Heat Pumps & Renewable Energy
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Air Source Heat Pumps

Internal heat pump with external air handling unit


An external fan unit and heat exchanger, capture energy directly from the air. Air source heat pump systems offer both internal and external heat pumps designs.

  • Internal air source heat pump – Energy is passed via low temperature water/glycol mixture and piped into the house
  • External air source heat pump – Energy is processed within the external system and high temperature hot water is piped into the building.
  • Benefits; Simpler and cheaper to install, Requires less site space, More suitable for existing buildings Additional considerations; Lower operating efficiencies due to fluctuations in air temperature, Siting of fan unit to minimise noise Read More

    Our Service

    Our Service

    • Full design service with a preliminary sales site survey.

    • Residential grant funding with UPFRONT DISCOUNT on the equipment purchase price.

    • Technical site survey.

    • Project management and communication with other site trades.

    • Full installation and commissioning to meet Building Regulations. Part G - Sanitation, hot water safety and water efficiency, Part L - Conservation of fuel and power, Part P – Electrical safety.

    • Customer handover including overview of system controls and alarms, together with all installation certification.

    Danfoss Hot Water Production


    External Heat Pump Danfoss


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