Window Replacement Savings in 2026: Every Utah Rebate, Credit, and Financing Option

If you have been researching window replacement in Utah and counting on the federal tax credit to offset your costs, you need to know about a major change: the Section 25C Energy Efficient Home Improvement Credit expired on December 31, 2025. That $600-per-year federal credit that made window replacement more affordable is no longer available for projects completed in 2026.

But that does not mean savings have disappeared. Utah homeowners still have access to utility rebates, innovative financing programs, manufacturer promotions, and contractor seasonal deals that can reduce your window replacement costs by 15% to 30%. This guide covers every program available in 2026, how to qualify, and how to combine them for maximum savings.

If you installed windows in 2025 and have not yet filed your tax return, you can still claim the federal credit for that tax year. See our guide to the expired federal tax credit and what you can still claim for details.

The Big Change in 2026: Federal Tax Credit Expiration

The Energy Efficient Home Improvement Credit (Section 25C of the Internal Revenue Code) provided a 30% credit on the cost of qualifying energy-efficient windows, up to $600 per year. This credit was part of the Inflation Reduction Act and was available for tax years 2023 through 2025.

As of January 1, 2026, this credit is no longer available. Here is what that means in practical terms:

• Windows installed in 2025: Still eligible. Claim the credit on your 2025 federal tax return using IRS Form 5695.
• Windows installed in 2026 or later: Not eligible. The credit does not apply regardless of when you purchased or ordered the windows.
• Windows ordered in 2025 but installed in 2026: Not eligible. The IRS required installation to be completed in the tax year you claim the credit.

This is a significant loss for Utah homeowners. On a typical 10-window project costing $4,500 to $6,500, the federal credit would have saved $600. On larger projects split across two tax years, homeowners could claim up to $1,200.

What About a Congressional Extension?

As of February 2026, there is no pending legislation to extend or reinstate the Section 25C credit for windows. While Congress has extended energy credits in the past, there is no guarantee this will happen again. We recommend planning your 2026 project based on the incentives that are currently available rather than waiting for a potential extension that may not materialize.

What Utah Homeowners Can Still Claim in 2026

Even without the federal tax credit, several meaningful savings programs remain:

Program	Type	Typical Savings (10 Windows)	Status
Rocky Mountain Power Wattsmart	Utility rebate	$200-$540	Active
Dominion Energy ThermWise	Utility rebate	$150-$400	Active
PACE Financing	Zero-down financing	Eliminates upfront cost	Active in select areas
Manufacturer promotions	Point-of-sale discount	$100-$300	Seasonal
Contractor off-season deals	Installation discount	$100-$600	November-February
Municipal utility rebates	Utility rebate	Varies	Check your provider

The key insight for 2026 is that stacking becomes even more important. Without the federal credit as your anchor incentive, you need to be more strategic about combining every available program. Our stacking guide for 2026 walks through this process step by step.

Rocky Mountain Power Wattsmart Window Rebates

Rocky Mountain Power's Wattsmart program is the largest single incentive available to most Utah homeowners in 2026. It offers cash rebates based on the energy performance of your new windows, measured by the glass area and U-factor.

Rebate Tiers

U-Factor Rating	Rebate per Square Foot	Typical per Window (15 sq ft)
0.22 or lower	$3.00	$45
0.23 to 0.25	$2.00	$30

How to Qualify

Your windows must meet these requirements:

• Energy Star certified for the Northern Climate Zone (Zone 5, which covers all of Utah)
• NFRC rated with a certified U-factor at or below 0.25
• Professionally installed by a licensed contractor
• Replacing existing windows in a home served by Rocky Mountain Power

Application Process

1. Complete your window installation with a licensed contractor
2. Collect your NFRC labels, contractor invoice, and proof of Rocky Mountain Power account
3. Submit your application through the Wattsmart online portal within 90 days of installation
4. Receive your rebate as a check or bill credit within 4 to 8 weeks

For the complete application walkthrough, see our Rocky Mountain Power rebate guide.

