⚠️ Program Update Notice (2026): The federal residential energy tax credits described in this guide were modified by the One, Big, Beautiful Bill Act (OBBB), signed July 4, 2025. Sections 25D, 25C, 30D, 25E, and 30C have been repealed or terminated on various dates between September 30, 2025 and June 30, 2026. This page is preserved for historical reference. For current incentives, check your state’s energy office and the official IRS / DOE / DSIRE sources cited at the bottom of this page.
Navigating federal tax credits for energy-efficient home improvements can lead to significant savings for qualifying taxpayers. IRS Form 5695 serves as the essential document for claiming these valuable federal residential energy credits, helping individuals offset the costs of making their homes more energy-efficient or adopting clean energy technologies. This guide provides a step-by-step overview of how to approach filing Form 5695 for the 2026 tax year, focusing on the Energy Efficient Home Improvement Credit (under Internal Revenue Code Section 25C) and the Residential Clean Energy Credit (under IRC Section 25D).
Understanding Federal Residential Energy Credits
IRS Form 5695, titled “Residential Energy Credits,” is the gateway for taxpayers to claim two distinct federal tax credits designed to encourage energy efficiency and the adoption of renewable energy sources in homes. These credits are part of a broader government initiative to reduce energy consumption, lower carbon emissions, and promote sustainable living across the United States. It’s important to understand that while both credits are claimed on Form 5695, they target different types of home improvements and energy installations.
The Energy Efficient Home Improvement Credit (IRC Section 25C)
This credit is generally aimed at encouraging homeowners to make energy-efficient improvements to their existing homes. It covers a range of upgrades that can significantly reduce a home’s energy consumption. For the 2026 tax year, qualifying improvements typically include, but are not limited to:
- Insulation: Materials such as fiberglass, mineral wool, rigid foam, and spray foam installed to reduce heat loss or gain in walls, attics, floors, and foundations.
- Windows and Skylights: Energy-efficient windows and skylights that meet specific energy performance ratings, such as those set by ENERGY STAR.
- Exterior Doors: Energy-efficient exterior doors that meet specific energy performance ratings.
- Heat Pumps and Heat Pump Water Heaters: Electric or natural gas heat pumps and heat pump water heaters that meet specific efficiency criteria.
- Central Air Conditioners: Energy-efficient central air conditioning systems.
- Furnaces and Boilers: High-efficiency natural gas, propane, or oil furnaces and hot water boilers.
- Biomass Stoves and Boilers: Systems that use biomass fuel to heat a home or heat water.
- Electrical Panel Upgrades: Certain electrical panel upgrades necessary for the installation of other qualifying energy-efficient property.
- Home Energy Audits: The cost of a professional home energy audit conducted by a certified auditor can also qualify for a portion of the credit.
These improvements must be installed in a taxpayer’s principal residence located in the United States and must meet specific energy efficiency requirements as outlined by the IRS and Department of Energy for the relevant tax year.
The Residential Clean Energy Credit (IRC Section 25D)
This credit is designed to promote the adoption of renewable energy technologies in homes, whether new or existing. It generally covers the costs of installing new, qualified clean energy property. For the 2026 tax year, qualifying property typically includes:
- Solar Electric Property (Solar Panels): Equipment that uses solar energy to generate electricity for a residence. This includes the panels themselves, inverters, wiring, and mounting equipment.
- Solar Water Heating Property: Equipment that uses solar energy to heat water for use in the dwelling. This generally requires that at least half of the energy used to heat water come from solar.
- Geothermal Heat Pump Property: Equipment that uses the natural heat stored in the earth to heat or cool a home or to heat water.
- Small Wind Energy Property: Wind turbines that generate electricity for a residence.
- Battery Storage Technology: Battery storage systems with a capacity of at least 3 kilowatt hours (kWh) that are installed in connection with a dwelling unit and are charged by a renewable energy source.
- Fuel Cell Property: Property that generates electricity using a fuel cell power plant.
Unlike the Energy Efficient Home Improvement Credit, the Residential Clean Energy Credit can apply to both a principal residence and a second home located in the United States, as long as it is not exclusively used for rental purposes. The property must be new and placed in service during the tax year the credit is claimed.
Who Qualifies: Eligibility Rules for Form 5695
Eligibility for the federal residential energy credits hinges on several key factors related to the taxpayer, the property, and the nature of the improvements or installations. Understanding these rules is crucial before attempting to claim either credit.
General Eligibility Considerations
- Taxpayer Status: The credits are generally available to individual taxpayers who own a qualifying home. They are typically claimed by the person who pays for the qualifying property or improvements.
- Property Location: The dwelling unit must be located in the United States.
