Costs, savings and maintenance

The costs for fitting a typical domestic system range from £6,000 to £10,000 including installation. Running costs vary depending the size of your home and how well insulated it is. Currently you can get a one off payment of £850 from the government through the RHPP scheme to contribute to your installation costs.

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Costs & Maintenance

Heat pumps typically come with a 10 year warranty and should be expected to run for at least 20 years. You should check your system every year and arrange to have a professional installer inspect it every 3-5 years.

Heat pumps need electricity to run the fan and pump, but the heat they extract from the air is more than the energy that they use to capture it.

You should leave your heat pump on all the time during the winter as this will make it much more efficient at capturing heat.

Savings

In the right home the savings can be considerable. The Energy Saving Trust estimates that when replacing an existing electric heating system in a 3 bed semi detached home you could save up to £610 per year, even before any contribution from the Renewable Heat Incentive.

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FAQs

Do air source heat pumps require any maintenance?
Typically no annual maintenance is required, but there may some makes and models that do require some checks to be carried out.
Do air source heat pumps come with a warranty?
Most air source heat pump installations include warranties for parts and labour. You should check your quote or the pump's product details to find out how long that model's warranty is.
Where in my house should an air source heat pump be installed?
The bulkiest component of an air source heat pump is the air handling unit, which must be fitted outside. The unit can be fitted on an outside wall, but some designs allow this to be fitted some way away from the home, as far as 20-30 meters. The heat pump needs to be in or on the house and typically this is where the essential components are housed.
How much hot water is produced each day by an air source heat pump?
This will depend on the make and model of air source heat pump that you're planning to use, but a well chosen pump should be able to meet all of your heating needs. You should aim to get advice from at least one well accredited installer when choosing a model.
How many air source heat pumps would I need for a large building?
This depends on the model that you choose, however if you home is well insulated you will need fewer heat pumps to maintain the same temperature level. Your installer will be able to advise you on exactly how many you will need.
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