Archives: Glossary

  • Energy Performance Certificate

    A certificate that rates a property’s energy performance from A to G and gives recommendations for improvement.

  • Energy Efficiency

    Using less energy to achieve the same result, such as heating a home to a comfortable temperature with lower energy use.

  • Emitter Sizing

    The process of checking whether radiators or underfloor heating can deliver enough heat at the chosen flow temperature.

  • Emitter

    A device that gives heat into a room, such as a radiator, underfloor heating loop, fan coil or convector.

  • ECO4

    The fourth phase of the Energy Company Obligation, a government energy-efficiency scheme aimed at improving eligible homes.

  • Draught Proofing

    Sealing unwanted gaps around windows, doors, floors and service penetrations to reduce cold draughts and heat loss.

  • Domestic Hot Water

    Hot water used for taps, baths and showers.

  • Domestic Energy Assessor

    A qualified person who produces Energy Performance Certificates for existing homes.

  • District Heating

    A system where heat is produced centrally and supplied to multiple homes or buildings through a heat network.

  • Direct Electric Heating

    Heating that uses electricity directly, such as panel heaters, storage heaters, electric radiators or infrared panels.