- “Placed in Service” Requirement: The qualifying property or improvement must be “placed in service” during the tax year for which the credit is claimed. This means the item must be installed and ready for use.
- New Property: For most clean energy property (25D), the property must be new. For energy-efficient home improvements (25C), the improvements must be new installations or upgrades, not repairs to existing non-qualifying property.
Eligibility for the Energy Efficient Home Improvement Credit (IRC Section 25C)
- Principal Residence: This credit is specifically for improvements made to a taxpayer’s principal residence. A principal residence is generally the home where you live most of the time. Second homes or rental properties do not typically qualify for this credit.
- Existing Home: The improvements must be made to an existing home, not a newly constructed home. The credit aims to incentivize upgrades to existing housing stock.
- Qualifying Property Standards: The improvements must meet specific energy efficiency standards. For example, windows, doors, and insulation must meet certain performance criteria, often aligned with ENERGY STAR or International Energy Conservation Code (IECC) standards for the year of installation. Taxpayers should verify these standards with official IRS guidance or manufacturer certifications.
- No Business Use: The property must primarily be used for residential purposes. If a portion of the home is used for business, the credit may need to be prorated.
Eligibility for the Residential Clean Energy Credit (IRC Section 25D)
- Qualifying Dwelling Unit: This credit can apply to a principal residence or a second home. It cannot be for property exclusively used for rental purposes.
- New and Original Installation: The clean energy property must be new when installed. It cannot be used property that was previously installed elsewhere.
- Specific Property Types: Only the specific types of clean energy property listed by the IRS (solar electric, solar water heating, geothermal heat pumps, small wind turbines, battery storage, and fuel cell property) qualify.
- Installation Costs: The credit generally includes the cost of labor for onsite preparation, assembly, or original installation of the residential clean energy property, and for piping or wiring to interconnect such property to the home.
- No Business Use (Proration): If the property is used for both residential and business purposes, and the business use exceeds a certain threshold (e.g., 20%), the credit may need to be prorated based on the percentage of residential use.
It is critical for taxpayers to retain all documentation, such as receipts, invoices, and manufacturer certifications, to substantiate that their purchases and installations meet the specific eligibility criteria for the tax year the credit is claimed. The IRS provides detailed instructions for Form 5695, which should be consulted for the most current and precise eligibility rules for 2026.
How Much You Can Get: Understanding the Credit Amounts
The dollar amounts and percentages for the federal residential energy credits are subject to annual IRS guidance and specific statutory limits. It is paramount that taxpayers refer to the official IRS Form 5695 and its accompanying instructions for the 2026 tax year to ascertain the precise figures applicable to their situation. The information provided here describes the general structure of these credits based on current law, but specific numbers are subject to change and official verification.
Energy Efficient Home Improvement Credit (IRC Section 25C)
This credit typically allows qualifying taxpayers to claim a percentage of the cost of eligible home improvements. As of 2026, the credit is generally calculated as a percentage of the cost of qualifying property, with certain limitations:
- Overall Annual Limit: There is generally an aggregate annual dollar limit on the total amount of credit a taxpayer can claim for all qualifying energy-efficient home improvements in a single tax year. For example, this might be “up to $1,200 per year” for most improvements, as specified in current IRS guidance.
- Specific Property Limits: Certain types of improvements may have their own sub-limits within the overall annual limit. For instance, windows and skylights might have a specific annual limit (e.g., “$600”), exterior doors might have a separate limit (e.g., “$250 per door, up to $500 annually”), and heat pumps, biomass stoves, and boilers might have a higher individual limit (e.g., “up to $2,000”). The cost of a home energy audit may also have a specific, smaller limit (e.g., “up to $150”).
- Nonrefundable Credit: The Energy Efficient Home Improvement Credit is a nonrefundable credit. This means it can reduce your tax liability to zero, but you will not receive any portion of the credit back as a refund if it exceeds your tax liability. This credit generally cannot be carried forward to future tax years.
Taxpayers must carefully track their expenses for each type of improvement and ensure they do not exceed the specific and overall annual limits.
Residential Clean Energy Credit (IRC Section 25D)
This credit is generally calculated as a percentage of the cost of new, qualified clean energy property for a home. As of 2026, the credit percentage is typically substantial, for example, “30% of the cost” of eligible property.
- No Annual Dollar Limit (Generally): For most types of clean energy property (like solar electric, solar water heating, geothermal, small wind, and battery storage), there is generally no overall annual dollar limit on the credit amount, allowing taxpayers to claim the full percentage of their qualifying expenses.
- Specific Property Limits (Exceptions): There may be specific limits for certain types of clean energy property, such as fuel cell property, which could have a per-kilowatt limit.
