Passive solar design is nothing new — it has probably ... think about lowering the SHGC of windows that face east and west.” Insulation is a no-brainer. It helps maximize heat retention ...

detailing the energy-saving strategies they’ve adopted at home—everything from solar retrofits to low-carbon building materials to passive design approaches such as extra insulation ...

Discover this revolutionary house that maintains a temperature of 23 °C even in winter, without heating! Thanks to ultra-efficient insulation and smart design, it defies the cold while reducing energy ...