How does a Ground Source Heat Pump Work?

Ground source heat pumps use pipes buried in the garden to extract heat from the ground. This heat cis then used ti heat your home.

A ground source heat pump circulates a mixture of water and antifreeze around a loop of pipe, called a ground loop, which is buried in your garden. Heat from the ground is absorbed into the fluid and then passes through a heat exchanger into the heat pump. The ground stays at a fairly constant temperature under the surface, so the heat pump can be used throughout the year.

The benefits of ground source heat pumps:

  • Lower fuel bills, especially if you replace conventional electric heating
  • Lower home carbon emissions
  • No fuel required
  • Minimal maintenance

*Information adapted from The Energy Saving Trust