marketed sale
Average thermal transmittance 0.26 W/m-¦K
Average thermal transmittance 0.17 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.14 W/m-¦K
Boiler and radiators, mains gas
From main system
mains gas - this is for backwards compatibility only and should not be used
Fully double glazed
Programmer, room thermostat and TRVs
marketed sale
Average thermal transmittance 0.19 W/m-¦K
Average thermal transmittance 0.17 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.08 W/m-¦K
Boiler and radiators, mains gas
From main system
mains gas - this is for backwards compatibility only and should not be used
High performance glazing
Time and temperature zone control