Passivhaus

DEFINITION: 

Passive house is a sustainable method of construction (or Passivhaus in German, where the phrase originated) is a voluntary standard for energy efficiency in a building, which reduces the building's ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling.

See also: Minimum Energy Efficiency Standards (MEES)

See also: Carbon Reduction Commitment (CRC) Energy Efficiency Scheme