Location: Thurrock, Essex
Oakray Renewables designed and installation the ASHP and PV for Six Retrofit Homes. The Retrofit included full upgrade from precast concrete building with little or no insulation to a modern insulated comfortable homes with heating and onsite electricicty generation. The clean electricity is provided by a 4.8 kW PV Solar System and the heating and hot water from a 8kW ASHP.
Summary of house #1
Carbon footprint
98.5% reduction in Co2 for heating and hot water, that’s a saving of 2,986 kg Co2/yr
PV
Installed capacity: 4.8 kW
Panels: 430W all black panels
Estimated generation: 3972 kWh/year
South Aspect
ASHP
House Size: 81 m2
Heating demand: 51w/m2
Estimated Energy Usage: 4,200 kWh/year for space heating and hot water.
Running costs in first year: £1,265 (based on 30p per kw/h, excluding savings from PV system).
Specification: 8kw air source heat pump, with unvented cylinder. Heating via radiators sized to suit the rooms.
