England and Wales: 1996-2002
RHI application
Cavity wall, filled cavity
Solid, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Solid, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control