Important! Rocky Mountain Power's planned changes to the energy efficiency program became effective September 3, 2018. Changes include streamlining incentive tables to only include measure offerings and maximum incentive levels. Qualifications for energy efficiency measures going forward will be maintained on the wattsmart Homes program website. For questions or additional clarification, please email [email protected].

Important! Pacific Power's planned changes to the energy efficiency program will become effective January 1, 2019. Changes include an increase to the heat pump clothes dryer incentive and other changes to update qualifications to align with market conditions. For questions or additional clarification, please email [email protected].

U-factor

U-Factor measures the heat transfer through a window and lets you know how well the product insulates. The lower the U-Factor, the greater resistance to heat flow (in and out) and the better its insulation value.

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