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Air source heat pump

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5 replies to this topic

#1 triumph2



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Posted 06 December 2012 - 02:52 PM

Thinking to fit an air source heat pump to a new house, any one with advice on running costs?, do you need a back up heat source for cold weather? Any advice welcome!

#2 Bonobo35



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Posted 23 December 2012 - 04:12 PM

An air source heat pump extracts heat from the outside air in the same way that a fridge extracts heat from its inside. It can get heat from the air even when the temperature is as low as -15° C.

Since air source heat pumps work best when producing heat at a lower temperature than traditional boilers, it's essential that your home is insulated and draught-proofed well for the heating system to be effective.

Running costs will vary depending on a number of factors - including the size of your home, and how well insulated it is, and what room temperatures you are aiming to achieve.

You may be able to receive payments for the heat you generate using a heat pump through the government’s Renewable Heat Incentive (RHI). This scheme should be launched in Summer 2013.


Heat pump systems typically come with a 10 year warranty. You can expect them to operate for 20 years or more, however they do require regular scheduled maintenance. A yearly check by you and a more detailed check by a professional installer every 3-5 years should be sufficient. The installer should leave written details of any maintenance checks you should undertake to ensure everything is working properly. Consult with your supplier for exact maintenance requirements before you commit to installing a heat pump.

One of the yearly checks that you are likely to be advised to carry out is to check that the air inlet grill and evaporator are free of leaves or other debris. Any plants that have started to grow near the heat pump unit will also need to be removed. You may also be advised by your installer to check the central heating pressure gauge in your house from time to time. If so, you should be shown how to do this.

To prevent the heat pump from freezing in cold winter weather anti-freeze is used. Levels of anti-freeze and its concentration is one of the things that a professional installer will check when he comes to service your heat pump.

If your heat pump has external refrigeration pipes (very unusual for a domestic system) these will need to be serviced annually by a refrigeration engineer.

#3 Rasmie



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Posted 23 December 2012 - 04:24 PM

who locally can give advice and carry out installation?

#4 MuckleJoannie



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Posted 23 December 2012 - 10:20 PM

There are few local suppliers here


#5 Middlin



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Posted 04 December 2017 - 08:58 PM

Anyone recommend someone local to supply and install an air to water heat pump.

Any info would be appreciated.

#6 crofterlady



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Posted 05 December 2017 - 08:55 AM

who locally can give advice and carry out installation?

I'd suggest E&H for a really professional service.