Is a ground source heat pump system suitable for a well-insulated house?
Yes. All new houses in the UK are designed to meet Building Regulations and can 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, will need smaller ground loops and will therefore be less expensive. You should take advice from an installer with 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 insulation - whatever kind of heating system is to be installed. For a well-insulated building the size of heat pump will be smaller, will need smaller ground loops and will therefore be less expensive. You should take advice from an installer with experience.
My architect suggests I install underfloor heating. Is this a good idea?
Yes. Ground source heat pump systems are ideally matched to modern warm temperature underfloor heating because a heat pump transfers heat at a higher coefficient of performance if it delivers to a large warm water circuit (like underfloor heating) rather than a small high temperature circuit (like wall mounted radiators).
I have an older property. Can a ground source heat pump be installed?
Yes, but the cost of a system is 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 system.
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