For homeowners wanting the ultimate entry-level whole-house standby, a 22kW is a perfect choice to reap all of the benefits of a whole-house generator over a regular home standby. A generator in the 27-36kW range is perfect for most homes since they replace 75% of the 200 amps coming into your electrical panel.

How big of a generator do I need to run a whole house?

How Big of a Generator Do I Need to Run the Whole House? You can run the most critical household equipment with a generator rated at 5,000 to 7,500 watts. These include things like a well pump, refrigerator and freezer, and lighting circuits.

What size generator do I need to run a 200 amp service?

If you have a 200 Amp service panel, use a 15-20 kW GenSet (again use the larger size if you have air conditioning or large well pump). If you have a 400 amp service panel, use a 30-50 kW GenSet (if you have lots of air conditioning or other larger loads use the large size in the range).

Can a 10000 watt generator power a whole house?

Having a generator to provide power to your home/business during times of crisis can alleviate loss and frustration. You can operate lights, refrigerator, freezer, most small appliances, a water or sump pump, a window air-conditioner, and/or furnace conservatively with a 10,000-watt generator.