Renewable Heating System 2006
This 200 m² timber framed house built in 2005 has a renewable energy system of a 6 Kw ground sourced heat pump using a 100m bore hole and 5 m² of flat plate on roof solar panels.
The System has 3 zones: Living Space: down stairs under floor heating, Sleeping Space: first floor radiators and Domestic Hot water: a 300 litre hot tank.
The ground source heat pump serves the space heating and the DHW, an external plate heat exchanger was fitted to allow for efficient heat transfer from the heat pump to the domestic hot water. The solar panels serve the DHW only.
The low heat load of this house is due to its high quality of construction and 
extra insulation fitted. The extra cost of the insulation was offset by a smaller heat pump and 50m less drilling of the geothermal well.