Q:Could you help me decide how to relieve oppressive heat in my rental house, a 1912 Southern California bungalow? In July, August and September, the second-floor bedrooms are uninhabitable until ...

Insulation keeps your home the temperature you want — as long as it's installed correctly. Here are five common insulation mistakes to avoid.

If you don’t have an exhaust fan in the bathroom and your stove fan isn’t vented to the outdoors, open a window and rig up a fan that blows indoor air out; seal gaps around the fan with cardboard.

Q: I have a 40-year-old house which has insulation that now needs replacing. I would like to do it myself, and I’m thinking about buying batts of insulation that you can roll out. I want to know ...

Isolate the air moving through the soffit vents into the attic by fabricating a chimney from cardboard at the soffit in each rafter bay. On the bottom edge of each rafter nail or staple an 18-inch ...