About the Passive House Standard
What is a Passive House and Why is it important?
The Passive House Standard is an energy efficiency standard for both new construction and retrofit projects. The Standard was defined in 1991 when the first Passive House was built by Dr. Wolfgang Fiest in Darmstadt Germany. Today, more than 15,000 homes across central Europe are certified Passive Houses. The Passive House standard has not only transformed the building market and the construction techniques in Europe, but the Passive House Standard is on its way to becoming not just common practice, but code required.
- - Passive House Criteria
- - Specific Space Heat Demand of 15 kWh/m² or 4.75 KBTU/ft² per year or less
- - Or Peak Heat Load of < 10W/m²
- - Primary Energy Demand of 120 kWh/m² or 38 KBTU/ft² per year
- - Airtightness of .6 ACH @ 50 pascals
- - Specific Space Cooling Demand of 15 kWh/m² or 4.75 KBTU/ft² per year or less
- - Comfort Criteria Guidelines
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