The benefits of ground source heat pumps
You can benefit in many ways from fitting a ground source heat pump and exactly what you are able to earn or save will be dependent on your circumstances, however you could benefit by over £600 per year.
- Reduce your carbon footprint: Heat pumps can lower your home’s carbon emissions, depending on which fuel you are replacing, because they reduce the fuel that you need to burn for heating.
- Reduce your heating costs: This is especially true if you are currently using conventional electric heating. Heat pumps provide space heating and hot water more efficiently than traditional heating sources, saving you money on your bills.
- No fuel deliveries required: By replacing your oil or solid fuel heating system you are removing the need to have fuel deliveries. All that is required is electricity to power the pump.
- 'fit and forget’: Heat pumps are often classed as a ‘fit and forget’ technology because they need little maintenance.
Getting paid for producing heat
You will be able make money out of the heat you produce through the Renewable Heat Incentive scheme, details of which will be released in 2013. Learn about the Renewable Heat Incentive and RHPP here.
An example created by the Energy Saving Trust shows that a typical domestic electrical system could earn around:
- £610 per year reduction in current electricity heating bills
- A single Renewable Heat Premium Payment of £1,250
- A regular payment from the Renewable Heat Incentive – to be confirmed in 2013
What to do next?
- How long should the ground loop be?
- That depends on the energy requirements of your house, the space that you have available and the type of ground you have. The larger the home that is to be heated, more energy that is required thus more loop needed in the ground. When planning and designing your system your installer will design your system so that it meets your needs.Typical systems are 6 to 12kW, and you'll usually need 10m of coiled pipe per kW for installation in horizontal trenches - you'll need less piping if you're installing it in a vertical borehole. If ground space is restricted, a vertical borehole (or several) is a good choice - these are now comparable in cost to installing the loops in horizontal trenches.
- Are ground source heat pumps noisy?
- No, they make about the same level of noise as a fridge.
- Will a ground source heat pump provide enough hot water for heating and baths/showers?
- Yes, with the correct design and equipment, a ground source heat pump can meet all your domestic hot water requirements throughout the year. If you do not have enough space in your garden for a system large enough to meets your needs you can top up the heat the heat pump produces with the help of a more conventional system. Your installer will be able to confirm whether the size of system you can accommodate will meet your needs.
- Can a ground source heat pump be used to cool my house?
- Yes, in some ground source heat pump systems this can be achieved as either passive or active cooling.
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