Some more good news is that they will be eligible for financial incentives under the government’s Renewable Heat Incentive (RHI) from spring 2014.
Ground source heat pumps are basically pipes buried in the ground which absorb natural geothermal energy which can then be used to heat radiators and underfloor and warm air heating.
They work by circulating a mixture of antifreeze and water around a loop of pipe called a ‘ground loop’. Heat passes into this mixture from the ground and is then passed through a heat exchanger into the pump itself. Because the ground stays at a fairly stable temperature ground source heat pumps can be used throughout the year.
Expect to pay between £9,000 and £17,000 for a ground source heat pump. Running costs will depend on how big your home is, in addition to how well insulated it is.
There are various benefits to be made from this type of renewable energy, depending on a variety of factors:
Buyers guides and a field trials report are available from the Energy Saving Trust if you want more information. It is worth bearing in mind that heat pumps are now classed as permitted developments in England, Scotland and Wales which means you will not need planning permission in order to install them.
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