Q: I am planning to build a new home on a crawl space foundation. I’ve been hearing a lot lately that conditioned crawlspaces — as opposed to vented crawlspaces — are the way to go. Are they? A: Here ...

Q: I have a room with a crawlspace under it about 20 inches high. The room has 12-inch floor joists, with rolled batt insulation. I’d like to insulate the block walls to reduce the amount of thermo ...