Home Backup <strong>Generator Sizing Calculator</strong>

Home Backup Generator Sizing Calculator

Find the Right Home Backup Generator For You

  • Call Us 1-844-242-3494 to Speak With a Customer Service Representative
  • Live Chat Chat with a customer representative

Step 1:Your Home

  • Please enter a valid postal code (##### or ### ###).
  • Please select a home size.

Step 2:Select Your Power Needs

Choose what your power needs are from the list below or select whole house if you want everything to run at the same time during a power outage.

Please select an option.
  • How would you like to manage your power?

  • Ensure that your entire home is backed up. Enjoy the comforts of home as if the power never went out.
  • Your estimated power needs:

  • power gauge

Selecting whole house provides a backup generator recommendation based on your home's size and corresponding outlets and lighting requirements and assumes natural gas appliances in the baseline calculation. If your home is an all electric home and includes electric appliances like an electric range, electric clothes dryer, electric water heater, etc. You can add these items below to accurately reflect your home's specific backup power needs.

  • The Essentials

  • Sump Pump 0
  • Well Pump 0
  • Electric Water Heater 0
  • Gas Furnace 0
  • Central Air 0
  • Refrigerator 0
  • Freezer 0
  • Appliances

  • Electric Oven/Stove 0
  • Microwave 0
  • Dishwasher 0
  • Garage Door 0
  • Washer w/Gas Dryer 0
  • Electric Dryer 0
  • Extras

  • Hot Tub 0
  • Sauna 0
  • Pool 0
  • Window AC 0

Selecting "Customize It" provides a backup generator recommendation based on your home's size and corresponding outlets and lighting requirements and assumes natural gas appliances in the baseline calculation. If your home is an all electric home and includes electric appliances like an electric range, electric clothes dryer, electric water heater, etc. You can add these items below to accurately reflect your homes specific backup power needs.

  • The Essentials

  • Sump Pump 0
  • Well Pump 0
  • Gas Furnace 0
  • Boiler 0
  • Electric Water Heater 0
  • Appliances

  • Electric Oven/Stove 0
  • Microwave 0
  • Dishwasher 0
  • Garage Door 0
  • Washer w/Gas Dryer 0
  • Electric Dryer 0
  • Extras

  • Hot Tub 0
  • Sauna 0
  • Pool 0
  • Window AC 0

Customized Results:

This calculator is intended for estimating purposes only. We recommend having an authorized dealer analyze your specific requirements before making a purchase decision.

Installation

HOW MUCH WILL INSTALLATION COST?

Every home is different, and so is every installation. The placement of the generator, the amount of materials required, and the installation of the natural gas or LP fuel source all make estimating installation costs unique. A simple installation might cost about $2,000, but it can be more than that depending upon your specific situation. The best way to know for sure is to get a free in-home assessment. They will listen to your needs, assess your home, and give you a detailed quote. All at no charge, with no obligation, and no pressure.  (Note: installation cost estimate shown does not include taxes and permits.)

Based on your location and selections

Installation is estimated at about:
$2,000

Financing

Special financing available - or low monthly payments

Based on your location and selections

Purchase your unit for as low as:
per month*
With reduced 9.99% APR and Fixed Monthly Payments equal to 1.25% of promo purchase amount until paid in full.

On purchases with your Generac credit card. $29 account activation fee will apply. Based on $  MSRP and $2,000 installation cost. Monthly payments shown are required for 132 months with 9.99% APR promotional financing on your Generac credit card for purchases made   to  . Total payments of $ . Does not includes taxes and permits. Click here for more details.
** Actual monthly payment will be determined at the time of purchase.

*Subject to credit approval. Minimum monthly payments required. Available in the U.S. only. See dealer for details.

Ready for the Next Step?

Schedule Your Free In-Home Assessment

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Call Us at 1-855-899-0055
To Speak With a Customer Representative.
See if you qualify for financing

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Thank you for requesting a free, no-obligation quote on a standby generator system. We will be in contact with you shortly.

If you don’t use all your appliances at the same time (most people don’t) then a smaller generator, paired with a Generac power-management Smart Switch, offers the next best thing to whole-house coverage.
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