Most leading energy experts today recommend installing a lot more insulation than is common practice. This wall for a Passive House in Seattle will hold about a foot of insulation.
Originally published February 28, 2012
I'm often asked the question, "How much insulation should I install in my house"? It's a great question. Let me offer some recommendations:
Editor's note: Thanks to Evan Dick for this guest post. Evan is a former writer from BuildingGreen and now works at the Center for EcoTechnology in Massachusetts.
There is so much confusion about energy modeling--what it should cost, what benefits it offers, how to approach it--that clear statements addressing these questions are like a breath of fresh air.