Dear Jim: I would like to use some free solar heating in a south-facing kitchen. I cannot afford to have a system installed professionally. What type of simple solar heater can I build myself for one ...

As the co-owner of a California property that has never been tied to the electric grid, I can attest to the warm feeling of self-sufficiency that comes with a functioning solar power system. We’ve ...

We recently featured one way to heat your house with the sun, but DIYer Daniel Strohl has spent three years perfecting his homemade solar garage heater, made out of a wooden box, some vacuum parts, ...

I added an interior DIY kit to my windows to prevent my warm air from escaping.

Technology has changed a lot about your home. Your thermostat could be a smart thermostat, your doors might be unlocked by a phone and your refrigerator may have a touchscreen on it. But your windows ...

Discover easy home heat upgrades you may not have thought of -- from zoned HVAC to window inserts -- that slash energy bills and keep you warm all winter.