HKP Architects
Mount Vernon: (360) 336-2155
Seattle: (206) 686-2505

Monthly Archives: January 2014

Some call the “Secret Sauce” for Passive House the stringent air sealing. Heat losses through cracks and gaps have been reported to reduce energy efficiency up to 30%. By meeting the air-tight level of a Passive House of 0.6 Air changes per hour the health of the occupants is also improved because air leakage leads […]

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January 14th, 2014