The Weatherization Assistance Program (WAP) is a federally funded energy assistance program that may help low-income households reduce their home energy bills by making their homes more energy-efficient — at no cost to the homeowner or renter. Administered by the U.S. Department of Energy (DOE) through state energy offices and local community action agencies, WAP has been operating since 1976 and is one of the longest-running residential energy programs in the country. If you're struggling with high utility bills, drafty rooms, or an aging heating or cooling system, this program may be worth exploring.

Key Takeaways - WAP is a DOE-administered program providing free energy-efficiency home improvements to income-eligible households. - Income eligibility is generally set at or below 200% of the Federal Poverty Level (FPL), or 60% of state median income — whichever is higher. - Covered improvements may include insulation, air sealing, furnace repair, and health and safety upgrades. - Applications go through local community action agencies, not the federal government directly. - Waitlists are common — contacting your local agency early is strongly recommended.

Data Snapshot

According to the U.S. Department of Energy's Weatherization Assistance Program data (https://www.energy.gov/scep/wap/weatherization-assistance-program), WAP has weatherized more than 7 million homes since its inception in 1976. Under regular annual appropriations, the program has served approximately 35,000–40,000 households per year in recent years. The Bipartisan Infrastructure Law of 2021 provided an additional $3.5 billion in supplemental WAP funding — the largest single investment in the program's history — which states are actively drawing down through 2026. DOE program evaluations estimate average energy cost savings of approximately $372 per year per weatherized home. Funding allocations vary significantly by state, with larger states such as Texas, California, and New York receiving multi-million dollar annual grants from the DOE formula allocation.

Who Is WAP Designed to Serve?

WAP is designed for low-income households who occupy their primary residence, whether they own or rent. Federal program rules direct local agencies to prioritize certain groups when allocating limited funding:

  • Households with elderly members (age 60 or older)
  • Households with children under age 6
  • Households with a member who has a disability
  • Households with high energy burdens — meaning those spending a disproportionately large share of their income on utilities

Renters may be eligible, but landlord cooperation is typically required before work can begin on a rental unit. Some states require a signed landlord agreement or consent form as a condition of service. If your landlord is unresponsive, your local agency may be able to advise you on options.

Income Eligibility: Understanding the Thresholds

To potentially be considered for WAP, your household income generally must fall at or below 200% of the Federal Poverty Level (FPL). Some states apply 60% of the state median income as their threshold instead — and whichever figure is higher is the one that applies in your state.

Because FPL percentages are updated annually by the federal government and state rules vary, exact dollar figures are not listed here. Always confirm the current income limits directly with your local weatherization agency or state energy office.

If your household already receives benefits from certain means-tested programs, you may be considered automatically income-eligible for WAP without submitting separate income documentation. Programs that typically confer this status include:

  • Supplemental Nutrition Assistance Program (SNAP)
  • Supplemental Security Income (SSI)
  • Medicaid
  • Temporary Assistance for Needy Families (TANF)
  • Certain Veterans' pension benefits

Bringing your benefit award letter to your WAP application appointment may simplify the verification process if you receive any of these programs.

What Home Improvements May Be Covered?

Before any work begins, a trained energy auditor visits your home to conduct a free assessment. The audit identifies which upgrades will deliver the greatest energy savings for your specific home, based on its construction, heating and cooling systems, and current energy use. The auditor's findings drive what work is approved — not a standard menu of services.

Common improvements that may be covered under WAP include:

Heating and Cooling Systems - Furnace repair or replacement - Heat pump installation - Air conditioner servicing - Programmable thermostat upgrades

Building Envelope - Attic, wall, and floor insulation - Air sealing around windows, doors, and ductwork - Window repair or replacement (available in limited circumstances) - Door weatherstripping and sealing

Health and Safety - Carbon monoxide detector installation - Smoke detector installation - Combustion safety corrections - Ventilation improvements to address indoor air quality

Not every improvement is available in every state or for every home. There is no cost to eligible households for any approved weatherization work, including the audit, labor, and materials.

Documents You Will Likely Need

Exact requirements vary by state and local agency, but most WAP applications ask for documentation in the following categories:

  • Proof of identity — government-issued photo ID, passport, or birth certificate
  • Proof of address — utility bill, lease agreement, or mortgage statement
  • Proof of income for all household members — recent pay stubs, Social Security award letters, prior-year tax returns, or benefit award letters
  • Proof of home ownership or rental status — deed, lease agreement, or landlord contact information
  • Social Security numbers for all household members — requirements vary by state
  • Recent utility bills — used to help assess your household's energy burden

If you receive SNAP, SSI, Medicaid, or TANF, bring your current benefit award letter. It may allow the agency to verify income eligibility without requiring additional documentation.

How to Apply: A Step-by-Step Overview

WAP does not have a single national application portal. The process runs entirely through state and local agencies. Here is how to navigate it:

Step 1: Locate Your Local Weatherization Agency Visit the DOE's state contact directory at https://www.energy.gov/scep/wap/weatherization-assistance-program or contact your state energy office directly. You can also dial 211 — the United Way's free helpline — to be connected with community action agencies that administer WAP in your area.

Step 2: Ask About Waitlists Before You Do Anything Else Many local agencies are managing waitlists, particularly following the surge in applications tied to the Bipartisan Infrastructure Law funding. When you first contact an agency, ask: - Is there currently a waitlist, and how long is the estimated wait? - Can I get on the waitlist now while I gather my documents? - Are there priority categories that might move my application forward?

Step 3: Submit Your Application Complete the application provided by your local agency. Some agencies accept applications online; others require in-person visits or mail submission. Note: If you submit a form or provide contact information to a local agency, you may be consenting to be contacted by that agency regarding your application status. Review any consent language on the form before submitting.

Step 4: Schedule a Free Home Energy Audit If your application moves forward, an energy auditor will visit your home to assess which improvements are appropriate. This audit is free and typically takes one to two hours. The auditor may use diagnostic equipment such as a blower door test to measure air leakage.

Step 5: Weatherization Work Is Completed Approved work is performed by trained contractors coordinated through your local agency. Timelines vary — some households receive services within weeks of approval; others may wait several months depending on contractor availability and local funding levels.

Step 6: Post-Completion Inspection After work is finished, a quality control inspector typically reviews the improvements to confirm they meet program standards. This inspection is part of the program and is not a cost to you.

How WAP Relates to LIHEAP

The Low Income Home Energy Assistance Program (LIHEAP), administered by the U.S. Department of Health and Human Services (HHS), is a separate but complementary program. LIHEAP helps with utility bill payments and energy crisis situations — such as a shutoff notice or a broken furnace in winter — while WAP focuses on permanent structural improvements designed to lower future energy costs.

Many households explore both programs. If you are applying for WAP, ask your local agency whether you may also be eligible to look into LIHEAP assistance. In many states, the same community action agency administers both programs, which can simplify the process.

Setting Realistic Expectations

WAP is a legitimate, well-established federal program with a nearly 50-year track record. That said, it has real constraints. Funding is finite, waitlists are common in many states, and not every home qualifies for every type of improvement. Renters face additional hurdles when landlords are unresponsive or unwilling to sign required agreements.

For households that do receive services, the long-term reduction in energy costs can be meaningful and lasting — and the improvements remain in place even if the household's income or circumstances change later.

If you are unsure where to start, calling 211 or visiting Benefits.gov (https://www.benefits.gov) can help you identify WAP providers and related energy assistance programs available in your state.

Program eligibility and availability vary by state. Not affiliated with any government agency.

Last reviewed: July 2025