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

Monthly Archives: August 2015

Air Tight, Super Insulated Pet Freedom If your cat door is like ours, you can see the heating $$ leaking out during the winter. Pet doors are notorious for leaking air. For example a typical dog door leakage was 19 cfm/sf, which is a lot! This causes a challenge for meeting the Passive House standard […]

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August 4th, 2015