25 Research Rd.
Narara NSW 2250
Geoff’s house is a highly thermally efficient 8.8 star hemp house with exposed slab on ground and slab edge insulation. It used passive solar design. The main roof faces due North and is designed to take 20kWp of PV panels (it currently has 11kWp installed) and has 1.0m eaves to East and West. There are South facing clearstory windows for summer ventilation plus a heat recovery ventilation system. All external windows and doors are double glazed with FSC hardwood frames.