Pro Tips for Maximizing Your Wattsmart Rebate

• Choose windows with a U-factor of 0.22 or lower to qualify for the higher $3/sq ft tier. The price difference between 0.24 and 0.22 U-factor windows is often only $10 to $25 per window, but the rebate difference is $15 per window on a 15-square-foot window.
• Measure your glass area accurately. The rebate is based on glass area, not total window size. Larger windows yield larger rebates.
• Apply promptly. The 90-day application window is strict. Set a calendar reminder for 60 days post-installation.

Dominion Energy ThermWise Rebates

If your home uses Dominion Energy (Questar Gas) for natural gas heating, you may qualify for ThermWise rebates on windows. These rebates focus on reducing heating energy consumption and complement the Rocky Mountain Power electric rebates.

What ThermWise Offers

• Rebates for windows that reduce heating load in homes heated by natural gas
• Typical value: $1 to $2 per square foot of qualifying window area
• Qualification: Energy Star certified windows with U-factor of 0.25 or lower

Important Note

ThermWise rebate amounts and availability can change. Check the current program details at thermwise.com before planning your project around these rebates. The program has adjusted its offerings several times in recent years.

Double-Dipping Is Allowed

You can claim both a Rocky Mountain Power Wattsmart rebate (for electric savings) and a Dominion Energy ThermWise rebate (for gas savings) on the same windows. These programs address different energy sources and do not conflict with each other.

PACE Financing: Zero Down, Property Tax Repayment

Property Assessed Clean Energy (PACE) financing is one of the most innovative options available to Utah homeowners in 2026. It eliminates the upfront cost of window replacement entirely and allows you to repay the investment through your property tax bill over 10 to 25 years.

How PACE Works

1. You apply through an approved PACE provider in your area
2. Your home is assessed for eligibility based on property value and equity
3. The PACE provider pays your contractor directly for the window installation
4. You repay through a voluntary special assessment added to your annual property tax bill
5. The assessment transfers with the property if you sell your home

PACE Advantages

• No money down: The full project cost is financed
• No credit score requirement: Qualification is based on property equity, not personal credit
• Long repayment terms: 10, 15, 20, or 25 years depending on the program
• Potential tax benefit: The interest portion of PACE assessments may be deductible as a property tax expense (consult your tax advisor)
• Transferable: If you sell your home, the remaining balance transfers to the new owner

PACE Considerations

• Interest rates are typically 6% to 9%, which is higher than home equity loans but lower than credit cards or personal loans
• Not available everywhere: PACE programs require local government authorization. Check whether your Utah municipality has opted in
• Lender consent: Your mortgage lender must agree to the PACE assessment being added to your property tax bill. Some lenders are resistant to this

For a complete guide to PACE financing in Utah, including which municipalities participate and how to apply, see our PACE financing guide.

Municipal and Co-op Utility Programs

Beyond Rocky Mountain Power and Dominion Energy, several Utah municipal utilities and co-ops offer their own energy efficiency rebate programs.

Utah Municipal Utilities

• Provo City Power: Offers rebates for energy-efficient home improvements including windows. Check with their conservation department for current program details.
• Murray City Power: Has offered window rebates in past program years. Contact their energy services department.
• St. George Energy Services: Southern Utah homeowners should check for available cooling-focused window rebates.

Rural Electric Co-ops

• Moon Lake Electric: Serves the Uintah Basin area and has historically offered energy efficiency incentives
• Garkane Energy: Serves parts of southern and central Utah
• Dixie Power: Serves Washington and Iron counties

How to Find Your Program

If you are unsure which utility serves your home, check your electric bill. The utility name appears on the bill header. Then search "[utility name] energy efficiency rebates" or call their customer service line to ask about current window rebate programs.

Manufacturer and Contractor Seasonal Deals

With the federal tax credit gone, manufacturer promotions and contractor seasonal pricing become even more important in your savings strategy.

Manufacturer Promotions

Major window manufacturers run periodic promotions that reduce your per-window cost:

• Spring promotions (March through May): Manufacturers push inventory ahead of the busy summer season. Typical savings: $10 to $30 per window.
• Fall clearance (September through November): End-of-model-year deals can yield deeper discounts, especially on prior-year models that are being replaced.
• Buy-more-save-more: Some manufacturers offer tiered discounts. For example, 5% off 8 or more windows, 10% off 12 or more.

