Air Source Heat Pump
These would be fitted individually to each home, replacing their boiler. They draw heat from the air. The main benefit of a community scheme could be reducing the cost from the scale of purchase. A few properties have already installed these. They are the main option that the UK government is driving to convert home heating.
How It Works
~300% Efficient
Over the course of a year, a heat pump should generate around 300% more heat energy than the electricity it consumes
Consistent Temperature
Normally heat pumps run continuously to maintain a steady temperature
Radiator Upgrades
May require radiator upgrades
All types of heat pumps work in the same way – they extract heat from the source (air, ground, or water) in the same way a fridge extracts heat from within it and emits heat from the coils at the back. The heat pump heats up water that flows through the hot water and heating system of the house. Typically, the water temperature is ~35-45C, which is cooler than traditional boilers. Generally, the house must be quite well insulated to keep warm with the cooler water and the heating system has to be able to radiate the heat well, which favours underfloor heating or at larger radiators.
However, high-temperature heat pumps have recently come on the market, which may give more options. Exactly what will be required will depend on the individual house. A Lower Mill Estate there are a set number of home designs which should make it easier for us to assess the options there. Assessments will need to be more individual in Somerford Keynes.