Home Performance Energy Efficiency Scores
The Efficiency Score is a FREE service for participants of the Home Performance with Energy Star program. Once you finish your Home Performance with Energy Star efficiency upgrades, you will receive both a FREE Columbia Water & Light Efficiency Score and a U.S. Department of Energy opens in a new windowHome Energy Score.
Columbia Water & Light's Efficiency Score
When it is time to buy a household appliance, you can easily view how much it will cost to operate it with the bright yellow Energy Guide label. Columbia Water & Light is using this same approach for homes. Columbia Water & Light’s Efficiency Score shows your home’s energy efficiency rating and your home’s estimated annual energy costs.
The Efficiency Score certificate shows you, and future buyers of your home, the value of your energy efficiency upgrades.
Your home is compared to itself and the maximum cost-effective efficiency possible (100%). The Efficiency Score is modeled using the U.S. Department of Energy’s opens in a new windowHome Energy Score. The maximum energy efficiency is based on recommendations that provide a 10-year payback or less. Annual energy costs are based on equipment efficiency, size of home and number of bedrooms. Actual costs may vary due to weather, shading, occupant behavior, number of occupants and home maintenance.
U.S. Department of Energy's Home Energy Score
The Department of Energy opens in a new windowHome Energy Score is a FREE service for participants of the Home Performance with Energy Star program. You will be given an initial Home Energy Score after the pre-assessment and then a final Home Energy Score once you complete the upgrades. Your home’s energy score will show you the value of your energy efficiency upgrades. It can also be used to document the energy efficiency of your home to a future buyer. Visit the U.S. Department of Energy’s opens in a new windowAbout Home Energy Score web page to learn more about this score.