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 ...

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 room? For ...

You can save home energy bills with a heat pump. Even in the worst case locations solar power makes heat pumps good long-term ...

You have until the end of the year to take advantage of federal tax credits for clean-energy and energy-efficiency upgrades to your home, whether that’s by ...