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What are the benefits of installing an unvented cylinder?

84 Answers

Answered by BSL Plumbing & Heating

11th October 2019

BSL Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders free up valuable space in your property and tend to provide stronger water pressure than an open vented system. This is because unvented cylinders are directly supplied by the mains, but of course this depends on the strength of the mains in the first place. Unvented hot water cylinders are also perfect space-saving options for the modern home. An unvented hot water cylinder doesn’t require a feeder tank in the loft and frees up valuable space in your property. Unlike vented cylinders, the unvented cylinder doesn’t rely on gravity to function, so it can be installed almost anywhere in your home! This makes it easier to store in a place more suitable for you.

Answered by Henry’s Heating

8th October 2019

Henry’s Heating answered the question "What are the benefits of installing an unvented cylinder?"

The main benefits of installing an unvented hot water cylinder are; mains pressure hot water, no need for cold water storage tank in loft & allows for multiple hot water draw offs to be used at the same time. The downside is it’s not just a case of fit and forget. These units require annual servicing to ensure they are working safely & efficiently. They must be installed & maintained by a qualified person who holds a current G3 ticket.

Answered by M.S.M Plumbing & Heating

3rd October 2019

M.S.M Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are the best in hot water delivery atm, you will not get any better at this time. The downside is you need good water pressure and flow rate. otherwise they wont work. your mains supply in house should be a minimum of 22mm on most makes of cylinder. The other downside to these types of cylinders is they do require regular maintenance, you cant just shove them in an airing cuboard and leave them for 30 years. They should be serviced every year and air gaps and expansion vessels checked. They are the best you will get at this time.

Answered by JOHN DEAN PLUMBING

3rd October 2019

JOHN DEAN PLUMBING answered the question "What are the benefits of installing an unvented cylinder?"

One of the important benefits is flow rate and being able to use multiple outlets. Unvented cylinders operate at mains pressure which allow customers to get rid of shower pumps and also large water storage in the loft. Heat recovery is quick allowing more people to use the bathroom/shower in quick succession.

Answered by DC Heating & Plumbing

27th September 2019

DC Heating & Plumbing answered the question "What are the benefits of installing an unvented cylinder?"

the main benefits of installing an unvented hot water cylinder is it delivers hot water at mains pressure, it gets rid of the need of a big cold water storage tank in the loft space which in turn will free up more storage space. it can be realistically sited anywhere in the house as long as the discharge pipe can be run safely to outside. you get a much faster re heat time for the hot water which again adds to the efficiency and saves money. you will find that you can run multiple taps or outlets and will not notice that drop in pressure or flow like you would when using a combination boiler for example obviously there are cons and things to consider such as the cost of installation is higher and there are certain safety features to consider along with the need of a minimum cold main pressure and flow rate

Answered by S Banks Plumbing Heating & Eco Energies Ltd

10th September 2019

S Banks Plumbing Heating & Eco Energies Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Vaillant Unvented hot water cylinders are amazing for any household. Delivers hot water at supply rate to all outlets in the property and are very efficient at doing it. unvented cylinders are very energy efficient and supply great pressure. The Vaillant cylinders have a solar/VR10 pocket for increased efficiency. Stainless steel cylinder with high heat recovery rates. Linked with a Vaillant boiler outstanding.

Answered by TW Plumbing

4th September 2019

TW Plumbing answered the question "What are the benefits of installing an unvented cylinder?"

Unvented systems are capable of supply hot water at mains water pressure, a storage of hot water and an efficient way of providing hot water. Usually better suit to 3 bedroom or larger size houses. The unvented cylinder usually comes with a 10 plus year warranty, provide it is service yearly

Answered by S.A.Hughes Plumbing & Heating

3rd September 2019

S.A.Hughes Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

there are a few benefits of installing an invented cylinder including hot water at mains pressure which provides higher flow rates than combination boilers or vented systems and the absence of additional water storage tanks used for those used for more traditional vented systems

Answered by S Seddon Heating

31st August 2019

S Seddon Heating answered the question "What are the benefits of installing an unvented cylinder?"

“What are the benefits of installing an unvented cylinder?” The main benefit of an unvented cylinder is an increase in hot water flow rates to multiple outlets. They can be installed in any size property as long as there is enough space and the appropriate controls and pipe work can be fitted. The cylinder would have to be sized correct fo the demand as to give the best performance, they can normally be fitted in place of an old open vented cylinder with a few upgrades to the pipe size coming in. They can be added to existing systems and give much better flow rates than Combi boilers. Unvented cylinders can also be “direct” where they work on an immersion heater rather than a boiler so they are a flexible option for new builds or where fitting a gas boiler is limited. They must be installed by a qualified and competent tradesman as to ensure the safety controls are correct and to current standards. There is extra cost involved with fitting an unvented but these are definitely worth the benefits.

Answered by Millar plumbing and heating

23rd August 2019

Millar plumbing and heating answered the question "What are the benefits of installing an unvented cylinder?"

There are so many benefits to an invented hot water cylinder as they are mains pressure like a combi boiler but have a much greater hot water demand so it can serve more hot water outlets that are being run at the same time and doesn’t effect the pressure too much. Also if the gas boiler breaks down you can heat your hot water through the immersion so you’re never stuck with out hot water.

