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Recent Q&A
HVAC ducting – Climate Zone 7a
The house is 40 year old bungalow with heated basement. It has an older 80% efficiency forced air natural gas furnace with an input BTU/hr 88,000 and output BTU/hr 71,000…
Follow up question re: basement subfloor (climate zone 7a)
A couple of weeks ago I asked a variety of questions pertaining to my livable space basement retrofit for a 1974 home in climate zone 7a. Recap: there is no…
New home build in Iowa (Climate Zone 5)
Is it possible for a new home build in Iowa, climate zone 5, to not have under slab insulation? What's the min code requirement for a poured concrete basement with…
GBA blog dated 2015: “How to Insulate a Foundation”
I've read many articles from various reputable sources as well as this one from GBA http://bit.ly/2lAt69b and I have a follow up question... Martin, you've recently replied to my retrofitting…
Insulating around heating ducts running between floor joists
I'm in the process of renovating an older bungalow home in climate zone 7a. It currently has an unfinished basement but I am in the beginning process of retrofitting this.…
Complete basement retrofit for 1974 home in Climate Zone 7a
Hi, I purchased a 1974 bungalow in Alberta, Canada, so climate zone 7a. Some specific info on the home: Basement unfinished... foundation would be like this http://bit.ly/2kadR6I, and may or…