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.


Total square feet  1,885
Built cost  $159 per sq. ft.
Specific space heat demand  4.08 kBTU per sq. ft./year
Level of insulation  Walls: R-44.1
Floor: R-50.8
Roof: R-95.7
Window U-factor  0.105 and 0.178
Total energy consumption  22.8 kBTU per sq. ft./year
Estimated savings per year in heating bills alone!  More than $800




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

Subscribe Today - Pay Now & Save 64% Off the Cover Price

50 Years of Money-Saving Tips!

Mother Earth NewsAt MOTHER EARTH NEWS for 50 years and counting, we are dedicated to conserving our planet's natural resources while helping you conserve your financial resources. You'll find tips for slashing heating bills, growing fresh, natural produce at home, and more. That's why we want you to save money and trees by subscribing through our earth-friendly automatic renewal savings plan. By paying with a credit card, you save an additional $5 and get 6 issues of MOTHER EARTH NEWS for only $12.95 (USA only).

You may also use the Bill Me option and pay $17.95 for 6 issues.

Canadian Subscribers - Click Here
International Subscribers - Click Here
Canadian subscriptions: 1 year (includes postage & GST).

Facebook Pinterest Instagram YouTube Twitter flipboard

Free Product Information Classifieds Newsletters