Contractor Off-Season Pricing

This is often the single largest savings opportunity in 2026, and it is one that many homeowners overlook:

• Winter months (December through February) are the slow season for window installers in Utah. Demand drops significantly because most homeowners assume cold weather is a bad time for installation.
• Reality: Modern window installation can be done year-round. Professional crews use weather barriers and sealant formulations designed for cold-weather application. A window swap takes 30 to 60 minutes per opening, and your home is never left exposed.
• Typical winter discounts: 5% to 15% off the project total, or equivalent value in upgrades (free triple-pane upgrade, free Low-E coating, etc.)
• Faster scheduling: Winter installations often have 1 to 2 week lead times compared to 4 to 8 weeks during peak season.

For detailed guidance on timing your project, read our best time to replace windows in Utah article.

How to Stack Every Available Savings Program

Stacking means combining multiple savings programs on the same project. In 2026, without the federal tax credit, a strategic stacking approach is essential.

2026 Stacking Scenario: 10-Window Project

Here is a realistic example for a Salt Lake Valley homeowner replacing 10 double-hung windows with triple-pane vinyl (U-factor 0.20):

Savings Layer	Calculation	Amount
Base window cost	10 windows x $520 each	$5,200
Rocky Mountain Power Wattsmart	10 x 15 sqft x $3/sqft	$450
Dominion Energy ThermWise	10 x 15 sqft x $1.50/sqft	$225
Manufacturer spring promotion	10 x $20/window	$200
Contractor winter scheduling discount	8% off project	$416
Total savings		$1,291
Effective cost		$3,909 (25% off)

Comparison: 2025 vs 2026 Savings

To put the federal credit expiration in context, here is how 2026 stacking compares to what was available in 2025:

Savings Component	2025	2026
Federal tax credit (Section 25C)	$600	$0 (expired)
Rocky Mountain Power Wattsmart	$450	$450
Dominion Energy ThermWise	$225	$225
Manufacturer promotion	$200	$200
Contractor off-season discount	$416	$416
Total	$1,891	$1,291

The difference is $600, which is real money. But the remaining $1,291 in savings is still substantial and worth pursuing. And unlike the federal credit, which required you to have sufficient tax liability and wait until you filed your return, all of the 2026 savings programs put money back in your pocket immediately or within weeks.

Financing Options Beyond Rebates

Even after stacking all available savings, a window replacement project is a significant investment. Here are your financing options in 2026:

PACE Financing

As described above, PACE eliminates the upfront cost and allows repayment through your property tax bill. Best for homeowners who want zero out-of-pocket cost and have sufficient home equity. See our PACE financing guide.

Home Equity Line of Credit (HELOC)

• Interest rates: Typically 7% to 10% (variable)
• Advantages: Interest may be tax-deductible for home improvement use. Lower rates than personal loans.
• Disadvantages: Uses your home as collateral. Variable rates can increase over time.

Contractor Financing

Many Utah window contractors offer in-house financing through lending partners:

• Promotional periods: 0% interest for 12 to 24 months is common
• Standard rates: 8% to 15% APR after the promotional period
• Advantages: Easy application at the point of sale. No home equity required.
• Disadvantages: Higher long-term interest rates if you do not pay off during the promotional period.

Personal Loans

• Interest rates: 8% to 18% depending on credit score
• Advantages: No home equity required. Fixed rates and payments.
• Disadvantages: Higher rates than HELOC or PACE.

Credit Cards

Generally not recommended for window replacement due to high interest rates (18% to 25%), but a 0% introductory APR card can work if you can pay the balance in full within the promotional period (typically 15 to 21 months).

For a comprehensive comparison of all financing options, see our window replacement financing guide.

Your 2026 Savings Action Plan

Here is a step-by-step plan to maximize your savings on a 2026 window replacement project:

Step 1: Verify Your Utility Providers

Identify your electric and gas utility companies. This determines which rebate programs you can access. Most Wasatch Front homeowners have Rocky Mountain Power (electric) and Dominion Energy (gas).

Step 2: Check Current Rebate Programs

Visit your utility's rebate portal and confirm the current program details, rebate amounts, and application deadlines. Programs can change mid-year.

