Considering an air source heat pump? Learn what happens during a home survey, from heat-loss calculations and radiator checks to pipework, hot water requirements and system sizing.

Choosing the right heat pump is not as simple as matching a kW rating to the size of your home. This guide explains how installers assess heat loss, insulation, radiators and heating demand before sizing an air source heat pump.

Heat pumps aren’t only a consideration for detached houses. This guide explains whether an air source heat pump can work in a UK flat, what permissions and space may be required, and what should be assessed before installation.