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 ...

I received an interesting question from a reader recently. He had a crawl space that was ventilated, but was also heated and cooled. He wanted to know what the best way was to insulate that space: ...