- Nonrefundable with Carryforward: The Residential Clean Energy Credit is also a nonrefundable credit. However, a significant advantage of this credit is that any unused portion that exceeds your tax liability in the current year can typically be carried forward to future tax years until it is fully used or expires (if an expiration date is specified in law).
How to Claim It: Step-by-Step Filing Guide for Form 5695
Claiming the federal residential energy credits involves careful documentation and accurate completion of IRS Form 5695. This guide outlines the general process; however, always refer to the official IRS instructions for Form 5695 for the 2026 tax year for the most precise and up-to-date guidance.
Step 1: Gather Your Documentation
Before you begin filling out Form 5695, ensure you have all necessary records for your qualifying expenses. This is perhaps the most critical step for substantiating your claim in case of an IRS inquiry.
- Receipts and Invoices: Keep detailed receipts and invoices from contractors or retailers showing the cost of the qualifying property and installation labor. These should clearly itemize the expenses.
- Manufacturer’s Certifications: For many energy-efficient home improvements (25C), you will need proof that the purchased items (e.g., windows, insulation, HVAC systems) meet the specific energy efficiency standards required by the IRS. Manufacturers often provide certification statements on their websites or with product packaging.
- Energy Audit Reports: If you are claiming the credit for a home energy audit, retain the report from the certified auditor.
- Proof of Payment: Keep records of payment (e.g., bank statements, credit card statements) to corroborate your expenses.
Step 2: Determine Eligibility and Calculate Costs for Each Credit
Review your documentation against the eligibility rules for each credit (25C and 25D) as outlined in the official IRS instructions for 2026.
- For Energy Efficient Home Improvement Credit (Part I of Form 5695):
- List the total costs for each category of qualifying property (e.g., exterior doors, windows, insulation, heat pumps, etc.).
- Apply the specific dollar limits for each category as well as the overall annual limit for the 25C credit. The form will guide you through these calculations.
- Ensure your principal residence requirement is met.
- For Residential Clean Energy Credit (Part II of Form 5695):
- List the total costs for each type of qualifying clean energy property (e.g., solar electric, solar water heating, geothermal, etc.), including installation costs.
- Calculate the credit amount by multiplying the total qualifying costs by the applicable percentage (e.g., 30% as per current law, but verify for 2026).
- Note any specific limits for certain property types (e.g., fuel cell property).
- Confirm the property is new and placed in service during the tax year.
Step 3: Complete IRS Form 5695
Form 5695 is divided into two main parts, corresponding to the two credits.
- Part I – Energy Efficient Home Improvement Credit (Section 25C):
- You will typically enter the costs for each type of qualifying improvement on designated lines (e.g., line 1 for exterior doors, line 2 for windows/skylights, line 3 for insulation, etc.).
- The form then guides you to apply the individual limits for each category and sum them up.
- A calculation section will help you apply the overall annual credit limit for Part I.
- The result from this section will be your calculated Energy Efficient Home Improvement Credit.
- Part II – Residential Clean Energy Credit (Section 25D):
- You will enter the costs for each type of clean energy property (e.g., line 10 for solar electric, line 11 for solar water heating, line 12 for geothermal, line 13 for small wind, line 14 for battery storage, line 15 for fuel cell).
- The form will then guide you to sum these costs and multiply by the applicable credit percentage.
- Any specific limits (e.g., for fuel cell property) will be applied.
- This section also includes calculations for any credit carryforward from previous years and for determining the current year’s credit amount, taking into account any tax liability limitations.
Step 4: Calculate Total Credit and Transfer to Form 1040
After completing both Part I and Part II, you will sum the calculated credits.
- The total credit from Form 5695 (the sum of the allowable amounts from Part I and Part II, after applying any tax liability limitations) is then transferred to your main income tax return, Form 1040, Schedule 3 (Additional Credits and Payments), or the equivalent line on your tax software.
- Remember that these are nonrefundable credits, meaning they can reduce your tax liability to $0, but generally cannot result in a refund beyond that. However, the Residential Clean Energy Credit (25D) typically allows for carryforward of unused credit to future tax years.
Step 5: File Your Tax Return
Attach the completed Form 5695 to your Form 1040 and any other required schedules. File your tax return by the annual deadline, typically April 15th of the year following the tax year (e.g., April 15, 2027, for the 2026 tax year), unless an extension is filed.Using tax preparation software can simplify this process, as it often guides you through the necessary questions and calculations for Form 5695. However, always double-check the figures and ensure you understand how the credits are applied.