Answered by PLUMBSOLVE Glasgow Ltd

23rd August 2019

PLUMBSOLVE Glasgow Ltd answered the question "What are the benefits of installing an unvented cylinder?"

The benefits of fitting an unvented hot water system is that all hot water pressure go's up to mains pressure. You do not need a header tank in loft to feed it cold water, therefore you might be able to use more of the loft space. You can put the unvented water tank anywhere in the house. In larger houses with more bathrooms it can run more showers provided it is sized right It is a seal system which does not need to run with a heating system through the cylinder if no heating, can use just electricity or both

Answered by MB Gas & Heating Ltd

5th August 2019

MB Gas & Heating Ltd answered the question "What are the benefits of installing an unvented cylinder?"

We work in many student HMO’s and commercial buildings and large houses , in these types of properties we recommend that hot water / unvented cylinders are fitted as opposed to to a combi boiler due to the high water demand . Hot water cylinders can cope with a much higher water demand for several taps / showers / outlets being used simultaneously due to having stored hot water, the amount of stored hot water required will be calculated by the installer prior to installation.

Answered by Enflame Heating and Plumbing

5th August 2019

Enflame Heating and Plumbing answered the question "What are the benefits of installing an unvented cylinder?"

The main benefits of having a unvented hot water system is you can have stored hot water at mains hot water pressure to all hot water outlets. The old vented systems relies on gravity to supply your hot water to a storage tank which most of the time was pretty poor pressure for your hot water supply to your taps. Another advantage is the fact you don’t need tanks in the loft and you can fit an unvented cylinder anywhere as long as you have water supply, so you can great more space in the home as well as have a more efficient hot water system. Also most new unvented cylinders claim to only have a 1 degree drop in temperatures of the whole tank if not heated in 24 hours so basically your not heating up the same body of water over and over again as more commonly you did with old copper cylinders that were used on the gravity fed system as all the unvented tanks are insulated and stainless steel.

Answered by DA Bunning Gas Ltd

24th July 2019

DA Bunning Gas Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are a popular choice for many home owners due to their ability to provide hot water throughout the property at mains pressure. They are also perfect space saving option as they do not require a feeder tank in the loft. In small houses where the need to utilise storage space is a must, an unvented cylinder is certainly worth considering.

Answered by CED Contractors

23rd July 2019

CED Contractors answered the question "What are the benefits of installing an unvented cylinder?"

Unvented hot water cylinders have soared in popularity and can now be found in most homes across the UK. Connected directly to your mains water system, unvented cylinders ensure copious amounts of stored hot water is available on demand and they operate at mains pressure to offer much higher flow rates. This allows you to enjoy improved shower and bath performance all year round!

Answered by J W Heating and Plumbing Solutions Limited

17th July 2019

J W Heating and Plumbing Solutions Limited answered the question "What are the benefits of installing an unvented cylinder?"

• You can run several hot water taps at the same time – ideal for large families, shared houses, or anywhere where several people might want to enjoy a shower, bath or sink wash at once. • You’ll save space compared with a traditional system – you don’t need to have a loft for your tank, and if you do have a loft, you can use it for other things. Unvented hot water cylinders also tend to be less noisy than traditional systems. • It’s suitable for homes with and without a gas supply – if your home doesn’t have gas you can heat the water with an electric immersion heater instead. • Less chance for the water to get contaminated – it’s not sitting around in a tank for days or weeks on end. An unvented cylinder system is completely sealed. • You can put the unvented hot water cylinder almost anywhere you like – after all, you’re not relying on gravity to move the water around your home.

Answered by Heat-Station Ltd

15th July 2019

Heat-Station Ltd answered the question "What are the benefits of installing an unvented cylinder?"

An unvented cylinder is a hot water cylinder that operates under mains pressure, rather than gravity pressure via a cold water storage tank in your loft. Heat-station Ltd can carry out unvented cylinder installations to improve the hot water pressure throughout your home, save space by removing bulky tanks from your loft space, and also save energy and help to lower your bills, due to the high level of insulation and rapid heat up times that modern unvented cylinders benefit from. Unvented cylinders are available in a wide range of sizes and configurations, to make them suitable for a wide range of properties.

Answered by ADOGAS

11th July 2019

ADOGAS answered the question "What are the benefits of installing an unvented cylinder?"

Unvented hot water cylinders are pressurised and well insulated. As such the have a faster reheat time than a conventional cylinder and save money. They give hot water at mains pressure as long as the pressure is good enough for one to be installed and can supply multiple bathrooms with little pressure loss. Cylinders come in various sizes depending on hot water requirements for the property. Some come with twin coils that can be linked to solar panels or combined with conventional heating systems. As long as they are sized and fitted properly by a professionally qualified unvented installer. They will give you years of good service and save you money. Ensure your installer is properly qualified to fit these appliances.

Answered by O’Neill & co (south west) Ltd

11th July 2019

O’Neill & co (south west) Ltd answered the question "What are the benefits of installing an unvented cylinder?"

No need for tanks in loft space. Increased hot water pressure. Can heat water from boiler, or electric immersion heater. Many unvented hot water cylinders have twin coils, so solar or other heat sources can be used. Ideal for larger properties, with many different sizes available.

Answered by CH4 Group Ltd

10th July 2019

CH4 Group Ltd answered the question "What are the benefits of installing an unvented cylinder?"

