Passive House Energy Savings
If you’re dreaming of a home that’s the ultimate in energy efficiency, take a look at the Passive House standard.
By Ed Welch
Stuart Rue and Sarah Evans’ Passive House in Salem, Ore., features high-performance windows and doors, more insulation and a more extensive ventilation system. Below is a breakdown of the home’s estimated heating savings. Learn more about this building technique in Serious Energy Savings With Passive House Design.
Floor: R-50.8
Roof: R-95.7
Estimated Annual Heating Savings |
||
Heating Energy Used Per Year |
Estimated Cost of Winter Heating |
|
Average home | 11,800 kwh¹ | $990² |
Rue-Evans home | 2,250 kwh | $154³ |
Total savings | 9,550 kwh | $836 |
Note that heating savings can be expected to increase each year with inflation and rising energy prices.
1 = Energy Information Administration (EIA), 2005 (most recent)
2 = EIA, 2011 (any fuel)
3 = Assumes electric heat at 7 cents/kwh