Costs, savings and maintenance

Costs of installing a typical system range from £7,000 to £17,000. There are one off payments currently available from the government through the RHPP scheme to contribute towards your installation costs; £850 for air-source and £1250 for ground-source heat pumps.

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Costs & Maintenance

Over and above the one-off installation cost of £7,000 – £17,000, running costs will depend on a number of factors – including the size of your home and how well insulated it is. If you opt for an open-loop water-source system the maintenance cost is typically higher, although they tend to be more efficient.

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Heat pumps need electricity to run; to move the ground loop fluid through the ground loop. However, the heat energy that they take from ground, air, or water is more than the energy that they use.

Unlike gas or oil boilers, heat pumps deliver heat at lower temperatures over much longer periods. This means that during the winter they may need to be left on 24/7 to heat your home efficiently. Low Surface Temperature (LST) radiators are recommended and should never feel as hot to the touch as they would do when using a gas or oil boiler, but can be very efficient when working with a heat pump.

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, with homes using oil and solid fuel saving around £300. This is before any contribution from the Renewable Heat Incentive and RHPP.

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FAQs

Will a ground source heat pump be able to heat my home adequately in the winter?
As long as you have enough space in your garden for a system that meets your needs, and your choice of system is suited to your heating needs, a ground source heat pump should be able to heat your home comfortably in the winter. They are often used very effectively in far colder countries than Britain.
Can a ground source heat pump be used to cool my house?
Yes, in some ground source heat pump systems this can be achieved as either passive or active cooling.
Can I heat a swimming pool using a ground source heat pump?
Yes, a system can be designed purely for your pool, be it indoor or outdoor, and if required it can form a heating and hot water system for the whole of your property.
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