In looking at the price ranges of some of our favorite home generators, Generac products ... house costs $4,250 to $6,600. What size home generator do I need? A 17 to 20 kW generator is needed ...

According to Kyle Raabe, executive vice president of consumer power at Generac Power Systems, a generator manufacturer ... Running a 20 kW unit on propane for a day costs about $220.

If you're planning to get a backup power source for your home, you'll want to consider costs, fuel types, installation and more.