When opting for an unvented cylinder you are able to run multiple hot water demands at once. This system is beneficial to a larger house with several high demand appliances (showers and baths). Going down the unvented route means you don’t have to have a storage tank in the loft as it using the cold main, meaning you have very good hot water pressure at all outlets.

Answered by D.A Gas, Heating & Plumbing

8th July 2019

D.A Gas, Heating & Plumbing answered the question "What are the benefits of installing an unvented cylinder?"

If you’ve got the correct water main flow and pressures then an invented cylinder is the way to go in a larger house with more than one bathroom. The benefits include, no need for a cold water storage tank in the loft saving space and having to have water in an unheated space. If sized correctly you can have multiple showers/outlets running at the same time.

Answered by Rekan Kingji

6th July 2019

Rekan Kingji answered the question "What are the benefits of installing an unvented cylinder?"

The advantages of installing unvented hot water: 1) It works from mains pressure which means does not require a cold water tank. 2) It takes less space 3) it’s more effective (saves you on electricity) 4) it improves water pressure 5) it won’t freeze 6) it reduces noise as there’s no cold supplying the water tank....

Answered by Louis Gas & Heating LTD

26th June 2019

Louis Gas & Heating LTD answered the question "What are the benefits of installing an unvented cylinder?"

The benefits of an unvented cylinder are high flow rates of hot water. Other benefits include multiple outlets used at the same time with very little pressure reduction and flow rate. Stored hot water and back up of hot water if the boiler stops working via the emersion heater so you will still have hot water if the boiler fails.

Answered by PG Plumbing

26th June 2019

PG Plumbing answered the question "What are the benefits of installing an unvented cylinder?"

The benefits of an unvented cylinder are you will have better flow rates of water delivered to each outlet . You will also have an equal balance of hot and cold . Invented cylinders are not for Everyone as they require a minimum mains cold pressure and flow rate for them to work to their capability . You can also lose the cold water storage tank as they are mains water fed . So can free up loft space

Answered by LTH Home Services

25th June 2019

LTH Home Services answered the question "What are the benefits of installing an unvented cylinder?"

Unvented Cylinder are usually fitted to larger homes, So that you have more flow rate on your hot water demand. This reducing the pressure drop compared to a combination boiler or very poor pressure when using the gravity system with tanks in the loft space. There are some safety requirements which need to be met when fitting this type of system and will also need to be serviced regularly

Answered by John Rutherford Plumbing & Heating Services

23rd June 2019

John Rutherford Plumbing & Heating Services answered the question "What are the benefits of installing an unvented cylinder?"

There are many benefits of installing an Un-vented hot water cylinder, if you need to keep the space in your loft there is no need for any tanks as this type of system uses expansion vessels instead which are installed close to the cylinder, if you have good mains water pressure then this will give you mains pressure at your taps & showers which is balanced & can runs multiple outlets at the same time, also the cylinder can be sited almost anywhere but consideration must be taken as to where you can terminate the discharge pipework to drain, all in all these are a very good system especially in larger properties with multiple bathrooms.

Answered by Pipeline Plumbing Services Ltd.

23rd June 2019

Pipeline Plumbing Services Ltd. answered the question "What are the benefits of installing an unvented cylinder?"

The main benefit of having an unvented cylinder is, that you have mains pressure going to all of your showers, taps etc. This eliminates the need for a cold water tank in the loft or the need for noisy shower pumps. More hygienic cold water to basins as it’s direct from the mains. Also, you can run multiple outlets, without the pressure fluctuating. These cylinders are made from stainless steel and commonly have a 25 year warranty on the cylinder itself.

Answered by RGB Building Services Ltd

23rd June 2019

RGB Building Services Ltd answered the question "What are the benefits of installing an unvented cylinder?"

The advantages of installing a unvented cylinder over a standard cylinder or a combination boiler . By using a unvented cylinder you have far more scope to be dale to run multiple outlets at the same time with an increased flow rate at the outlet. This is a far better option for premises that are likely to have larger demand at the same time.

Answered by GasCall - Plumbing & Heating

21st June 2019

GasCall - Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are generally installed in larger properties with multiple hot water outlets. Giving the homeowners a higher equalised pressure of water from both hot and cold outlets such as bath taps or shower. If the incoming cold water mains pressure is of adequate pressure, multiple outlets can be in use at the same time. No need for tanks in the loft as these are a sealed unit, and these can be sited in more places than a standard cylinder. Heating up times and heat recovery are greatly increased when correctly installed with a system boiler. If you are thinking of changing your existing ‘standard’ cylinder with tanks in loft - give consideration to updating your boiler and pipework ( if they have been in your home for 20 years plus ) .

Answered by Falcon Heating Ltd

21st June 2019

Falcon Heating Ltd answered the question "What are the benefits of installing an unvented cylinder?"

If you are having a traditional vented cylinder replaced with an Unvented cylinder then the most noticeable benefits for the homeowner would be higher pressure hot & cold water from all outlets and cleaner water due to the fact that the system is completely sealed. Unvented cylinders can save space too as they can be placed in lofts, garages or basements as they do not require a cold water storage tank to function.

