Windows and doors
Our top tips for buying high-performance windows
2. Choice of a High quality double pane or mid-level triple pane glazing. SHGC > 0,6.
3. The Difference choosing a Very high quality triple pane glazing and frame, entry-level Passivhaus certified. 0,3 ≤ SHGC ≤ 0,6.
Choosing windows based on home orientation
When you start shopping in the a...