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EPAct Calculator
Enter the information below to see the possible tax deduction you can take for your lighting project. 
Project Information  
Square Footage of Building:
Type of Building:
Estimated Project Cost:
Possible Tax Deduction for Lighting:*
*This is a generic estimation of the tax provisions of the Energy Policy Act of 2005. To achieve any deduction, lighting power densities for the proposed system are compared to standard LPD values based on ASHRAE/IESNA 90.1 – 2001. Reductions of 25% or more may be eligible. Projects must also meet other design criteria such as correct illumination levels and control provisions. This is an estimate only and not a guarantee of savings.