If you need backup power for your home, RV, campsite, or job site, a dual fuel generator is a wise investment. These versatile units are designed to run off two different fuel sources—like propane, ...

First, you spend a small fortune just to buy the unit and install it. Then comes the real nightmare: maintenance and repairs that are outrageously expensive, to the point where it feels like a scam.

Q: Two weeks ago, you wrote about power generators for home backup. I have a couple of questions. Are manual transfer switches available in a range of maximum power to be transferred? Also, do they ...