What does U value mean?
Loosely, U values reflect the amount of heat transference across a structure. It is a way to quantify how much heat energy is lost through the fabric of a building across different materials and thicknesses.
What is a Passive House?
A Passive House combines high level comfort with very low energy consumption. A Passive House makes efficient use of the sun, internal heat sources and heat recovery ventilation to such a standard that conventional heating systems are virtually rendered unnecessary.
