A certificate that rates a property’s energy performance from A to G and gives recommendations for improvement.
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Using less energy to achieve the same result, such as heating a home to a comfortable temperature with lower energy use.
The process of checking whether radiators or underfloor heating can deliver enough heat at the chosen flow temperature.
A device that gives heat into a room, such as a radiator, underfloor heating loop, fan coil or convector.
The fourth phase of the Energy Company Obligation, a government energy-efficiency scheme aimed at improving eligible homes.
Sealing unwanted gaps around windows, doors, floors and service penetrations to reduce cold draughts and heat loss.
Hot water used for taps, baths and showers.
A qualified person who produces Energy Performance Certificates for existing homes.
A system where heat is produced centrally and supplied to multiple homes or buildings through a heat network.
Heating that uses electricity directly, such as panel heaters, storage heaters, electric radiators or infrared panels.