Is a ground source heat pump system suitable for a well-insulated building?
Yes. All new buildings are designed to meet Building Regulations and will be able to benefit from a ground source heat pump. Building Regulations have been designed to conserve fuel, reduce heat losses and ensure greater energy efficiency, in order to ensure that all modern properties need less heating. For a well-insulated building the size of heat pump will be smaller, it will need smaller ground loops and will therefore be less expensive. You should take advice from a ground source heat pump installer with commercial experience.
Is a ground source heat pump system suitable for a poorly-insulated house?
Yes. Ground source heat pumps have been installed successfully in less well insulated houses and in Listed Buildings. If the building is not well insulated then a higher capacity heat pump can be specified or a heat pump with a higher temperature output can be installed. However, it is always wise to consider improving the insulation of building when a new heating system is installed as this may reduce the cost of the heating installation – whatever kind of heating system is to be installed. You should take advice from an installer with experience.
Can ground source heat pumps be installed in older buildings?
Yes, but remember that investment in good insulation will be well rewarded, whatever the source of heat. The cost of a system is directly related to the heat losses, which will generally be higher in older buildings. Money spent on upgrading insulation levels can save on the capital cost of a ground source heat pump installation.
See case studies of heat pumps fitted successfully to older buildings.
Can ground source heat pumps deliver high temperatures?
Yes. Ground source heat pumps are normally designed to run at lower temperatures than gas boilers as this is a more efficient way of delivering heat in a new well-insulated building. When a ground source heat pump is installed to replace a combustion boiler it may be appropriate to install a high temperature heat pump to avoid the need to refurbish the heat distribution mechanism in the building.
See case studies of heat pumps fitted successfully to older buildings.
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