Energy Efficient Home Improvement Credit

Energy Efficient Home Improvement Credit – The Energy Efficient Home Improvement Credit is a federal tax credit designed to help U.S. homeowners offset the cost of making their homes more energy-efficient. Under this credit—also known as the Section 25C credit—eligible taxpayers can claim 30% of qualified expenses for certain improvements and energy-efficient property installed in their primary residence.

As of 2026, the credit remains available only for qualifying improvements placed in service (installed and ready for use) between January 1, 2023, and December 31, 2025. You can claim it when filing your 2025 federal tax return, potentially reducing your tax bill by up to $3,200 per year with no lifetime limit. This incentive stems from updates under the Inflation Reduction Act and was modified by subsequent legislation to end after 2025.

Homeowners across the USA can use this credit to lower energy bills, increase home comfort, and contribute to national energy goals—all while saving on taxes.

Who Is Eligible for the Energy Efficient Home Improvement Credit?

To qualify for the Energy Efficient Home Improvement Credit, you must meet these key IRS requirements:

  • The improvements must be installed in your main home (principal residence where you live most of the year) located in the United States.
  • The home must be an existing home—new construction does not qualify, but additions or renovations to an existing home may.
  • You (or your spouse if filing jointly) must own and use the home as a residence.
  • For building envelope items like windows, doors, insulation, and air sealing: the home must be your principal residence.
  • For other items like heat pumps or HVAC equipment: the home must simply be used as a residence by the taxpayer.

Partial business use is allowed. If your home is used for business 20% or less, you may claim the full credit. Higher business use requires prorating based on the personal-use portion. Rentals, second homes that are not principal residences, and purely business properties do not qualify.

There are no income limits, making this credit accessible to most U.S. homeowners who make qualifying upgrades.

Qualifying Home Improvements for the Credit

Not every upgrade qualifies—items must meet strict energy efficiency standards set by the IRS, ENERGY STAR, the International Energy Conservation Code (IECC), or the Consortium for Energy Efficiency (CEE). Here are the main categories of eligible improvements:

Building Envelope Improvements (Qualified Energy Efficiency Improvements)

  • Exterior doors: Must meet ENERGY STAR requirements.
  • Exterior windows and skylights: Must meet ENERGY STAR Most Efficient certification.
  • Insulation materials or systems and air sealing: Must meet the IECC standard in effect two years before installation (for 2025 installs, the 2023 IECC applies). Labor costs for these do not qualify.

Residential Energy Property

  • Central air conditioners
  • Natural gas, propane, or oil water heaters, furnaces, or hot water boilers
  • Electric or natural gas heat pumps (including heat pump water heaters)
  • Biomass stoves or boilers (with thermal efficiency of at least 75%)
  • Improvements to or replacements of panelboards, sub-panelboards, branch circuits, or feeders (when installed to enable other qualified energy property)

Home Energy Audits

  • A comprehensive audit by a qualified professional that includes a written report with energy savings estimates. Starting in 2024, the auditor must be certified under a Department of Energy-approved program.

All items must be new (never used before) and installed during the tax year. Most property (except insulation and air sealing) must come from a qualified manufacturer and include a Qualified Manufacturer Identification Number (QMID) or Product Identification Number (PIN) on your tax return for 2025 claims.

Credit Amounts, Limits, and Calculations

The credit is worth 30% of your qualified expenses, subject to these annual limits (no lifetime cap):

  • $1,200 total for most improvements and property, including:
    • Exterior doors: $250 per door (maximum $500 total)
    • Exterior windows and skylights: $600 aggregate
    • Home energy audits: $150
    • Other residential energy property (like central AC or certain water heaters): $600 per item
  • Separate $2,000 annual limit for high-efficiency heat pumps, heat pump water heaters, and biomass stoves or boilers.

Maximum annual credit: Up to $3,200 if you max out both categories in the same year.

Labor costs are included for residential energy property but not for building envelope components. Any rebates or subsidies (except certain utility net metering credits) must be subtracted from your qualified expenses before calculating the credit. The credit is nonrefundable, meaning it can reduce your tax owed to zero but not generate a refund.

Key Deadlines and Recent Changes to the Energy Efficient Home Improvement Credit

  • Placed-in-service deadline: Improvements must be installed and ready for use by December 31, 2025. Purchases alone do not count—installation timing matters.
  • The credit was originally extended through 2032 under the Inflation Reduction Act but was terminated early for property placed in service after 2025 by the One Big Beautiful Bill (Public Law 119-21).
  • 2025-specific rules: Stricter qualified manufacturer requirements apply. Home energy audit standards tightened starting in 2024.

Act before the end of 2025 to take advantage of this valuable incentive.

Step-by-Step: How to Claim the Energy Efficient Home Improvement Credit?

Claiming the credit is straightforward:

  1. Verify eligibility and standards — Confirm your improvements meet IRS energy efficiency requirements (check manufacturer documentation or energy.gov for details).
  2. Keep records — Save receipts, manufacturer certifications, QMID/PIN (if required), and the home energy audit report.
  3. Complete IRS Form 5695 — Fill out Part II of Form 5695 (Residential Energy Credits) and attach it to your Form 1040.
  4. File your tax return — Submit electronically or by mail for the tax year the improvements were placed in service. For 2025 upgrades, file your 2025 return in 2026.

Professional tax software or a qualified tax preparer can help maximize your claim and avoid errors.

Common Mistakes to Avoid When Claiming the Credit

  • Installing in a new home or non-principal residence.
  • Forgetting to subtract rebates from qualified costs.
  • Missing the QMID/PIN requirement for 2025 claims.
  • Claiming window treatments (blinds, shutters, or tinting)—these do not qualify.
  • Assuming the credit is refundable or carries forward unused amounts.

Double-check everything against official IRS guidance to ensure full compliance.

Frequently Asked Questions About the Energy Efficient Home Improvement Credit

Can I combine this with the Residential Clean Energy Credit?
Yes, but not for the same improvements. You may claim one or the other in the same year for different qualifying projects.

Does it apply to renters?
Generally no—only homeowners or owners who use the home as a residence qualify. Tenants cannot claim it.

What if I receive a state or utility rebate?
Subtract the rebate from your costs before calculating the 30% credit (with limited exceptions).

Is there a credit for 2026 improvements?
No—the credit ends for property placed in service after December 31, 2025.

Conclusion: Take Advantage of the Energy Efficient Home Improvement Credit While You Still Can

The Energy Efficient Home Improvement Credit offers a powerful way for U.S. homeowners to save up to $3,200 annually on taxes while making meaningful upgrades that lower energy bills and boost home value. With the program ending for new installations after 2025, now is the time to plan and complete qualifying projects.

Consult the official IRS website, review Form 5695 instructions, and speak with a tax professional to confirm your specific situation. By investing in energy-efficient home improvements today, you’ll enjoy long-term savings and environmental benefits for years to come.