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Energy Use Calculators

This section is filled with tools for finding the most efficient improvement projects for your home.

  • Lighting Calculator
    Find out how much you can save with energy-efficient light bulbs.
  • Cooling Calculators
    Estimate the cost of a new central A/C system and find out how much you can save.
  • Heating Calculators
    Estimate the cost of replacing your heating system and find out how much you can save.
  • Appliance Calculators
    Compare your appliances with new energy-efficient models. Find out how much you can save.

To access the Energy Use Calculators, please register a My Account. If you already have a My Account, simply sign in.

Once you sign in, you can make use of other great tools and resources.