Q: My wife and I recently bought a small ranch that had an old, inefficient furnace in the crawl space. During the fall, we disconnected the old furnace and decided to install a new one in our attic ...

Q: More than 40 years ago, I read an article about a man who heated his small home by centralizing the source of heat into the crawl space. Each room had a floor register placed under a window, and ...

Dear Ken: I've moved into a townhouse with a crawl space. Why would the builder put the furnace and water heater in there? It seems very inconvenient. - J.S. Dear J.S.: It's either an economic or a ...

Q: I have a crawlspace under our home where the north and east walls are insulated on the inside with 3/4-inch blue foam board. Do I need to have a fire-resistant or -retardant covering over it by ...

Q. This week: My five year old second home has a five foot tall crawl space with a concrete floor (copper and PVC pipes and ductwork are down there, and a suspended 80,000 BTU transverse furnace).

Q: I’m confused about maintenance of my crawlspace, which also serves as a cold-air return plenum for an oil furnace. No cold-air return ducts, just crawlspace. The crawlspace looks quite dirty, and ...

Dear Ken: My furnace needs to be replaced. I'm told it has some cracks in the heat exchanger. It's now in the crawl space, but I would like to set it up in the laundry room. What do you think? And ...