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Product Category – Windows and Doors
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Product Type -Exterior Doors
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Federal Tax Credit Specification
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Montana Tax Credit Specification
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Before June 1, 2009:
Must meet ENERGY STAR criteria
After June 1, 2009:
U factor <= 0.30
SHGC <= 0.30
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For investments in products installed prior to July 1, 2010
Replacement
an insulated door with a higher energy rating than the exterior door being replaced
New construction
U factor <= 0.35
all ENERGY STAR labeled qualify
For investments in products installed on or after July 1, 2010
U factor <= 0.30
SHGC <= 0.30
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Federal Tax Credit
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Montana Tax Credit
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30% of cost, up to $1,500*
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25% of cost, up to $500**
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Federal Notes
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Montana Notes
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Unlike the federal credit, the Montana credit:
- is allowed for installation in dwellings, not only the taxpayer’s principal residence
- includes installation costs
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* Subject to a $1,500 maximum per homeowner for all improvements combined.
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** Subject to a $500 annual maximum per taxpayer per building for all improvements combined.
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