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Passive House: 5 WINDOW MANUFACTURERS MEET THE STANDARD

 

Northwin’s Vision window was certified under the European Passivhaus Institut standard.

 

CERTIFIED PASSIVE HOUSE BUILDERS hoping to meet the Passivhaus energy efficiency standard can now choose between five window manufacturers in North American, four in the U.S. and one in Canada.

Three of the manufacturers have had windows certified by the Passivhaus Institut (PHI) in Germany, the other two by the rival U.S. organization, Passive House Institute U.S. (PHIUS).

Passivhaus designers are free to use any windows they like, but using a certified window allows them to plug established values into energy modeling software. Houses certified under the Passivhaus standard must meet stringent guidelines on energy consumption, so the thermal performance of windows is crucial. With four, and likely five, manufacturers now in North America, builders on this side of the Atlantic shouldn’t have to wait as long for delivery, and they may find it easier to shop on the basis of price. Companies whose windows have won certification, and the certifying agency, are:

Lord Contractors, Inc., also successfully achieved accreditation recently as a PHIUS PASSIVE HOUSE CERTIFIED BUILDER.  A PASSIVE HOUSE is one of the world’s most energy-efficient homes, built to rigorous standards set by the Passive House Institute for air tightness and insulation.  It can consume 80% less energy for heating and cooling compared with a conventionally built house.  For more information and on how Lord Contractors, Inc. can work with you on any of your projects, contact Ken Lord, President, at info@lordcontractors.com or 610-489-0966.

 

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