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A ground source heat pump (GSHP) is an energy efficient, renewable energy solution that is particularly suited to properties on larger plots. This type of heat pump extracts the free heat from the ground, using this for heating and hot water. A GSHP helps to reduce your carbon footprint and can even lower your energy bills.

Where typical central heating systems burn fossil fuels in order to generate heat, ground source heat pumps use electricity to harvest heat from the ground.

A ground source heat pump does this by using a network or pipes – either ground loops or boreholes – that are buried in the ground. These are filled with a refrigerant that gently extract the heat, before passing it through a compressor in the ground source heat pump to increase its temperature. This higher grade heat energy is then used for heating and hot water.

What are the benefits of installing a ground source heat pump?

  • Incredibly efficient, a ground source heat pump transfers around four times more energy into the property as heat than it uses to extract it from the ground.
  • Lower your fuel bills - energy is taken from the ground which reduces your dependency of fossil fuels. 
  • Eligible for a £7,500 grant from 23rd October 2023 towards the cost of installation under the Boiler Upgrade Scheme (BUS).
  • No fuel deliveries are needed. 
  • Well-suited to properties on larger plots.
  • Virtually silent operation.
  • Minimal maintenance required as once installed the system can effectively be left to get on with its job. 

Ground Source Heat Pump installations - what's required?

There’s a bit more work involved in installing a Ground Source Heat Pump than an ASHP, but once fitted they offer the very highest levels of efficiency. You’ll need the expertise of a good supplier, a competent installer and a contractor to carry out the groundworks.

  • The GSHP is sited inside the property in a plant room together with the flow and return heating pipework and the flow and return from the ground collector array.
  • The collector array will either be ground loops or boreholes. Horizontal ground loops can be laid by a groundworker with some assistance from the heating engineer. Vertical boreholes can be drilled as another option, which can save space but tends to cost around twice as much as the ground loop option.

Any renewable energy installation which attracts government-backed funding requires both the equipment and the installer to be accredited under a government-authorised scheme. This accreditation is audited annually to ensure standards are upheld. Pure Green Energy are accredited with MCS, Napit, RECC and Trustmark.

To find out more or get a quote, contact our expert team and we’ll be happy to help and advise you.
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