Energy Saving Case Study 8
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House Age: Modern (1970 - Now)
Energy Saving Improvement 1
Energy Saving Improvement 2
Contractor: Hotsprings Ltd
Description: Viessmann 100W gas fired high efficiency boiler
Cost: £2,000 (2010)
Energy Saving Improvement 3
Energy Saving Improvement 4
Energy Saving Improvements Details
The house is a 2 bedroom modern end terrace property and is fully insulated with a high efficiency central heating system.
The house was build with cavity wall insulation but has now had the loft insulation increased to 350mm and replacement double glazing and doors.
The heating system controls have also been upgraded to include a programmable room thermostat, a twin programmer and thermostatic radiator valves.
All lights are now low energy with a combination of CFLs and LEDs and the appliances are all A rated.
The latest addition is a 2kW photovoltaic array on the south facing roof with a Sunny Boy inverter fitted in the roof space and installed in May 2012. An Immersun control has also been added to provide hot water from the PV system.
A 2012 energy performance certificate (EPC) has been carried out, putting the house in band B with a rating of SAP84 and producing 1.1tCO2 annually.