marketed sale
Average thermal transmittance 0.30 W/m-¦K
Average thermal transmittance 0.48 W/m-¦K
Low energy lighting in 75% of fixed outlets
Average thermal transmittance 0.34 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
Programmer, room thermostat and TRVs
marketed sale
Average thermal transmittance 0.22 W/m-¦K
Average thermal transmittance 0.14 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.1 W/m-¦K
Boiler and radiators, mains gas
From main system, flue gas heat recovery
mains gas - this is for backwards compatibility only and should not be used
High performance glazing
Time and temperature zone control