The labor costs are not deductible. To qualify, building envelope components must have an expected lifespan of at least 5 years. Qualified components include new:
- Exterior doors that meet applicable Energy Star requirements. Credit is limited to $250 per door and $500 total.
- Exterior windows and skylights that meet Energy Star Most Efficient certification requirements. Credit is limited to $600 total.
- Insulation and air sealing materials or systems that meet International Energy Conservation Code (IECC) standards in effect at the start of the year 2 years before installation. For example, materials or systems installed in 2025 must meet the IECC standard in effect on Jan. 1, 2023. These items don't have a specific credit limit, other than the maximum credit limit of $1,200.
Labor costs for installing building envelope components don't qualify for the credit. EE Home Improvement Credit
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