Winter comfort problems aren't always caused by insulation or furnaces. A lesser-known attic upgrade plays an important role in keeping indoor temps stable.

Behind a freshly painted wall, a single shortcut splice can quietly turn into a heating element you never meant to install.

Q. I want to become more green and my children are all for it. From what I have read, using a solar water heater makes the most sense. I don't have much money for one. How can we build a simple one ...