Smart windows

Glazing is far more expensive to buy than building an insulated wall. Walls also have an R-value 800 percent better than a standard, double-glazed, aluminium window. Smart homes typically have: less windows, especially on the southern side windows that are carefully oriented to allow gentle air flow, but not wind highly-insulated or thermally-broken window frames double or triple glazing high quality glass, eg low-emissivity glass (low-e) which allows light and heat in, but helps to prevent heat from escaping

laminated glass, to reduce outside noise The windows in Julie's home are thermally broken, double glazed, low-e, argon-filled, and reduce noise coming in by 36db.