What is a Ground Source Heat Pump?
A ground source heat pump (GSHP) is typically stored within a property or an external planet room and uses pipes, known as collectors, buried in your garden to extract thermal energy from the ground and apply it to heat your home or business.
How does it work?
A mixture of water and antifreeze is circulated around a loop of pipes (a ground loop) buried in the ground. Heat from the ground is absorbed into the fluid and then passes through the heat exchanger into the heat pump. The fluid is then compressed, raising the temperature so that it can be used to cater for your heating and hot water needs.Cooled ground-loop fluid will passes back into the ground where it absorbs further thermal energy, and the process begins again.
Cooled Ground Loop
Fluid passes back into the ground where it absorbs further thermal energy, repeating the process againHorizontal Loop Ground Collectors
Contain a mixture of water and antifreeze that absorbs the thermal energy from the groundThe Heatpump
Collects the warm antifreeze fluid and compresses it to increase the temperature before circulating it around your propertyMethods of collecting thermal energy from the ground
There are two main ways of collecting the thermal energy from the ground, all dependent on the amount of ground space you have available.Horizontal Loop:
You would use a Horizontal Loop ground collector if you had sufficient ground space, typically, 2-5 times the floor area of the property.This loop is laid flat into trenches about one meter deep and one meter wide.
Bore Holes:
If you don’t have sufficient enough area the ground collector for you is Bore Holes. This is a vertical loop sent to a depth of up to 100 meters or more.You are likely to need more than more bore hole
Benefits of a GSHP:
- Low carbon, environmentally friendly heating system with year round efficiency
- Reduces your monthly energy bill
- Suitable for buildings of all sizes whether it be residential or commercial
- Works with a variety of heat distributions systems including underfloor heating, radiators and hot water
- Requires minimal maintenance
- Redeem government incentives for investing in a low carbon heating system
Government Incentives
A new government backed scheme, called The Boiler Upgrade Scheme (BUS) is on offer to help with the initial cost of installing a Heat Pump. This is a voucher-based scheme providing people with an upfront grant up to £7,500 when investing in a Ground Source Heat Pump. And what’s better is that this is an installer based scheme so we take care of everything for you!
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