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Energy Calculators Help Find Energy Savings

Use our calculators and discover ways to save.

Home Energy Calculator*
Understand your energy use and get personalized tips to reduce usage and save money.
  Business Energy Calculator*
Like the Home Energy Calculator, but designed for your business.
Cooling System Calculator
Time for a new system? Get energy savings and cost information with this calculator.
  Thermostat Calculator
Find out home much you can save just by adjusting your thermostat -- a little or a lot!
Appliance Calculator
Quick and easy way to discover how much it costs to run your appliances.
     


View a video about the Energy Efficiency Welcome Kits View an informative video about the Home Energy Calculator.
Survey: Done using the Home Energy Calculator? Tell us what you think.


*For the home and business calculators, you'll get the most from the results if you gather some information first:

  • Electric and/or Gas Bills
    You'll need to enter your bills for the last year (or a minimum of two months). If you're managing your Dominion account online, you can view and print your information. Sign in, select your account and use the right-hand menu to view past billing and usage. To start managing your account online, register first.
  • Square Footage (of your home or business)
  • Heating, Cooling and Water Heating
    You'll need to describe your heating, cooling and water heating systems. If you have more than one type of heating system, you'll need to pick one as the "primary." If you're not sure [for example, if you have gas heat on the first floor and a heat pump on upper floor(s)], select the main floor heating system as "primary."

Note: Energy calculators are currently available for Dominion electric customers only.

A Note About Professional Home Energy Surveys
If you're interested in getting an on-site energy audit, contact a professional. They use a variety of techniques and equipment to determine the energy efficiency of your home. Equipment such as blower doors measure air leaks and infrared cameras find things like areas of air infiltration and missing insulation.

Find an ENERGY STAR home rater in your area.