Advanced ThermalHEART technology offers maximum energy conservation and interior comfort. This insulating innovation lies at the centre of each profile in the FIRST Residential and Metro Series ThermalHEART window and door ranges.

In these products a thermal insulator has been cleverly included around each window and door to ensure that cold transfer is minimised and interior warmth is retained. This powerful enhancement combined with double glazing makes for the ultimate in sensible year-round living.

10A Laughton Street, Timaru