Answered by Primary Flow

18th June 2019

Primary Flow answered the question "What are the benefits of installing an unvented cylinder?"

having an unvented cylinder gives you the benefits of hot storage water, which can be delivered to all hot water outlets under mains pressure. the cylinder can be located in any part of the house, as it does not rely on gravity. Also the boiler in the household is not under demand all of the time for hot water, especially in a large household, with more than 2 bathrooms or showers.

Answered by Home Heating UK

17th June 2019

Home Heating UK answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders give you a much better flow rate on your hot water and most come with a minimum 10 years warranty, some come with a life time warranty as long as cylinder is installed to manufactures installations You also do not need a expansion tank in the loft. Another benefit is balance cold water so your showers and mixer taps have equal pressure

Answered by Safe Heating Ltd

15th June 2019

Safe Heating Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented pressurised cylinders are great for the larger family home. They offer pressurised hot water to all your taps and showers with very little pressure loss if more than one shower/tap/bath is running at the same time. They can be installed into your system without the need of changing your boiler but depending on the age of the boiler it might pay to change them both at the same time.

Answered by S3 Heating and Plumbing

14th June 2019

S3 Heating and Plumbing answered the question "What are the benefits of installing an unvented cylinder?"

Invented cylinders work more efficiently under higher pressures and are perfect for larger properties with more than one bathrooms/showers. Also larger homes will benefit from this cylinder and works great with newer systems and existing systems. A good water mains pressure is beneficial and will give a higher level of hot water compared to a combi system.

Answered by Priory Plumbing and Heating

13th June 2019

Priory Plumbing and Heating answered the question "What are the benefits of installing an unvented cylinder?"

Priory plumbing and heating Macclesfield Cheshire The main advantage and this is huge you get , as long as you have good mains water pressure , hot water at every outlet under mains pressure also more than one shower may be used at similar time unlike a COMBI boiler Location of this cylinder is also a bonus it can go almost anywhere in the house as long as it’s protected from the elements so garag If you you require further information please don’t hesitate to callcont

Answered by A W Heating Specialist Ltd

12th June 2019

A W Heating Specialist Ltd answered the question "What are the benefits of installing an unvented cylinder?"

These are ideal way to provide high pressure hot water to all outlets in your home.They provide the most effective way of high pressure showers without the noise of a pump. With a simple design and long Guarantee we recommend these on many occasions. You also benefit from potable water to all your cold taps They come in a variety of sizes to suit most properties. Caution please check your pressure & flow rates and take advice from a qualified installer before deciding on this type of installation.

Answered by Ultimate heating services ltd

11th June 2019

Ultimate heating services ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented got water cylinders are a great upgrade to the traditional set up everyone knows (open vent). As you know this is gravity feed system that served its purpose, but now with invented we can now deliver hot water to all outlets in the home under pressure. This is how you achieve those fantastic power showed you always wanted and at the same time it lowers your energy bills as they are very well insulated the heat loss is far less. And as many may know heating something under pressure also uses less energy to get reach temp.

Answered by R Freeman Enterprises Ltd

11th June 2019

R Freeman Enterprises Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Removed need for extra tanks Give a good supply of mains pressure hot water Ideal for larger house More efficient than older style cylinders Has as immersion heater Frees up valuable space Reduces noise due to no tank filling up after running hot water Easier and cheaper to install

Answered by Wakefield Boiler Services

10th June 2019

Wakefield Boiler Services answered the question "What are the benefits of installing an unvented cylinder?"

Benefits of a mains pressured unvented cylinder , lovely lashings of hot water . Equalised pressure both hot and cold . Space wise they can be as big if not bigger than a normal conventional hot water cylinder . Heat up and efficiency wise they are better than the old ones . Small properties would not suite this system but the larger properties with 2 or more bathrooms would benefit from this massively .

Answered by A.L Plumbing&Heating

8th June 2019

A.L Plumbing&Heating answered the question "What are the benefits of installing an unvented cylinder?"

removes the need for cold water storage cistern in loft. Gives good hot water supply to all taps at mains water pressure. perfect for showers and the larger property where hot water demand is high as will maintain water flow when multiple outlets are being used. Give me a call if you need any advise on size of cylinder and and location of your cylinder always happy to give a quote for a full install .

Answered by Balos Superior Quality Heating

8th June 2019

Balos Superior Quality Heating answered the question "What are the benefits of installing an unvented cylinder?"

We at Balos S Q Heating think they are many benefits of installing unvented cylinder first of them will be saving valuable space by getting rid of water storage tank apart from saving space you getting rid of possible water contamination servicing of a Ball tap and leeks benefits of installing an unvented cylinder constant water pressure less noise good amount of water in every tap

Answered by Madison Heating

4th June 2019

Madison Heating answered the question "What are the benefits of installing an unvented cylinder?"

