The incentive, "Energy Efficient Commercial Buildings Deduction"
(Internal Revenue Code Section 179D), originally was enacted in
2005 to encourage commercial building owners to upgrade their
lighting, HVAC and building envelope systems using more
energy-efficient technology and materials.
As originally enacted, taxpayers were allowed deductions against
their annual incomes of $1.80 per square foot if the building
energy savings exceeded ASHRAE 90.1-2001, "Energy Standard for
Buildings Except Low-Rise Residential Buildings," efficiency levels
by 50 percent. Originally, a partial credit of 60 cents was allowed
for a 16 2/3 percent reduction above the ASHRAE standard for each
of the three...
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