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.

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