Fall arrives early in the Pacific Northwest, and most Seattle-area homeowners start thinking about their heating systems right around the time mornings turn cool. If you’re planning a heat pump installation before winter, 2026 looks meaningfully different from prior years. The federal tax credit that helped justify the investment is gone, new contractor requirements are in effect, and one major bonus rebate has a September 30 deadline that’s closer than it looks.
We’ve been helping Puget Sound homeowners navigate heating upgrades since 1987, and this year’s rebate picture rewards people who understand the details before they sign anything. Here’s what’s actually available, what’s expired, and how to make sure you don’t leave money on the table.
Why 2026 Is a Different Rebate Year for Seattle Homeowners
The biggest change: the federal Section 25C residential energy tax credit, which offered a $2,000 credit for qualifying heat pump installations, expired on December 31, 2025. The One Big Beautiful Bill Act, signed July 4, 2025, terminated it with no replacement for installations completed in 2026. If you’re budgeting based on that credit, remove it from the calculation.
The good news is that state and utility programs are still active. Washington’s state HEAR program, funded at approximately $103.6 million through the Climate Commitment Act, is currently accepting applications for households at or below 150 percent of Area Median Income (AMI). King County residents apply through United Hub at wahear.com. Meanwhile, heat pump adoption continues to accelerate: in 2024, heat pumps accounted for 81 percent of home heating system upgrades in Seattle, installed four times as often as oil or gas furnaces.
First: Which Utility Serves Your Home?
Before evaluating any rebate program, you need to know which utility supplies your electricity. Homeowners inside Seattle city limits are served by Seattle City Light (SCL). Homeowners in surrounding communities (including Bellevue, Renton, Kent, and Everett) are served by Puget Sound Energy (PSE). These are entirely separate utilities running entirely separate rebate programs with different dollar amounts, different eligibility rules, and different application mechanics. The simplest way to confirm is to check your electricity bill.
Seattle City Light Rebates: What SCL Customers Can Claim
SCL delivers heat pump rebates as contractor instant discounts applied at the distributor level, not as post-installation mail-in rebates. The rebate amount ranges from $300 to $600 depending on the HSPF2 efficiency rating (a standardized measure of heating efficiency under the current federal testing protocol) of the installed unit. DIY installations are ineligible; the discount flows through the contractor.
If your home currently uses oil heat, the Seattle Clean Heat Program adds significant value. A qualified heat pump conversion earns a $2,000 instant rebate. Households earning between 81 and 150 percent AMI can add a $4,000 bonus on top of that, bringing the total to $6,000. That bonus applies only to installations completed by September 30, 2026, which makes late summer the critical action window for oil-heated households.
Households below the lower AMI threshold may qualify for something more substantial: a no-cost heat pump conversion through the Seattle Office of Housing Clean Heat program. The HomeWise Program can also layer in insulation upgrades at no cost for eligible participants. If your household income may fall in that range, it’s worth confirming eligibility before committing to any paid installation.
Puget Sound Energy Rebates: What PSE Customers Can Claim
PSE offers $1,500 for replacing electric resistance heating with a qualifying air-source heat pump. Income-qualified customers can receive $2,400 through the Efficiency Boost tier of the same program. For income-qualified customers switching from natural gas to a heat pump, PSE offers up to $4,000 as a fuel switching incentive.
There’s a requirement that took effect this year and that competing guides have missed: starting April 2, 2026, all PSE rebate-eligible installations must be performed by a PSE Trade Ally or Registered Energy Professional. Using a contractor who isn’t enrolled in the PSE Trade Ally Network disqualifies the rebate entirely, regardless of how well the installation goes. That makes contractor selection a rebate eligibility question, not just a quality question.
PSE rebates are post-installation, and the application must be submitted within 60 days of the installation date. Documentation required includes the contractor invoice, equipment model numbers, and the AHRI certificate confirming the unit meets the minimum SEER2 and HSPF2 efficiency ratings for the program.
Stacking Rebates: How Programs Can Combine
Several programs can be combined, and for income-qualified households, the total savings can be substantial. Washington’s state HEAR program stacks with utility rebates, meaning an income-qualified SCL customer converting from oil could combine the Clean Heat rebate with state HEAR benefits to significantly reduce out-of-pocket costs. Confirm stacking eligibility with each program administrator before signing a contract. That’s the right sequence.
One program to leave out of your planning: the federal HARP program, which would offer up to $8,000 for households below 80 percent AMI, hasn’t launched as of 2026. There’s no confirmed timeline, and it won’t be retroactive. Building a budget around a program that doesn’t yet exist is a risk no homeowner needs to take.
Don’t Miss the Fall Deadline
The September 30, 2026 cutoff for the Clean Heat Program bonus rebate is the most time-sensitive item on this list. That’s the deadline for oil-to-heat-pump conversions to qualify for the $4,000 bonus available to households earning between 81 and 150 percent AMI. Installations need to be complete (not just scheduled) by that date. PSE customers are working on a separate clock: rebate applications must go in within 60 days of installation, and the equipment must meet efficiency minimums at the time of purchase.
The biggest risk in 2026 isn’t the absence of rebates. It’s missing a deadline, using a contractor who isn’t enrolled in the right network, or budgeting for a federal credit that no longer exists. Getting the details right before installation is the difference between thousands of dollars in rebates and none at all.
Our energy consultants can help homeowners sort through exactly this kind of layered picture and handle installation documentation to support the rebate application process. If you’re ready to move before fall, reach out to Brennan Heating, Air Conditioning, Plumbing, and Electrical at (425) 610-9839 to get started with a free estimate.