There's are always advantages and disadvantages with every new purchase. Here you'll find some of the advantages. You will need to look at your individual situation and decide whether and unvented cylinder is the right choice for you. •Have you got a large family that will need plenty of hot water from two or three different hot water outlets at once. If you, answer yes to this, you need an unvented cylinder. •Could you do with more space in the hot press an extra cupboard to store bed linen towels and even winter or summer clothes. If you answered yes to this you need an unvented cylinder. •Are you fed up of hearing the cold water gushing into the cold water storage tank, every time a hot tap is opened. If you answered yes to this an unvented cylinder could be the right choice for you. • Do you have to wait ages for the bath to fill or to fill the kitchen sink with hot water trickling from the tap ,provided there is the right pressure and flow rate from the mains water coming into your house then an unvented cylinder could be perfect for you. •Do you need to move the cylinder in your property but can't find a good place to site the cylinder because of the cold water storage tank having to be above the above the cylinder. Then an unvented cylinder is the right choice for you, as it doesn't need a cold water storage tank above it. •Using an unvented cylinder is a completely sealed system meaning your water cannot be contaminated by sitting in an old dirty tank in the loft. . Say goodbye to freezing tanks in the loft you won't need a tank in the loft with your new unvented cylinder. . Another great advantage is the installation cost with an unvented cylinder it is much cheaper and easier to install. Let be honest here, i believe that you'd be mad not to fit an unvented cylinder. It the way forward for large properties,family,s and business premises. Turn that frown upside down and fit an unvented cylinder. You'd be mad not to!

Answered by Gas Worx Southampton ltd

3rd June 2019

Gas Worx Southampton ltd answered the question "What are the benefits of installing an unvented cylinder?"

You have mains balanced hot and cold supplies throughout the property. No need for shower pumps, always have hot water on demand at a good flow rate. You can also save energy using solar with you cylinder or heat pump to achieve better savings over the month. No need for loft tanks, can almost be installed anywhere.

Answered by 3T Gas maintenance Ltd

1st June 2019

3T Gas maintenance Ltd answered the question "What are the benefits of installing an unvented cylinder?"

It is a modern may of heating and distributing balanced hot water to all outlets in the property at the same time , at a high flow rate , its is a efficient t way to heat hot water with high heat recovery times and modern cylinders have very little heat loss which in turn will reduce your energy usage

Answered by G & A Plumbing and Gas Ltd

1st June 2019

G & A Plumbing and Gas Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented hot water cylinders give you mains pressure to your hot water it’s ideal if you like a powerful shower they are suitable for multiple showers running at same time I recommend you ask an engineer who has unvented hot water certificate to give advise on your hot water needs

Answered by Les Heywood & Son Ltd

31st May 2019

Les Heywood & Son Ltd answered the question "What are the benefits of installing an unvented cylinder?"

An Increased balanced supply pressure over gravity systems. A flow and pressure supply which will supply all modern taps and appliances and fill the appliances in a fast efficient manner. A system that will supply hot water using renewable energy. A back up source to heat the water if your main source fails. etc.etc. etc the list goes on.

Answered by Q M HEATING

30th May 2019

Q M HEATING answered the question "What are the benefits of installing an unvented cylinder?"

you get 3bar hot water pressure all hot water system showe to Tap. Unvented cylinders free up valuable space in your property and tend to provide stronger waterpressure than an open vented system. ... Other advantages of installing an unvented system include reduced noise in the system. This is due to the fact that there is no cold water filling up thewater storage cistern.

Answered by MD Plumbing and Heating

30th May 2019

MD Plumbing and Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are amazing if you like powerful showers as they use your incoming mains pressure to give it its power, without the need for having tanks in your loft which feed shower pumps to give you the pressure, this can take up valuable storage space and also the pumps can be noisy and cause an annoyance. They are also good for larger properties with more than one bathroom as they allow for multiple water draw offs to be used simultaneously without a noticeable drop in flow or pressure. Please bear in mind though, to achieve this the incoming mains needs to be of sufficient pressure and both the pipework coming into your house from the street and the pipework feeding the cylinder and your taps etc, needs to be a big enough diameter to cope with the larger flow rates. In short, if the pressure is too low, or the pipework is too small, your not going to achieve the desired flow rates and you won’t get the full benefit from the unvented cylinder. Always get a plumber who is qualified in G3 unvented hot water to quote you as he will have the knowledge to best advise you if an unvented cylinder is the right option for your property.

Answered by BoilerOne

29th May 2019

BoilerOne answered the question "What are the benefits of installing an unvented cylinder?"

The benefits of installing an unvented cylinder are high flow rates on hot water and at mains pressure, the design for more than 1 shower to run simultaneously without loosing temperature or pressure. It is important that the pressure and flow are checked prior to installing an unvented cylinder. BoilerOne recommend you consult a heating engineer with an unvented qualification to install your cylinder.

Answered by D Cowan Domestic Plumbing and Heating Services Ltd

27th May 2019

D Cowan Domestic Plumbing and Heating Services Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders offer mains pressure hot and cold water to all outlets. They are particularly good where multiple showers are required. The installation of an unvented system does require thorough pre-installation survey to ensure the incoming pressure and flow rate are sufficient and also that there is sufficient space available.

Answered by B N Services

26th May 2019

B N Services answered the question "What are the benefits of installing an unvented cylinder?"

If you have multiple bathrooms, a VERY good cold water supply rate, a big enough cylinder with a high recovery coil, and a boiler sized to heat the water back up fast enough they are brilliant. But lots of people are sold them without fully understanding options. Then are disappointed when it's not that good because their cold water isn't up to the job. Then they need space for an accumulator. And the cost. Especially when they had a good tank fed system before, with shower pumps. I've been involved in sorting out the misguided installations a couple of times. For some people a large (say 35 to 40kw) combi would be a better option as the ensuite has a electric shower.

