Insulate crawlspace floor?

Hello, I’m in Nova Scotia, Canada, climate zone 6b. My house (circa late 1930s) has a poured concrete basement with an addition over a dirt crawlspace. Crawlspace is just under… Hello, I’m in Nova Scotia, Canada, climate zone 6b. My house (circa late 1930s) has a poured concrete basement with an addition over a dirt crawlspace. Crawlspace is just under…Read MoreGreenBuildingAdvisor