marketed sale
Average thermal transmittance 0.23 W/m-¦K
Average thermal transmittance 0.16 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.13 W/m-¦K
Boiler and radiators, mains gas
From main system
Gas: mains gas
High performance glazing
Programmer, room thermostat and TRVs
marketed sale
Average thermal transmittance 0.23 W/m-¦K
Average thermal transmittance 0.16 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.09 W/m-¦K
Boiler and radiators, mains gas
From main system
Gas: mains gas
High performance glazing
Programmer, room thermostat and TRVs