Answered by Tom Sutton Heating

26th May 2019

Tom Sutton Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented hot water cylinders are usually ideal for those homes that have a larger hot water requirements. Usually homes with 2 or more bathrooms. Provided that you have good mains water pressure, they are second to none at producing hot water at high pressure with considerable flow. Don’t worry if you don’t have great water pressure, there a things that can be done to boost the pressure to the cylinder in these cases.

Answered by Pavlou Plumbers

24th May 2019

Pavlou Plumbers answered the question "What are the benefits of installing an unvented cylinder?"

As long as the property has the suitable water flow rate having an unvented hot water cylinder is more efficient and better performing than having a combi boiler. The cylinder will require servicing though as it has a number of safety devices that needs checking. Otherwise you'll waste water

Answered by Total Plumbing

21st May 2019

Total Plumbing answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders free up valuable space in your property in regards to the fact you lose your Cold water storage tank and your small Feed and expansion tank, usually housed in your loft. The idea being they provide high pressure balanced hot and cold water to all outlets compared to an old open vented system. This is because unvented cylinders are directly supplied by the mains, but of course this depends on the strength of the mains in the first place. Id recommend an unvented cylinder in a property with 2 or more bathrooms for the simple reason no one wants to have there shower pressure reduced midway through as someone downstairs has decided to wash up The unvented system is completely sealed too, so the water is not at risk of contamination and you don’t have to worry about the water tank freezing throughout winter. A great option for many properties

Answered by Youle & son's mechanical services ltd

21st May 2019

Youle & son's mechanical services ltd answered the question "What are the benefits of installing an unvented cylinder?"

If you have a large property with plenty of room with lots of hot water usage. Or bad pressure. an unvented cylinder would be efficient and pretty cheap to run. Things you would need to look into is storage capacity and locations. You can also link them to your solar panels as a sort of pre-heat. Alot of avenues to explore. I generally opt for these for larger properties with 2 bathrooms or more.

Answered by Eco Heating Services

21st May 2019

Eco Heating Services answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders free up valuable space in your property and tend to provide stronger water pressure than an open vented system. This is because unvented cylinders are directly supplied by the mains, but of course this depends on the strength of the mains in the first place. Unvented hot water cylinders are also perfect space-saving options for the modern home. An unvented hot water cylinder doesn’t require a feeder tank in the loft and frees up valuable space in your property. Unlike vented cylinders, the unvented cylinder doesn’t rely on gravity to function, so it can be installed almost anywhere in your home! This makes it easier to store in a place more suitable for you. Other advantages of installing an unvented system include reduced noise in the system. This is due to the fact that there is no cold water filling up the water storage cistern. The unvented system is completely sealed too, so the water is not at risk of contamination and you don’t have to worry about the water tank freezing throughout winter

Answered by Taylor plumbing and heating services ltd

20th May 2019

Taylor plumbing and heating services ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders can provide greater performance to showers and large properties, in domestic homes some considerations must always be taken the strength of the mains. Ie pressure and flow rate, also what showers are to be used or are currently in place. Another solution in large properties or flats is to use a potable water break tank supported with a booster set . To achieve constant flow to all the outlets. If you would like further advice contact me

Answered by Legion Plumbing & Heating

11th May 2019

Legion Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are generally installed in properties with multiple bath/shower rooms. They provide a large amount of stored hot water with excellent pressure and flow rates (as long as the incoming water main is sufficient). When piped correctly they can provide balanced water pressure (equal pressure between hot and cold) which allows mixer showers to work at their optimum and generally provides a better plumbing system all round. They also contain an electric immersion heater which is handy as a back up should your gas boiler break down. As they are fed directly from the incoming water main there is no need for a cold water storage tank in your attic which also frees up space.

Answered by Greenwich Plumbing Company

8th May 2019

Greenwich Plumbing Company answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders can provide hot water to 2 or more bathrooms simultaneously if you have the right incoming cold mains pressure and flow rate where most combi boilers would struggle to supply even two bathrooms . There is no need for a cold water storage tank to supply an unvented cylinder so you gain this loft space if you had a vented cylinder ( gravity system) before. They are easy to install and maintain .

Answered by Apex Property Services

27th April 2019

Apex Property Services answered the question "What are the benefits of installing an unvented cylinder?"

Having an unvented cylinder frees up space in the loft from the cold water storage cistern. Also gives a much better equal pressure than the vented cylinders. They come in many different sizes, sized for its certain needs. They can be heated via immersion heaters (direct) or via a boiler, solar (indirect)

Answered by D.H plumbing

26th April 2019

D.H plumbing answered the question "What are the benefits of installing an unvented cylinder?"

Save space get your loft back, better flow rates at all outlets plus a balanced pressure on hot and cold. Easy to maintain/ service. 1 2 or 3 bathrooms no problem it just needs the right cylinder and the right installer to do all the pre checks. They do still take up space in the airing cupboard but you get your loft space back.

Answered by Brompton Plumbing & Heating

26th April 2019

Brompton Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

Mains pressure hot water/no storage tanks in loft (assuming CH is pressured and not gravity)/more efficient hot water. Thermal Stores can also be a good alternative to Gravity systems and can avoid some of the installation issues related to unvented. As mentioned elsewhere Unvented system can be very dangerous if installed incorrectly and not maintained so must be installed by a qualified engineer.

