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Check out some of the services we offer!


Repairs :

Central heating, no hot water, pumps, valves, zone valves, powerflushing, cylinders, immersion heaters and air locks. Overflowing water tanks, burst pipes, taps, radiators and pipes.

Leaks :

Basin, bath and sink, tank, cylinders, o/flows, taps, burst pipes, radiators and pipes.

Installations :

Central heating, boilers, Vented and UN-vented cylinders, stoarage tanks and radiators. Bath suites and sanitary ware.

All of our engineers are Corgi Registered and fully qualified. They wear uniforms and carry identification cards. They are smart and well presented.

We turn up when we say we will turn up.

During out-of-office hours the freephone number connects to our emergency callout line

Unvented Water Systems

Unvented Hot Water system
Unvented hot water systems are often specified by home makers who want a versatile output but need to save as much space as possible. An unvented hot water cylinder means there is no need for a cold water storage tank whilst still keeping all the benefits of a conventional system and more.

All you need is to site your gas central heating boiler in your property, position the unvented hot water cylinder (normally in the airing cupboard) and connect the two together and add your controls and an expansion vessel.

This means there are no tanks in the loft area, loft space is saved. An airing cupboard contains the hot water cylinder. The unvented hot water systems kit is quite expensive compared with a normal conventional system or a combination boiler.

You'll definitely need a well skilled installer for this installation which we can supply.

For more information on unvented hot water systems, a price quote or anything else we can help with, feel free to contact us.

Solar Water Systems

Solar thermal heating systemThe sun is the most abundant source of energy available on earth. Energy arriving at the earth's surface by way of solar radiation over a period of 40 minutes is the equivalent of the power used by the entire population of the earth in one year.

In fact, parts of the UK have annual solar radiation levels equal to 60% of those experienced at the equator. Some 70% of UK annual radiation is received over the period April to September and 25% in the months June and July.

A well designed system will typicaly provide 80% of a family's hot water reqirements during the summer months of April to September and make a useful contribution during the rest of the year.In a typical year the system will overall provide 30-70% of a family's annual domestic water heating needs.

Power Flushing

The Ultimate Central Heating Pain Killer

Power flushing system Please take your time to read the following information carefully, you may recognise some of the symptoms which your central heating system may already experience!

If your system has any of the following symptoms it is likely to benefit from a Power Flush:

  • Cold spots on radiators
  • Blocked radiators
  • Radiators frequently needing venting & bleeding
  • Boiler noise
  • Boiler failure or lockout
  • Noisy pump
  • Pump failure
  • Heating circulation problems
  • System is slow to heat up
  • Reduced heating output
  • Pinhole leaks from radiators
  • Blocked inoperative or leaking radiator valves

Carbon Monoxide

Potential carbon monoxide sources in the homeCarbon Monoxide in the environment can have a devastating effect on human health! For most of us it would be the most dangerous gas we might ever experience.It is often referred to as the "hidden gas" because it is very hard to detect!However,the effects of CO are quite dramatic and in high concentrations it will KILL within a few minutes!

When we breathe our lungs absorb oxygen.However,CO can be absorbed 300 times more readily into the blood stream than oxygen and when our haemoglobin,or red blood cells,become saturated with CO no oxygen can be absorbed!!!One of the functions of oxygen is to remove waste matter from our tissues, so without oxygen, your blood rapidly becomes poisoned!

The health and safety executive (HSE) has issued a warning about the dangers of carbon monoxide CO poisoning. As the cold weather approaches, it has urged homeowners and landlords to ensure that their gas appliances are safe to use. Every year approximately 30 people die from carbon monoxide CO poisoning caused by gas appliances and flues which have been either poorly installed or maintained. Many others also suffer from ill health as a result of CO poisoning.

Fuel gases are safe to use. It is only when they do not burn correctly, as with other types of fuels such as coal, wood or oil, excess CO is produced which is poisonous. You cannot see, smell or taste CO fumes, and this could leave anybody exposed. This could leave you feeling unwell and in the worst situations, CO can KILL without warning and within minutes.

The most vulnerable are the elderly and the youngsters !!!

Protect them with regularly servicing of your Gas Appliances !!!


Your choice of boiler depends on where it’s being installed. Different sized establishments all have different needs – and suit different boilers. Whenever we give you a quote we will alwaysrecommend the specific machine that is best suited to your individual requirements. Here, though, is an overall guide to the different types of boilers that are available:

Combination boilers:

Combination boilers, as the name suggests, combine most of the components of a conventional system i.e. boiler, cylinder, pump, control valves and thermostats. Together, these are housed in one unit (The Combi).

The technology involved with this type boiler has improved at a dramatic rate over the last five years. Where, not so long ago, a combi would only produce nine litres of hot water per minute at 35°. Nowadays they can produce up to eighteen litres a minute at 35°. This is why they now account for most new boilers found in the UK today. In general, combination boilers best suit flats and small houses.

Conventional boilers:

A conventional system (as opposed to a combi system) is one where a cold water storage tank, a hot water storage cylinder, a heat only boiler and separate controls are installed to provide primarily a greater volume of hot water. This type of system is more suitable for larger houses with two or more bathrooms where hot water demand at several taps is likely to be simultaneous. Conventional boilers best suit bigger houses.

Condensation systems:

From April 2005 everyone’s had to fit condensing boilers as part of the Kyoto agreement. This is good new for the environment since it has reduced carbon dioxide emissions by 15%. (Incidentally, all our fleet vans run on LPG – another environmentally friendly measure). Installers, such us here at Twinheat Ltd, follow official CORGI guidelines to decide whether a installing condensing boiler is suitable – there are still some exceptions (around 5%). Condensing boilers all produce steam(or pluming). It’s not harmful, but will cool into a liquid; around 0.5 to 1 litre an hour. You can dispose of this in a number of ways: via sink waste, soil pipes or an outside gulley. We will recommend which is best for you. We’ll also help you decide if, and where, the flue ought to be situated.

Gas Fires

Twinheat Ltd is a provider of traditional and modern fireplaces and accessories. Our knowledge and experience provides the security you need when considering a new fireplace.

We install a wide range of fires and fireplaces in a variety of materials including cast iron, wood, stone and marble, essentially to give you choice and ideas. Our extensive range is supplied from the UK's finest manufacturers.

Twinheat Ltd is always happy to offer a free consultation or advice on our product range and services. We take into consideration safety, measurements, fuel and the period of the property. Our evaluation will give you an overall assessment of the fireplace most suited to your needs and your budget.

©2011 Plumbers & Heating Engineers