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Prerequisites: Single-Family Home Energy Improvement Rebates

Home Energy Check (HEC)


In order to qualify for any of Duke Energy’s Home Energy Improvement (HEI) rebates (Attic Insulation, Duct Test & Repair, HVAC or Energy-Efficient Windows), you must first complete a free Home Energy Check (HEC). The Home Energy Check must be completed before any work begins or have occurred within the past 24 months.

  • The residence must be in Duke Energy’s service area and must be a residentially metered customer of Duke Energy in Florida.
  • All upgrade measures must result from recommendations made during a Duke Energy home audit (HEC) completed within the past 24 months. (Exception: Duke Energy may show leniency in emergency cases, applying only to instances where the customer may have installed heat pump/HVAC systems prior to the audit as a result of a non-operating system.)
  • All heat pump/HVAC systems and energy-efficient window installations must be permitted by the appropriate local agency.
  • A Duke Energy-approved contractor must be used for duct test, duct leakage, duct repair and attic insulation measures.
  • All installations must be accessible for verification of RI PROGRAM standards by a representative of Duke Energy in Florida.

Attic Insulation Upgrade


Duke Energy has a list of prequalified, licensed attic insulation contractors that have been trained on the installation process. If your home is in need of attic insulation, you must first complete a free Home Energy Check and then use one of our prequalified contractors (in order to qualify for the rebate).

  • The customer must have had a Duke Energy home audit (HEC) completed within the past 24 months.
  • Multi-family properties and manufactured homes are not eligible for participation.
  • Insulation recommendations must have been the result of a Duke Energy home audit (HEC).
  • Eligible residences must have whole-house cooling and/or electric heating.
  • The weighted average R-value of the existing insulation over the total attic square footage (above the conditioned space) must be less than or equal to R-19. (Exception: may exclude conditioned space for a recent addition to the residence.)
  • Any residence that has participated in Duke Energy’s attic insulation upgrade program in Florida is not eligible to participate again. (Exception: If the residence loses insulation through an “Act of God” and the loss is not covered by insurance, the residence is eligible to participate a second time. It is the responsibility of the homeowner to provide Duke Energy with a letter from his or her insurance company stating that the insulation was not covered.
  • Any residence with knob and tube wiring must be documented or certified as not energized by a Florida licensed electrician.

Duct Test and Repair


Duke Energy has a list of prequalified, licensed duct repair contractors that have been trained on the duct repair process. If your home is in need of duct repair, you must first complete a free Home Energy Check and then use one of our prequalified contractors (in order to qualify for the rebate).

  • The customer must have had a Duke Energy home audit (HEC) completed within the past 24 months.
  • Multi-family properties and manufactured homes are not eligible for participation.
  • Repair recommendations must have been the result of a Duke Energy-approved duct test or a Duke Energy home audit (HEC).
  • Eligible residences must have centrally ducted electric cooling and electric heat.
  • The customer’s duct system must be accessible and in adequate condition to accommodate the duct test and any repairs.
  • A minimum of 60 CFM at 25 pascals of leakage per ton of heat pump/HVAC equipment and a minimum of 60% of the leakage sealed is required as the baseline for participation in duct sealing.

Energy-Efficient Windows


If your home is in need of new energy-efficient windows, you must first complete a free Home Energy Check before any work begins and work with a licensed, insured window contractor (in order to qualify for the rebate).

  • The customer must have had a Duke Energy home audit (HEC) completed within the past 24 months.
  • Multi-family properties and manufactured homes are not eligible for participation.
  • Replacement recommendations must have been the result of a Duke Energy home audit (HEC).
  • The home (in which the customer has replaced the windows) must have whole-house electric heating and cooling.
  • The windows must be installed by a licensed and insured window replacement contractor and approved by a licensed city/county inspector.
  • Any residence that has maximized Duke Energy’s energy-efficient window program in Florida is not eligible to participate again. (Exception: If the residence loses windows through an “Act of God” and the loss is not covered by insurance, the residence is eligible to participate a second time. It is the responsibility of the homeowner to provide Duke Energy Florida with a letter from his or her insurance company stating that the window(s) was not covered.)
  • The windows must have a solar heat gain coefficient of less than or equal to 0.25 and a U-factor of less than or equal to 0.35.
  • The rebate does not apply to French or sliding glass doors.
  • Incentive form is void 12 months after install date. For incentive payment, the customer shall have 12 months from the installation date to submit documentation to Duke Energy.

HVAC Replacement


If your home is in need of a new HVAC/heat pump system, Duke Energy would prefer that you complete a free Home Energy Check before any work begins and work with a licensed, insured air conditioning contractor (in order to qualify for the rebate).

  • The customer must have had a Duke Energy home audit (HEC) completed within the past 24 months. (Exception: Duke Energy may show leniency in emergency cases, applying only to instances where the customer may have installed heat pump/HVAC systems prior to the audit as a result of a non-operating system.)
  • The entire home must be heated and cooled electrically to qualify for the HVAC/heat pump rebate.
  • The HVAC/heat pump system must be installed by a licensed and insured air conditioning contractor and approved by a licensed city/county inspector.
  • The customer must have electric resistance/strip heat or a less efficient HVAC/heat pump system.
  • Rebate amount is determined by the efficiency rating of the HVAC/heat pump system and existing heat type.
  • The condensing unit and air handler must be changed at the same time.
  • Incentive form is void 12 months after install date. For incentive payment, the customer shall have 12 months from the installation date to submit documentation to Duke Energy.