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Windows are more than just way for sunlight to enter your home; they can be an easy way to lose valuable heat in the winter or cooling during the summer. But luckily, they are also an easy fix and can improve your overall energy efficiency.

EarthCents incentives are offered on a limited basis, and may vary based on date of purchase and installation. As of Jan. 1, 2016, you can get 50 cents per square foot, up to a maximum of $300, when you install qualifying high efficiency windows. Applications are accepted online or by calling 1-877-655-4001.

Click Here for Eligibility Requirements

  • Incentive amounts, program rules, and regulations are subject to change.
  • In the event that incentive amounts change, the purchase date of the product or equipment will be used to determine the incentive amount.
  • Offer is available to Gulf Power residential customers only.
  • Offer is limited to one rebate application per calendar year.
  • Application must be made within 60 days of installation of qualifying products.
  • Qualifying products must be installed on exterior walls and adjacent to conditioned space.
  • Products must meet the most current ENERGY STAR® guidelines for the Southern Climate Zone; or they must be certified by the National Fenestration Rating Council (NFRC) ] to possess a solar heat gain coefficient (SHGC) of less than or equal to 0.25 and a U-factor that is less than or equal to 0.4. Proof of SHGC and U-factor compliance should include independent third-party documentation such as NFRC labels or manufacturers' technical specifications.
  • The incentive for qualifying window products is limited to a maximum of $300 per residence.
  • The following are required for payment of incentive:
    • Complete incentive application
    • Documentation of proof of equipment qualifications (including manufacturer and the appropriate efficiency specifications of the equipment)
    • Sales receipt documentation including date of installation
  • Neither the payment of an incentive, nor any inspection by the company shall be deemed as guaranty or warranty by the company.
  • Installation must pass Gulf Power's verification process.


Download this booklet full of ways to save money and energy at home.

Library of detailed information about efficiency in your home or business.

To find qualifying equipment or products, check out ENERGY STAR

U.S. Department of Energy offers advice about Energy Efficiency and Renewable Energy.

Learn More

Whether you would like to improve the energy performance of your existing windows or replace them with new energy-efficient windows, several options are available. Consider these factors in your search:

  • U-Factor - the rate of heat loss; the lower the U-factor, the greater a window's resistance to heat flow and the better its insulating value
  • Solar Heat Gain Coefficient (SHGC) - the fraction of incident solar radiation admitted through a window; the lower the SHGC, the less solar heat it transmits
  • Visible Transmittance (VT) - the amount of visible light transmitted; the higher the VT, the more light is transmitted.
  • Air Leakage (AL) - the amount of air passing through a square foot of window area (cfm/sf); the lower the AL, the less air will pass through cracks in the assembly.
  • Condensation Resistance (CR) - how well a window resists the formation of condensation on the inside surface; the higher the number, the better
  • Recommendations in the Southern Zone - A low SHGC is the most important window property in warm climates. A low U-factor is useful but it is less important than SHGC in warm climates.

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