D65 – Weatherization and Energy Conservation

What is D-65?

Contractors with a D65 license specialize in weatherization and energy conservation services. They play a crucial role in improving the energy efficiency of buildings and reducing energy costs.

Services You Can Provide:

  • Weatherization

  • Insulation installation

  • Energy audits

Image

General A

Engineering

Image

General B

Building

Image

C-2

Insulation and Acoustical Contractor

Image

C-4

Boiler, Hot Water Heating, Steam Fitting

Benefits:

Hiring a licensed D65 contractor ensures that buildings are properly weatherized and insulated, reducing energy waste and lowering utility bills.

Certification Process:

To obtain a D65 license, contractors must meet specific experience and training requirements and pass a licensing exam that tests their knowledge of weatherization and energy conservation techniques.

Contractor Starter KIT

Anyone looking to obtain their Contractor’s License. By far, the best guidance for any contractor looking to initiate their licensing process.

Office Hours

  • +1 (866) 479-3232

Monday - Friday 10:00am - 6:00pm 

Copyright © 2025, Every Contractors Foundation