Energy-Efficient Commercial Buildings Deduction: New Incentive for Business Owners and Landlords

Article excerpt

The Energy Policy Tax Act of 2005 included incentives for taxpayers that make new or existing commercial property more energy efficient. Under new IRC section 179D, taxpayers that own or lease commercial buildings and install certain energy-efficient improvements therein after 2005 and before 2008 are eligible for an immediate deduction for the cost of those improvements. Notice 2006-52 set forth the process taxpayers must follow to claim this deduction.


To be eligible for the deduction, the commercial property must be:

1. Installed on or in any building located in the United States.

2. Installed as part of the:

* Interior lighting systems.

* Heating, cooling, ventilation or hot water systems.

* Building envelope (i.e., wall and roof assemblies, insulation, air/vapor retarders, windows, weather-stripping and caulking).

3. Certified as having reduced total annual energy and power costs by at least 50%.


The maximum deduction cannot exceed $1.80 multiplied by the building's square footage, less the total of any prior-year's energy deductions already taken for the building. Square footage is measured from the exterior faces of exterior walls or from the centerline of walls separating buildings.

Partial deduction. Subject to certification (discussed below), a partial deduction may be available if one of the systems involved (i.e., interior lighting, heating, cooling, ventilation, hot water) reduces total annual energy and power costs by 16 2/3%; the maximum partial deduction available is 60 cents per square foot. …


An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.