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Income Tax Deduction for Energy Efficiency Upgrades

Last Review: 2012-08-07
Incentive Type: Personal Deduction
Eligible Efficiency Technologies: Caulking/Weather-stripping, Duct/Air sealing, Building Insulation, Windows
Applicable Sectors: Residential
Incentive Amount: 100% of cost of material and labor


Idaho residents with homes built or under construction before 2002, or who had a building permit issued before January 1, 2002, qualify for an income tax deduction for 100% of the cost of installing new insulation or other approved energy efficiency improvements in an existing residence. Any insulation added must be in addition to, not a replacement of, existing insulation. Other energy efficiency measures that may be deducted are windows that are more energy efficient than existing windows, storm windows, weather stripping and caulking, and duct sealing and insulation.  The amount charged for labor is also deductible. 

Customers should claim the deduction on forms from the Idaho State Tax Commission; contact the Idaho State Tax Commission for the most recent form.

Public Information
Idaho Tax Commission
800 Park Blvd. #4

Boise, ID 83722
Phone:(208) 334-7660 Ext.
Phone 2:(800) 972-7660
Email: taxrep@tax.idaho.gov
Web site:


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