Ground Source Heat Pumps (GSHPs) use pipes which are buried in the garden to extract heat from the ground. They can be used for both domestic and commercial purposes, proving heat and hotwater to single and multiple properties, from one or several GSHPs, using one underground pipe or borehole.
A Ground Source Heat Pump, circulates a fluid (a mixture of water and antifreeze) around a loop of geothermal pipe, (a ground loop) which is buried in your garden. The fluid then passes through a compressor that raises it to a higher temperature, which can then heat your hotwater as well as hte heating within the property(ies). The cooled ground-loop fluid passes back into the ground where it absorbs further energy from the ground in a continuous process as long as heating is required. As the ground stays at a fairly constant temperature under the surface, so the heat pump can be used throughout the year – even in the middle of winter.
Normally the loop is laid flat or coiled in trenches about one to two metres deep, but if there is not enough space in your garden you can install a vertical loop (bore hole) down into the ground. Have a look here to see some of our installations. Click here
The technology is relatively simple and time proven. However the technical design of the system is critical, and you need experieced installers to make sure this is done correctly. The property(ies) heat losses need to be calculated, the heating system (underfloor / radiators & cylinder) has to be sized, the heat pump then is sized to meet the demand of the house, and the ground loop / bore hole needs to take into consideration the sub soil (sand, clay, rock etc), which then dicates the length of the underground pipe / depth of bore hole. We have carried out many of these installation, have a look here to see some of our installations, and with all installtions we will happily introduce you to happy customers. Click here
Heat pumps have some impact on the environment as they need electricity to run, but the heat they extract from the ground, the air, or water is constantly being renewed naturally.
If space is limited you may also want to consider an air source heat pump. Click here for more information
Installing a typical domestic system (ex groundworks) will cost around £12,500 to £17,000. Trenches will cost around £3-5K, but if you need boreholes instead of trenches, then you may need to add £10-15K to this figure. Running costs will depend on a number of factors - including the size of your home and how well insulated it is. You may be able to receive payments to cover the majority, if not all installtion costs when claiming the government’s renewable heat incentive (RHI). Click here to find out more
As VIP NIBE installers we can offer extend warranties of 7 years. You can expect them to operate for 20 years or more, however they do require regular scheduled maintenance. To prevent the heat pump from freezing in cold winter weather anti-freeze is used. Levels of anti-freeze and its concentration is one of the things that a professional installer will check when he comes to service your heat pump.
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