All of Delaware · Free service
Weatherization Assistance Program (WAP)
Run by DNREC Division of Climate, Coastal and Energy (State Energy Office)
Free home energy assessment and weatherization (air sealing, insulation, duct sealing, pipe and water heater insulation) for income-eligible Delaware homeowners and renters.
Amounts
How much you get
All work is free. The measures depend on the home energy assessment.
Eligibility
Do I qualify?
You need to meet all 3 of these.
Your home is in Delaware.
Household income at or below DNREC's limit for your household size, for example $66,000 for a household of 4.
People in your home Income at or below 1 $31,920 2 $43,280 3 $54,640 4 $66,000 5 $77,360 6 $88,720 7 $100,080 8 $111,440 Add $11,360 for each extra person.
Homeowners and renters can both apply.
Equipment
What equipment counts
Applying
How to apply
You apply by phone.
- Call the Energy Coordinating Agency.
Call 302-504-6111 to set up an appointment, and have your income documents ready.
- Get on the waiting list.
Eligible households are placed on a waiting list prioritized by need, age and special needs of residents, and funding. If you aren't served within 12 months, reapply to verify your income.
- Home energy assessment.
- Contractor installs the recommended measures.
An adult (18 or older) must be home each time contractors are there.
- Final quality control inspection.
Questions about applying302-504-6111 or DNREC.WAP@delaware.gov
Stacking
Use it with
Your address
Next steps
Check that it covers your address. Then, if you want, ask for a contractor quote.
Is it available at your address?
Before anything else
Your quote request is in If a contractor we work with serves your ZIP, they can contact you. We take one request per person; contact us to change it.
Get an email if this program changes
We'll write if its amount, status or deadline changes. Nothing else.
FAQ
Questions
How much does Weatherization Assistance Program (WAP) pay?
Work done at no cost. All work is free. The measures depend on the home energy assessment.
Is there an income limit?
Household income at or below DNREC's limit for your household size, for example $66,000 for a household of 4.
Do renters qualify?
Homeowners and renters can both apply.
Is it still available?
Yes. It was open when we last checked, on October 25, 2026.
Will weatherization replace my furnace or windows?
Usually not. DNREC says the program does not routinely replace windows, doors or furnaces, and it does not install, service or repair air conditioners.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
When one of these pages changes, we re-check this page against it.
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