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What Is Central Heating?

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Central heating – this is the most common form of heating in the UK! A boiler heats up water that is pumped through pipes to radiators throughout the house as well as providing hot water to the kitchen and bathroom taps.

Most boilers run on mains gas, but in areas where mains gas is not available, the boiler can run on oil. Mains gas is usually the cheapest, and it has the lowest carbon dioxide emissions. Some boilers also have an electric immersion heater as a back-up.

central heating

If you have a central heating system, you may consider these energy-saving improvements:

  • Let Kensign Engineering Ltd replace your boiler with a newer, more efficient model.
  • Fit better controls and use them to make sure your boiler only provides heat where and when you want it.
  • Switch to a cheaper energy tariff
  • Make any insulation and draught-proofing improvements that you can.
  • Use chemical inhibitors to help maintain central heating system efficiency

For more information on central heating systems please contact us today!


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radiator installation

Radiator Installation

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At Kensign Engineering Ltd we have the expertise to deal with all your radiator installation requirements.  Including one-off replacements and radiator valve repairs.

Our fully qualified heating engineers also have the know-how to install a brand new radiator or towel rail and all the necessary pipework into a room or wall space which currently doesn’t have one.  Kensign Engineering Ltd can also offer advice and recommendations regarding the best way to control your new radiator installation using Thermostatic Radiator Valves (TRVs), which can help you to optimise your central heating’s performance and save you money on your fuel bills in the long term.

We offer an impressive range of radiators from top brands such as Stelrad, who are recognised for providing the finest and most efficient range of radiators in the UK.  So whether you need to add something to your existing central heating system or are simply looking for replacement radiators, Kensign Engineering Ltd are here to assist with a radiator installation which is second to none.


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remove air lock

How to remove air locks

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A tap which fails to supply water when opened may well be airlocked – in order to remove air lock from the system please follow the following advice.

Remove air lock

To overcome this, attach a length of hosepipe to the affected tap and connect the other end to a working direct feed tap – in the majority of cases this will be the kitchen sink cold tap. Open both taps to allow the pressure of the mains water to force the air back out of the pipes. Once this is done, leave to act for several minutes, then turn off the air locked tap first. It may be necessary to repeat this a few times to release the lock and allow water to run properly. When finished, undo the hose from the higher of the two taps, before releasing the lower and allowing the water in the hose to drain into the sink.

Air lock at more than one tap

If more than one tap appears to be airlocked, clear it from the lowest one. With cold water pipes from the attic cistern, it may also be possible to blow out the airlock if the above method fails. Push a length of hose into the outlet pipe within the tank. Open the tap at the other end. Blow through the pipe to dislodge the lock.

Draining down to remove an air lock

As a final resort method, drain the system down. Turn off the water feed and open all the taps to drain the water.Close all taps until they are about a three quarters closed. Turn the water supply back on. Adjust them all until a light, even flow of water is achieved. Now go round opening them one by one to the half-open position, starting with the lowest and working upwards. Repeat at the three quarters open position. Once all air has been discharged, turn all taps off to a point where there is only a minimal flow.

Finally, close them all before checking the operation of each tap in turn.


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Choosing the right boiler

Choosing the right boiler for your needs

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When choosing the right boiler there are several things to consider. The size of your boiler, the type, construction and energy efficiency will all have an impact on your home and your energy bills. Take some time to consider your options and think carefully about which boiler to choose. 

Conventional boilers

Conventional boilers use a storage tank to supply hot water. The water is heated via cast iron heat exchangers and combination boilers can supply gallons of hot water at one time. Once the stored hot water runs out, there may be a delay in supply as the tank refills.

Conventional boilers tend to require more space than combination boilers as the hot water cylinder requires connection with a cold water storage tank that will typically be placed in the loft. This also means that installation is often more complicated than with a combination boiler.

Older models of conventional boilers tended to be less energy efficient, but advances have been made and newer models can be adjusted to match the specific heating requirements of your home.

