Door and Window Upgrade

Door and Window Upgrade logo
In older homes, windows and doors tend to be single-paned and uninsulated with deteriorating or minimal weather stripping. Along with uninsulated doors, these can contribute to air leakage and energy loss.

High-performance windows and insulated doors offer energy savings, thanks to energy-efficient technology, as well as protection from water and drafts. All of this means increased comfort in your home and smaller energy bills for years to come.
  • Save energy and money every month.
  • Be more comfortable in your home, no matter the season.
  • Reduce noise and exterior pollutants.

Incentive Information

Replacement windows must be ENERGY STAR® certified with a U-Factor of .30 or lower.
Replacement patio doors must be ENERGY STAR® certified with a U-Factor of .35 or lower.

Click the "Program Details" button to view the list of window and door rebates.
Incentive Information
The following rebates are only available for weatherization measures pre-authorized by Cowlitz PUD and installed by a contractor that is licensed and bonded in the State of Washington. Contact Cowlitz PUD Energy Efficiency Services prior to starting a weatherization project.

STANDARD PROGRAM
Single-Family Homes and Manufactured Homes

Replacement windows: $6.00 per square foot of window replaced
Replacement of uninsulated exterior doors: $40 per door

Multifamily Buildings*
Replacement windows, Multifamily Low-Rise: $12.00 per square foot of window replaced
Replacement windows, Multifamily Mid/High-Rise: $6.00 per square foot of window replaced
Replacement of insulated exterior doors: $40.00 each (for multifamily low-rise buildings only)

WEATHERIZATION ASSISTANCE PROGRAM - INCOME QUALIFIED
Single-Family Homes and Manufactured Homes

Replacement windows: Up to $20 per square foot of window replaced
Replacement of uninsulated exterior doors: Up to $400 per door

Multifamily Buildings*
Replacement windows: Up to $20 per square foot of windows replaced
Replacement of uninsulated exterior doors: Up to $400 per door (for multifamily low-rise buildings only)

*Multifamily Building Definitions:
A Multifamily Low-Rise is a building with five or more dwelling units within the same structure that is no more than three stories high.

A Multifamily Mid/High-Rise is a building with five or more dwelling units within the same structure that is more than three stories high.
Requirements
1. Rebates are only available for weatherization measures pre-authorized by Cowlitz PUD and installed by a contractor that is licensed and bonded in the State of Washington.

2. You must be an active Cowlitz PUD customer served by a residential rate. To be eligible for a rebate, your account must be in good standing. Cowlitz PUD reserves the right to withhold rebate funds and apply to past-due account balance.

3. An energy audit of the building must be completed by Cowlitz PUD prior to installation of weatherization measures.

4. Cowlitz PUD does not offer a rebate for windows and doors installed in garages or shops. Customers who convert a garage or shop area to a living space are required to obtain a permit from Cowlitz County Building and Planning. For this type of project, Cowlitz PUD will offer a rebate after the Certificate of Occupancy is issued by Cowlitz County Building and Planning.

5. The building must have electric heat in at least 50% of the conditioned space (living area). If the home is partially heated by oil, gas, or wood, only the portion of the home with electric heat will qualify.

6. For window replacement: Existing single-family homes, manufactured homes, and multifamily homes are eligible. Existing windows must be single-pane, single-pane with storms, or double-paned metal-frame windows. Replacement windows must have a National Fenestration Rating Council (NFRC)-rated U-Factor of .30 or lower and patio doors must have an NFRC-rated U-Factor of .35 or lower.

7. For exterior door replacement: Existing single-family homes and manufactured homes are eligible. The existing door must be an uninsulated or otherwise thermally substandard exterior door. The replacement door must be a pre-hung door with a threshold and ENERGY STAR certified or NFRC-rated and meet the U-factor and solar heat gain coefficient requirements listed below:
(Based on glazing level; the glazing level refers to the distinction of whether the replacement door is ≤ ½-Lite, which refers to the proportion of the door that is taken up by a window.)
Opaque: U-factor ≤ 0.17
≤ ½-Lite: U-factor ≤ .25 and solar heat gain coefficient ≤ .25
> ½-Lite: U-factor ≤ .30 and solar heat gain coefficient ≤ .40

8. Contractors must comply with Cowlitz PUD’s and Bonneville Power Administration’s installation and material standards and specifications. To assure program standards and specifications are met, all weatherization work must be inspected by the PUD. The contractor selected is the homeowner’s choice, and the work performed is for the homeowner. The PUD merely acts as an agent for the rebate to be provided to the contractor or homeowner.

9. Weatherization Assistance Program: This program provides weatherization to income-qualifying families and is administered by the Lower Columbia Community Action Program (CAP). Qualification is based on the total gross income of the individual(s) living in the home. To qualify for weatherization assistance, Cowlitz PUD must receive status verification from CAP prior to approval of any weatherization work. Contact CAP at (360) 261-6426 for more information.

10. Program requirements and available rebates are subject to change without prior notice.
Steps to Participate
1. Call Energy Efficiency Services to determine eligibility for our program.

2. If one has not been done in the past, schedule an appointment for a PUD energy audit.

3. Request bids from contractors that are licensed and bonded in the state of Washington. We recommend getting at least two bids. You can verify that a contractor is licensed at: https://secure.lni.wa.gov/verify/. Click the “Check It Out” button for tips on selecting a contractor.

4. Call or email Energy Efficiency Services to begin the bid review process. During this process, you will select the contractor of your choice, and an Energy Efficiency staff member will authorize the rebates. Rebates are only available for weatherization measures pre-authorized in writing by Cowlitz PUD.

5. Authorization documents will be sent by the PUD to the homeowner(s) and contractor(s), allowing for those parties to communicate and schedule the pre-authorized weatherization work.

6. Rebates will be issued after the weatherization measure(s) pass a Cowlitz PUD inspection and any inspection required by the city or county.

Contact Cowlitz PUD Energy Efficiency Services at:
(360) 501-9514 • Toll-Free: (800) 631-1131 • Email: eeservices@cowlitzpud.org