Contractor's Guide to Success

Select the section applicable to your current situation, depending on whether you have an existing contracting business ready for growth or are just getting started.

Growing Your Business

Chapter 3. Application

Now, let’s talk about how you can apply to become a contractor performing work in the Weatherization Assistance Program. The application requirements will be different in each state, and sometimes different for each local provider in the state. But no matter where you are, there are many common things you’ll be asked about during the application process. This section is designed to provide you with an overview of some of the documents and information you will likely need to have on hand to take the next step.

What you’ll need may include references and testimonials; proof that you have a registered business; the right licenses, insurance, and certifications; a brief company description; and evidence that you have the necessary equipment and tools. You’ll also need to fill out an application form, or a bid package, and complete any required program or contract documentation. Being well-prepared and keeping everything organized during this phase will help you get up and running quickly as a weatherization contractor.

References & Testimonials

Getting good reviews from clients is important when you’re just starting as a weatherization contractor. It helps show that you’re good at what you do and that people can trust you. When you have these positive comments from past clients, it can help you get on the Weatherization Assistance Program Contractor list and make your weatherization business successful and well respected.

Prequalification Documents

You will need to submit prequalification documents, such as proof of business registration, licenses, insurance coverage, and certifications (e.g., BPI’s Air Leakage Control Installer Certification).

Technical Expertise

You may need to demonstrate your technical expertise in weatherization measures, energy efficiency improvements, and building science principles.

Capacity Assessment

The program administrators may assess your capacity to handle weatherization projects, including the availability of skilled workers, equipment, and resources.


A Weatherization Assistance Program contractor application is the formal process through which contractors apply to become a certified weatherization contractor under the Weatherization Assistance Program.

Contractual Agreement

Successful applicants may need to sign a contractual agreement with the Weatherization Assistance Program, outlining your responsibilities, obligations, and expectations as a certified weatherization contractor. 

Connect Now

You can locate your local Weatherization Assistance Program provider by finding your state page on Green Workforce Connect

Currently, providers are listed in Oklahoma, Wisconsin, and Pennsylvania. Green Workforce Connect will be expanded to be a nationwide resource in the fall of 2024. 

Contractors in other areas can find state-level Weatherization Assistance Program contacts for the program on the U.S. DOE website. From those links, you can find local weatherization contacts in your area.