Ground source heat pumps

Ground source heat pumps use pipes that are buried in the garden to extract natural energy that is stored in the earth, which is then utilised to heat your home.

There are a number of benefits that are associated with ground source heat pumps, including;

How do they work?

Ground source heat pumps work by absorbing heat from the ground at low temperatures into a fluid that is inside the loop of the pipe. The temperature of the fluid is then increased as it passes through a compressor, before being used to heat water for the home’s heating system. Once cooled, the fluid makes its way back underground and the process is repeated.

The loop is usually laid flat or coiled in trenches that are buried about two metres deep in the garden. A vertical loop can also be installed, in the case where there is not enough room in the garden, to a depth of 100 metres.

Ground source heat pumps have some environmental impact, as they require electricity to run and are thus not self-sufficient. However the heat they extract is constantly renewed, making for lower energy emissions overall.

What do I need?

To install a ground source heat pump system you will need to consider the following;

 

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