Ground source heat pumps

Ground source heat pumps (also known as ground-to-water heat pumps) use the heat from the ground to heat your radiators/underfloor heating. It can also heat water stored in a hot water cylinder for household use.

The heat pump does this via a loop of pipes buried in your garden or outdoor space. Thermal transfer fluid (a mixture of water and antifreeze) flows around the loop where the fluid absorbs the heat from the ground. It then passes through a heat exchanger into the heat pump where it raises the temperature and transfers the heat to water.

Pros & Cons of ground source heat pumps

Pros

Reduces your energy bill.
Lowers your carbon footprint significantly.
Is more efficient than air source heat pumps as underground temperatures are pretty constant (between 10-13°C).

Cons

Requires land for the ground source heat pump to be located
Upfront cost are approx. £28k-£57k depending on the hole/trenches that need to be created for the loop.

What have others done?

Learn how the Rivers family installed a ground source heat pump to their barn conversion in Drymen, Stirlingshire.

Read their story here

Funding for ground source heat pump installations in Lanarkshire

Home Energy Scotland offers grant funding of up to £7,500, with an additional £7,500 of funding available as an optional interest free loan.

Learn more

Choosing a ground source heat pump installer in Lanarkshire

It's a great idea to speak to people who have had similar work done via the Green Homes Network. Here you can also use the EST renewables installer finder which gives you a list of MCS certified installers.

We recommend you obtain at least three quotes from different installers to ensure you get the best price.

EST Renewables Installer Finder

Green Homes Network

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