Common Mistakes When Claiming Energy Credits
Claiming federal energy credits can be complex, and certain missteps can lead to delays, reduced credit amounts, or even an audit. Being aware of common mistakes can help taxpayers avoid these issues.
- Inadequate Documentation: Failing to keep detailed receipts, invoices, and manufacturer’s certifications is a frequent error. The IRS requires proof that the property meets specific energy efficiency standards and that the costs were incurred.
- Incorrect Property Type or Standards: Claiming credits for items that do not meet the strict energy efficiency requirements (e.g., standard windows instead of ENERGY STAR certified ones) or for non-qualifying property types (e.g., a new roof for 25C, which is generally not a qualifying improvement).
- Misunderstanding Principal Residence Rule: Applying the Energy Efficient Home Improvement Credit (25C) to a second home or a rental property. This credit is strictly for a taxpayer’s principal residence.
- Exceeding Annual or Lifetime Limits: For the Energy Efficient Home Improvement Credit (25C), taxpayers sometimes fail to adhere to the overall annual credit limit or the specific sub-limits for certain types of improvements.
- Ignoring “Placed in Service” Date: Claiming a credit for property purchased but not yet installed and operational within the tax year for which the credit is being claimed. The property must be “placed in service” during the tax year.
- Double-Dipping on Credits: Attempting to claim the same expenses under multiple federal tax credits or deductions if disallowed by IRS rules. While some state and local incentives may be combined, it’s crucial to ensure federal rules are followed regarding claiming the same expense for different federal benefits.
Frequently Asked Questions
Can I claim these credits if I rent out my property?
Generally, the Energy Efficient Home Improvement Credit (IRC Section 25C) requires the property to be your principal residence, meaning it does not typically apply to rental properties. For the Residential Clean Energy Credit (IRC Section 25D), the property must be a dwelling unit located in the U.S. that you use as a residence. While it can apply to a second home, it generally cannot be used for property exclusively rented out. If a portion of your home is used for business, the credit may need to be prorated. Always consult the specific IRS instructions for the tax year to understand the rules regarding business use.
What kind of documentation do I need to keep?
It is critical to maintain thorough documentation to support your claim. This typically includes detailed receipts and invoices that clearly show the cost of the qualifying property and installation labor. For energy-efficient improvements, manufacturer’s certifications proving that the items meet the required energy efficiency standards (e.g., ENERGY STAR ratings) are often necessary. If you claimed a credit for a home energy audit, keep the report from the certified auditor. Retain proof of payment, such as bank or credit card statements, to corroborate your expenses.
Are these credits refundable?
No, both the Energy Efficient Home Improvement Credit (25C) and the Residential Clean Energy Credit (25D) are nonrefundable credits. This means they can reduce your tax liability down to $0, but they will not result in a tax refund if the credit amount exceeds your tax liability. However, a key difference is that any unused portion of the Residential Clean Energy Credit (25D) can typically be carried forward to future tax years, allowing you to use the full benefit over time, whereas the Energy Efficient Home Improvement Credit (25C) generally cannot be carried forward.
Can I claim both the Energy Efficient Home Improvement Credit (25C) and the Residential Clean Energy Credit (25D) in the same year?
Yes, if you meet the eligibility requirements for both credits and have qualifying expenses for each, you may generally claim both in the same tax year. They are distinct credits with separate eligibility criteria and calculations, both reported on Form 5695. For example, you could claim the 25C credit for installing new energy-efficient windows and the 25D credit for installing solar panels on your roof in the same year, provided all other eligibility rules are met for each respective credit.
When to Get Professional Help
Most homeowners can claim residential energy credits without professional help by filling out IRS Form 5695. Many people, however, find it helpful to consult a licensed tax professional when one or more of the following applies:
- The project involves multiple credits across several years (Section 25C has annual caps that interact with each other)
- You are claiming the Residential Clean Energy Credit (Section 25D) on a property that mixes primary and rental use
- Your tax liability is below the credit amount and you need to carry forward to future years
- You bought an EV through a dealer transfer (Section 30D point-of-sale option) and want to confirm the paperwork
- You qualify for HEEHRA point-of-sale rebates that interact with federal tax credits
- You operate a home-based business or claim home office deductions in addition to energy credits
For straightforward residential installations of a single technology in a single tax year, the IRS Form 5695 instructions are generally sufficient.
Reviewed by Gov Money Map Editorial Team — Last verified: 2026-05-13
Sources: IRS; DOE; IRA 2022
DISCLAIMER: Gov Money Map is not a government agency, tax advisor, financial advisor, or law firm. This page provides general educational information only. Federal and state incentive programs change frequently — verify current rules with the official source (IRS, DOE, your state energy office) before filing or making a purchase decision. Last updated: May 2026.