Alphawin
The NEW Alphawin range of windows and doors from OPTWIN offers a fantastic new Passivhaus-certified window option for specifiers of Passivhaus, AECB Gold Standard, Code for Sustainable Homes Level 5/6 buildings and other low energy buildings.
Summary
- Ultra low U values
- Passivhaus Institut certified
- Triple glazing with warm edge spacers
- Slim profile & sightlines
- Wood fibre insulation in frame
- Timber/ alu-clad frame
U values
- Triple glazed Uw= 0.68 W/m2K
Ideal for:
- Passivhaus and Code for Sustainable Homes Level 5/6 buildings





