Weatherization program

What is weatherization?

Weatherization is the modification of buildings and homes to become more energy efficient through conservation measures such as air sealing and adding insulation. All homes are analyzed with the "building as a system" diagnostic approach which examines the house as one working unit to ensure safety and maximize energy efficiency. Weatherization improvements create a more safe and comfortable living space as well as lower utility bills.

Benefits of Weatherization

Personal savings

Health and safety



Statistical Sources: U.S. Energy Information Administration,, and Commission on Economic Opportunity, Weatherization.


To qualify for the Weatherization Program applicants must live in Kittitas County and meet certain income guidelines. Please call the HopeSource office at 509.925.1448 for more information.

If you do not qualify for weatherization services, please check out our Conservation Services page to see what else might be available to you to help save money and energy in your home.

Selection process

Weatherization projects are selected based on when you applied, the condition of the home, eligibility/priority status, and available funds.

What happens during a typical weatherization project?

In-home energy assessment

The first step for weatherizing a home is a free in-home energy assessment. HopeSource staff members will visit a client's home to discuss current energy usage and look for low-cost/no cost ways to cut back on bills. The home will then be evaluated for more weatherization services.

Energy audit

If the home is selected as a weatherization candidate, HopeSource auditors will return to do a technical and in depth inspection using advanced tools such as the blower door (pictured) and infrared camera to find air leakage, spot potential safety hazards, and pinpoint the best possible weatherization measures to create an individualized, safe, and efficient scope of work.

An initial assessment and an audit do not guarantee HopeSource will be able to work on your home. The condition of the home, cost efficiency, durability of project and health and safety issues play a large role in the decision making process. A few examples of factors that could potentially prevent HopeSource from selecting your home for a weatherization project are roof leaks, electrical problems, electrical problems, excessive mold, asbestos, lead paint, poor structural integrity and inability to cooperate.

Typical measures

If HopeSource selects your home as a weatherization project there are a number of retrofits possible, depending on the distinct needs of each home. Some possible measures include:

Adding insulation to floors, attics, and walls
Sealing and insulating duct systems
Installing controlled ventilation
Weather-stripping doors
Caulking window and plumbing penetrations
Inspecting and repairing heating systems
Pressure balancing
Blown fiberglass attic insulation
Cleaned and sealed duct register
Floor and duct insulation

HopeSource is not a home repair program. For work to be performed, you and/or your landlord are responsible for the maintenance, structural integrity, and safety of the home. Incidental repairs necessary for the effective performance or preservation of weatherization materials can be made but must be able to pay for themselves in energy savings.

Frequently asked questions about weatherization services

Please refer to our FAQ page for more information.

Tips for saving energy and money

Where does your money go?

Please see the conservation services page for more information.