energy efficient insulation You are hereYou are here: Home / energy efficient insulation What is Passive House?August 10, 2017 - 8:00amWhen it comes to energy efficient or “green” design, Passive House is one of the most rigorous building standards around. Tags: passive housepassivhausicynenespray foam insulationinsulationdesignarchitectural designarchitecthouseresidential architectgreenenergy efficiencyenergy efficient insulation Pages1 2 next › last »