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Home Standby Generator Calculator

Easily Size Your Home Standby Generator

By Dale V.  |  Power Equipment Expert

Electric Generators Direct put together this easy-to-use Standby Generator Sizing Calculator
to make it simple to pick the perfect one for your home. Simply fill out the details of your home and the wizard will suggest generators that meet your needs. To determine your home's exact power requirements, we suggest contacting a certified electrician.


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How to Use the Whole House Generator Sizing Calculator

Using our free whole house sizing calculator is simple and will give you recommendations in three quick steps:

  1. Enter your home's square footage and ZIP Code. This information is used later in the calculation as a baseline.

  2. Select the size of your air conditioner.
    Since central air conditioners typically use more wattage than any other appliance in your home, you will want to make sure you get a generator that can handle the load.

  3. Select what you want to keep powered during an outage. If you select Whole House,
    the tool provides a backup generator recommendation based on your home's size, corresponding outlets and lighting requirements and assumes natural gas appliances in the baseline calculation. You can also add appliances into the calculation from our preset list or manually insert your own The tool is fully customizable.

 

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