British Gas offer a range of conventional boilers including compact systems that can easily be fitted into most modern kitchens.

Combination boilers

Combination boilers, or  combi boilers, supply water directly from the mains without the need for a storage tank. As a result, combination boilers supply hot water on demand in unlimited supply.

Combination boilers are ideal for smaller properties where space is at a premium.

Combi boilers also provide water at mains pressure, meaning you can enjoy a strong, hot shower without the need for an additional shower pump.

Combination boilers from British Gas include condensing technology and an ECO mode, both of which improve your control over water heating by maintaining boiler temperature whilst in standby mode.

If you would like further advice on choosing the right boiler please contact us for further information

 


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Understanding the different types of Boilers

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This article focuses on the different types of boiler available for your home depending on your specific needs.

Combination Boilers

A combination or ‘combi’ boiler is both a high efficiency water heater and a central heating boiler in a single compact unit. Combi boilers heat water directly from the mains when you turn on a tap, so you won’t need a hot water storage cylinder or a cold water storage tank in the roof space.

They are also very cost-effective and energy-efficient as water is heated instantly rather than being heated and then stored in a cylinder. An added benefit is that hot water is delivered at mains pressure, which means that you could get a powerful shower without the need for a separate pump.

  • Compact sizes make combi boilers perfect for smaller properties
  • Ideal where there is little or no loft space
  • No need for a hot water cylinder allows increased living space
  • No cold water storage tank frees up a loft for conversion
  • No risk of loft pipework freezing
  • Less pipework in the home makes installation typically cheaper
  • Combination Boilers

System Boilers

System boilers require a cylinder for storing hot water, however the major heating and hot water system components are built into the boiler itself, making it quicker and easier to install. In addition, there is no need for a tank in the loft, so it can be an option in a home with little or no loft space or where the space is earmarked for a conversion.

These boilers are also compatible with solar water heating systems, which deliver environmental benefits as well as lower energy bills.

  • Ideal for homes with more than one bathroom
  • Constant supply of hot water to any number of taps at the same time
  • No need for a loft tank, freeing up space and eliminating worries about leaks or frost damage
  • Economical to run
  • Built-in components makes installation quicker and neater

Regular Boilers

Regular boilers (sometimes known as traditional, conventional or heat only boilers) are ideally suited to homes that already have a traditional heating and hot water system which is linked to a separate hot water cylinder. These boilers also need a cold water storage tank in the loft to feed the hot water cylinder as well as a tank that maintains the water level of the central heating system.

A regular boiler may be the best option for replacing an existing boiler if the property has an older radiator system, as it might not be able to cope with the higher water pressure that is delivered by system or combi boilers.

  • Perfect for homes where a lot of hot water is used at the same time
  • Ideal where there are two or more bathrooms
  • A good option in areas where water pressure is low
  • Compatible with solar water heating systems for a lower carbon footprint and lower energy costs

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How to Save Energy and Money on your Central Heating

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Simply turning the central heating down by a degree or two can make a significant difference to your energy consumption but here are some simple tips to save energy on your central heating:

  • Use your central heating timer (not the thermostat) to turn heating on and off.
  • Keep your radiators clear. For example, don’t put a sofa in front of your radiator, because it will absorb a lot of the heat.
  • If your radiators are fixed to the outside wall, put radiator panels behind them to reflect the heat back into the room.
  • Use thermal curtains (or just heavy ones) during the winter, and close them at dusk so heat doesn’t escape through the windows.
  • For properties with high ceilings, placing a shelf just above the radiator helps to deflect the heat into the centre of the room rather than it drifting straight up to the ceiling.
  • Get a draught excluder – you could save up to £35 a year when you get rid of all the draughts in your house. [2]
  • Install insulation. Cavity wall insulation could save you around £160 a year and loft installation could save around £140.
  •  Fit double glazing so heat doesn’t escape through your windows.