Buildings should produce all the electricity they need with alternative non-emissions energy. Super-insulation is great, but total air tightness can lead to poor indoor air quality. Especially when there are gas pilot lights and appliances. I have a 4" door for my Cozy heater, and my hot water heater has its own air intake as required. When using our gas oven, we have to open the kitchen window 2". I use the sun oven whenever possible, sunny days above 40*F. Even the Earthship needs fresh outside air for the plants, and to reduce humidity. Except on days which are too cold.
_________________ "With every decision, think seven generations ahead of the consequences of your actions" Ute rule of life. “We do not inherit the earth from our ancestors; we borrow it from our children”― Chief Seattle “Those Who Have the Privilege to Know Have the Duty to Act”…Albert Einstein
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