What is a passive house

Passive house definition

Passive House is not only one of the world’s leading energy efficiency standards but also a construction concept made to build comfortable, environmentally friendly and affordable homes and buildings.

What is the requirements for passive house?

A building must meet several criteria to achieve the passive house standard:

  1. Space heating: The energy demand for space heating must not exceed 15 kWh/m2 of living space per year or 10W/m2 at peak demand. This contrasts with the 100W/m2 needed in a typical house. 
  2. Primary energy: Total energy needed for all domestic applications (heating, hot water and domestic electricity) must not exceed 60 kWh/m2of living space per year.
  3. Airtightness: Passive buildings are very airtight and should have no more than 0.6 air changes per hour at 50 pascals of pressure.
  4. Thermal comfort: Living areas should be comfortable all year round, with no more than 10 percent of the hours in a given year exceeding 25°C.

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