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Generator Information

Choosing the Correct Generator

You cannot power your entire home with a portable generator. A typical home supplied with a 200-amp electric service can support approximately 45,000 watts (45kW) of electric demand. By way of comparison, portable generators are marketed in sizes ranging from a few hundred watts to 15,000 watts (15kW).

We advise you to purchase a generator that is powerful enough to run the largest appliances that you will need to power during an outage. To determine what appliances you can support with your portable generator, you must look at both the "running watts" and the "starting watts" requirements. 

In most instances, you will want to purchase a generator with a continuous rating between 4,400 and 10,000 watts. Generators smaller than 4,000 watts are, in most instances, ill-suited for powering a home during a power outage as they cannot start motors on appliances. At the other end of the spectrum, 10,000+ watt portable generators are expensive, difficult to move, and noisy. In most cases, you cannot run your home's central air conditioning system or electric heat pump even with a 15,000-watt portable generator.



Use the link below to check our list of compatable generators to make sure you are purchasing a compatable product.

If you do not find your generator on our list, please call (800) 886-3837 with the make and model number of your generator. 

List of Compatible Generators:   View and download