Answered by A Armstrong Plumbing & Heating

26th April 2019

A Armstrong Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented hot water cylinders have many benefits, the main one is high flow rates at taps and showers without the need for any pumps. This means no noisy shower pump, and no costly replacement if the pump breaks down. Also, because the system runs off the mains supply you no longer need a cold water storage tank in the loft. Unvented cylinders are highly efficient due to their excellent insulation, meaning quicker heat recovery times.

Answered by T Brown Heating Solutions Ltd

23rd April 2019

T Brown Heating Solutions Ltd answered the question "What are the benefits of installing an unvented cylinder?"

There is many benefits of installing a unvented Hot water cylinder. The main attraction is effectively getting a higher pressure hot water system with out the need of noisy pumps. You also do away with the cold water storage cistern in the loft. Other benefits include low heat loss due the excellent insulation, quick recovery times due to the new design of heating coil inside the cylinder and most come with a long warranty against defects.

Answered by Plumbsafe Plumbing and Heating Ltd

17th April 2019

Plumbsafe Plumbing and Heating Ltd answered the question "What are the benefits of installing an unvented cylinder?"

There are a number of benefits from a unvented cylinder the main ones are as follows ....... Fast bath fills and also powerful showers, if there is the likely hood of two baths or two showers going at once it will keep up with the demand as long as its been sized up properly. If you suffer from poor flow rates a combi wont be a suitable option, unvented cylinders are basically a store of pressurized water so you will have better flow rates throughout your property. If you have a big property with 3 or more bathrooms or more than 1 bath this system is a must due to your high hot water demands As there is a store of hot water. These cylinders are very economical and will keep your water warm for a very long time with out the demand form the boiler. For instance we have one fitted in a flat we own as a rental, once the hot water is up to temp you can leave it for days and it will only drop a few degrees if the hot water has not been used. But please remember you have to use a fully qualified installer although these cylinders have a number of safety devices and installed properly they are very good. Put in incorrectly and your basically sitting on a bomb that will blow half your house apart. They need to be registered with building control and safety inspection every 12 months is a must to ensure correct operation.

Answered by iGas Heating Ltd

31st March 2019

iGas Heating Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented Cylinders are the best system for houses that require hot water for more than one bathroom. However you can’t just install a cylinder and hope it’ll work. It is best to enlist the help of a G3 Qualified plumber to test your incoming mains flow rate and pressure to ensure that you have sufficient incoming mains to cope with the demand of more than one bathroom. Unvented cylinders are excellent for hot water performance and as long as your incoming cold water supply is sufficient you can have multiple outlets running simultaneously without a noticeable drop in performance . It is worth noting that when installed incorrectly an unvented cylinder is as dangerous as gas, as can cause explosions if installed incorrectly

Answered by A.D. Energy

29th March 2019

A.D. Energy answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are very popular and almost nearly installed in all large enough new build homes. They store a lot of hot water and can produce high flow rates with good pressure of installed correctly. They also need regular servicing and maintenance to ensure they operate correctly.

Answered by S & L Plumbers

29th March 2019

S & L Plumbers answered the question "What are the benefits of installing an unvented cylinder?"

Unvented hot water cylinders have soared in popularity and can now be found in most homes across the UK. Connected directly to your mains water system, unvented cylinders ensure copious amounts of stored hot water is available on demand and they operate at mains pressure to offer much higher flow rates. This allows you to enjoy improved shower and bath performance all year round!

Answered by Franklin Plumbing & Heating

26th March 2019

Franklin Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

There are many benefits of installing an unvented cylinder, mains pressure hot water for powerful showers and fast bath fill, cylinder can be located anywhere, (close to bathrooms is better), no more pipes in the loft to worry about freezing, lower risk of legionnella due to lack of tanks in the loft and much reduced risk of contamination, more efficient due to better insulation and faster heat up times. Can provide hot water to multiple bathrooms where a combi boiler can't, subject to adequate incoming mains pressure & flow. Long warranties on cylinders.

Answered by BPH - Blakemore Plumbing And Heating

25th March 2019

BPH - Blakemore Plumbing And Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented systems do have certain advantages, not least because they are an efficient way of storing and distributing hot water throughout your home at mains pressure. Other advantages include: Fast filling baths, Hot water at mains pressure, No restrictions on where in a property the system is installed, No need for cold water storage, Utilises existing pipework, Drinking water at all taps, If your property has more than one bathroom or shower then unvented systems are ideal to meet demand for simultaneous hot water from more than one outlet, with flow rates reaching more than 22 litres per minute.

Answered by Raistrick gas

24th March 2019

Raistrick gas answered the question "What are the benefits of installing an unvented cylinder?"

The benefits of a unvented hot water system out weight a gravity system greatly the main one is getting hot water at the same pressure as your cold mains, saving space in the loft as the expansion tanks are no longer job, installation of an unvented system is a specialist job so make sure you use a local qualified installer

Answered by Boilers 4 Britain ltd

24th March 2019

Boilers 4 Britain ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders free up valuable space in your property and tend to provide stronger water pressure than an open vented system. ... Other advantages of installing an unvented system include reduced noise in the system. This is due to the fact that there is no cold water filling up the water storage cistern.

