Air Source Heat Pumps

Hadrian Electrical Engineering Ltd design, supply and install Air Source Heat Pump systems for domestic and commercial properties in the North of England


Benefits of Heat PumpsAirSourceHeatPumpsPage

  • No gas supply, flues or ventilation required
  • Low maintenance and no annual Fgas safety inspections required
  • Attract the government Renewable Heat Incentive and Renewable Premium Payment shcemes
  • Reduce energy bills
  • Reduce your carbon footprint and can save up to 50% of CO2 emmissions compared with traditional heating systems
  • No planning permission required
  • Great for refurb, retro-fit or new build
  • Quick Installation

How do Heat Pumps work?


Air Source Heat Pumps work by extracting thermal energy from the outside air and transferring this energy to heat your home and supply your hot water. This process is very efficient and harnesses free energy to provide you with a clean, renewable heat source that both saves you money and protects the environment. For every 3 kW of heat energy extracted from the air and using 1 kW to power the heat pump you can receive 4 kW of heat to your property.

The heat pump transfers this energy from the air to your central heating and hot water through the use of a refrigerant and a compressor / condenser cycle. Every heat pump has 4 main parts and works in the same way as a fridge extracting heat from inside.

The 4 main parts to a heat pump are;AirSourceExchange

  • Evaporator
  • Compressor
  • Condenser (Heat Exchanger)
  • Expansion Device



Air is pulled into the heat pump from the outside through a fan to the evaporator. The evaporator circulates a refrigerant with a considerably lower temperature to the outside air temperature. Due to the temperature difference, the heat from the air is given up to the refrigerant.

As a result, the refrigerant undergoes a phase transition from liquid to a gas (heating up) and is passed to a compressor where it is compressed,further upgrading the temperature. Moving through the cycle to the condenser, the super-heated gas is now surrounded by the hot water in your heating circuit and a simple heat exchange takes place.

The refrigerant loses its temperature to the water in your heating system and the cooler gas returns to a liquid but is still under high pressure. Therefore it is passed through the expansion valve to reduce the pressure to normal and returned to the start of the process.


How much can you save?

The amount you can save depends a lot on the fuel source you are replacing. To replace a fuel source such as Oil, LPG, Electric heating or solid fuel you can save from £160 – £530 per annum, depending on your usage.

With the inception of the Domestic Renewable Heat Incentive (RHI) you can also earn money whilst you save on your fuel bills.


Hadrian’s Approach

Hadrian Electrical Engineeringare pushing the forefront in renewable and sustainable technology offering Air Source Heat Pump options to both domestic and commercial properties to help reduce Carbon emissions, supply a means to future fuel security and reduce fuel prices.