DC Dept. of Energy & Environment (DOEE)
DC Weatherization Assistance Program (WAP) is available to homeowners and renters in Washington, DC.
DOEE's federally funded Weatherization Assistance Program installs energy-efficiency measures in the homes of income-eligible District residents at no cost. Typical measures include insulation, duct sealing, HVAC repair or replacement, air infiltration mitigation, roof repair, mold remediation, and ENERGY STAR appliances. Households qualify at or below 60% of State Median Income (FY26: $61,841 for 1 person, $118,926 for 4).
Federal average cost per unit is roughly $6,500-$25,000 depending on scope; DC homes average toward the higher end due to labor costs.
Official program page checked live on 2026-06-22.
Data last verified 2026-04-03. How we verify our data.
In Washington, DC, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Washington, DC can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Washington early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Rolling
Ask us. It is free, and a real person answers within a business day.
Email us about this programAverage $6,500-$25,000 per home.
DC Weatherization Assistance Program (WAP) is open to homeowners and renters in Washington, DC. It prioritizes low-income households. It serves seniors.
Apply directly with DC Dept. of Energy & Environment (DOEE) using the official program link on this page or call (202) 299-3316. There is no middleman and no fee.
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
See All Programs