Answered by Gas-Tec

19th March 2019

Gas-Tec answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders have a many advantages, primarily they deliver hot water at near to mains pressure giving good shower performance even if 2 or more taps are used. Secondly there are no loft tanks required freeing up space and reducing the risk of leak. Finally as they are seal from the air there is are reduction in the risk of legionella and other harmful bacteria build up. There are strict regulations in place regard the installation of this type of cylinder which must be followed to ensure correct and safe performance, these are cover by building regulations G3 and the person installing the unit must have the correct qualification.

Answered by J W Plumbing and Building services LTD

9th March 2019

J W Plumbing and Building services LTD answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders have there main advantage when a property has multiple bathrooms requiring hot water at the same time. They vary in size dependant on the requirements of the property. The mains incoming water via a pressure reducing valve will give updated pressure from a gravity fed cylinder. We can give better advice when the requirements of each individual property / customer of this is the best system you require

Answered by LP Plumbing & Heating Ltd

5th March 2019

LP Plumbing & Heating Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are great if you have multiple bathrooms and a large heating system. There are minimum requirements needed to make sure the system works correctly however or it really is a pointless exercise (there are ways of improving your pressure in some cases) . An indirect unvented cylinder needs 3 bar incoming water mains pressure and around 20 litres per minute flow rate, this will ensure the hot and cold outlets are delivered at the same pressure regardless of how many outlets are bring used. Without this minimum requirement being met other outlets can suffer when others are being used ie reduced flow rate. Another thing to consider is the space they take up, all that aside if your property meets the requirements and you have multiple bathrooms then an unvented cylinder is definitely a good option. Ensure that your installer is G3 qualified as installed incorrectly in can be a dangerous system and that they have a plan in place for the design of your system. One last note, as its a pressurised system if you are converting from a gravity system some taps or showers can be affected with the increased change in pressure for example they may start to drip, if this happens they will need changing.

Answered by Fortune And Co

1st March 2019

Fortune And Co answered the question "What are the benefits of installing an unvented cylinder?"

The advantages of the unvented system are that it supplies hot water at mains pressure and because it does not require a cold water storage tank it can be sited in any location within the house. However it can be trickier and more expensive to install and doesn't always work well with some power showers and mixers.

Answered by MJS Plumbing, Heating and Maintenance

1st March 2019

MJS Plumbing, Heating and Maintenance answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are becoming the norm as they provide you with hot water at mains pressure. You will get a better shower without the need of a seperate pump, baths will fill quicker. Both your hot and cold will have balanced pressures, giving you access to high quality fittings. The tank in your loft will no longer be needed therefore less risk of frozn pipes in your loft space.

Answered by Precision Plumbing & Heating

1st March 2019

Precision Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are increasingly the chosen option in homes and larger buildings. There are a lot of good reasons to go with an unvented cylinder. They use water directly from the mains, so need for a tank in the attic. This isn’t just good for saving space – it can also take away the possibility of freezing issues in winter. Because they use mains pressure, they can provide a much more even flow for baths and showers. Once installed, unvented cylinders can give you real savings in terms of energy efficiency

Answered by Alltime Plumbing & Heating

28th February 2019

Alltime Plumbing & Heating answered the question "What are the benefits of installing an unvented cylinder?"

the benefits are that you are getting mains pressure hot water(around 3 bar) with a thermostatic shower this makes a massive difference . they also need to be fitted by competent installers because if fitted incorrectly can have devastating consequences…………………………………………………………………..

Answered by Careys Plumbing & Gas Ltd

18th February 2019

Careys Plumbing & Gas Ltd answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are great for larger properties with multiple bathrooms, en-suite’s as large amounts of hot water can be drawn off at any one time. There is also the advantage of installing a secondary hot water circuit for instant hot water at all outlets. The high flow rate makes them ideal for thermostatic showers with large drencher shower heads.

Answered by PipeDream Plumbing

11th February 2019

PipeDream Plumbing answered the question "What are the benefits of installing an unvented cylinder?"

The main advantage to an unvented install is it gives the hot and cold pressure equal at every outlet in your property with little fluctuation, unvented systems are perfect for multi bathroom properties. Unvented systems doesn't require a header tank in the loft like a conventional hot water system, which frees up valuable space in your home. They can also be installed almost anywhere in your property, this makes it easier to store in a place more convenient to you. There is also the advantage of reduced noise and unvented systems are sealed so there is not a risk of contamination.

Answered by JSM Plumbing and Heating services

10th February 2019

JSM Plumbing and Heating services answered the question "What are the benefits of installing an unvented cylinder?"

Unvented cylinders are great bits of kit, they free up space as they can be installed almost anywhere due to them being mains feed and and won’t suffer from poor flow rates or low pressure as long as the incoming main is suitable, I also find customers tell me they like the reduction in noise compared to filling up storage tanks while using the hot water and a more efficient system.

Answered by Surrey Plumbing Solutions Ltd

9th February 2019

Surrey Plumbing Solutions Ltd answered the question "What are the benefits of installing an unvented cylinder?"

A real advantage of an unvented cylinder is that it enables the hot and cold to be of equal pressure, which is beneficial for any thing that uses mixed water, i.e. Shower valves and mixer taps. Also it removes the need to have tanks and stored water in lofts etc. There are no restraints on where cylinders are located as they come off the water main and don't require gravity to assist.

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