Step 3: Research PACE Availability

Check whether your municipality has authorized PACE financing. If so, get pre-qualified before getting window quotes so you know your financing options.

Step 4: Get Quotes During Off-Season

Request quotes from three or more contractors during the November through February window for the best pricing. Ask specifically about off-season discounts and promotions.

Step 5: Ask About Manufacturer Promotions

When getting quotes, ask each contractor which manufacturer promotions are currently running or upcoming. Some promotions are only available through specific dealers.

Step 6: Choose Windows That Maximize Rebates

Select windows with a U-factor of 0.22 or lower to qualify for the highest Rocky Mountain Power rebate tier. The small incremental cost is usually offset by the higher rebate.

Step 7: Complete Installation and Apply for Rebates

After installation, immediately apply for all applicable utility rebates. Do not wait. The 90-day application window for Wattsmart rebates is strict.

Step 8: Claim Any Remaining 2025 Credits

If you had any qualifying energy improvements done in 2025 that you have not yet claimed, file your 2025 tax return with IRS Form 5695 to capture the federal credit for that year.

What Changed: 2025 vs 2026 Savings Breakdown

Understanding the full picture of what was lost and what remains helps you set realistic expectations for your 2026 project.

The 2025 Incentive Stack (No Longer Fully Available)

In 2025, a Utah homeowner replacing 10 windows could stack these programs:

1. Federal Section 25C credit: 30% of window costs, up to $600/year. This was the anchor incentive.
2. Rocky Mountain Power Wattsmart: $2-$3/sqft. Still available.
3. Dominion Energy ThermWise: $1-$2/sqft. Still available.
4. Manufacturer promotions: $10-$30/window. Still available.
5. Contractor discounts: 5-15% off-season. Still available.

Total potential savings in 2025: $1,500-$2,500 on a $5,500 project (27-45%).

The 2026 Reality

Remove the $600 federal credit from the equation, and you are left with:

• Total potential savings in 2026: $800-$1,900 on the same $5,500 project (15-35%).

The gap is real but not devastating. And there is an important silver lining: the remaining 2026 savings programs are all immediate. The federal credit required you to wait until you filed your tax return (up to 16 months after installation) and required sufficient tax liability to use it. Utility rebates arrive in 4-8 weeks, contractor discounts reduce your invoice on day one, and manufacturer promotions lower the purchase price at the point of sale.

Energy Bill Savings Are the Great Equalizer

Regardless of which incentive programs are available, new windows save you money every single month through reduced energy consumption. The Department of Energy estimates $101-$583 per year in energy savings from Energy Star windows. Over 10 years, that is $1,010-$5,830, which far exceeds any one-time incentive program. The incentive landscape may shift, but the physics of heat transfer and energy efficiency do not change.

Choosing Windows That Maximize Your 2026 Rebate Value

Since utility rebates are your primary incentive in 2026, choosing the right windows matters more than ever:

Target U-Factor 0.22 or Lower

The difference between Rocky Mountain Power's $2/sqft and $3/sqft tier is entirely based on U-factor. Windows with a U-factor of 0.22 or lower qualify for the $3 tier. On a 10-window project with 15 square feet of glass per window, the difference is:

• Tier 2 (U-factor 0.23-0.25): 10 x 15 x $2 = $300
• Tier 1 (U-factor 0.22 or lower): 10 x 15 x $3 = $450
• Difference: $150 more in rebates

The cost premium for U-factor 0.22 versus 0.24 windows is typically $10-$25 per window, or $100-$250 for 10 windows. In most cases, the higher rebate tier more than pays for the better windows. You get superior energy performance and a bigger rebate check.

Consider Triple-Pane for Maximum Performance

Triple-pane windows achieve U-factors of 0.18-0.22, easily qualifying for the highest rebate tier while providing the best possible energy performance. They cost more upfront ($500-$650 per window versus $300-$500 for double-pane), but the combination of higher rebates and greater energy savings often makes the premium worthwhile, especially in Utah's cold winters.

NFRC Label: Your Proof of Qualification

Every qualifying window has a National Fenestration Rating Council (NFRC) label showing its certified performance ratings. This label is required for rebate applications. Photograph it before installation, as contractors sometimes remove labels during the process.

Looking Ahead: Will Federal Credits Return?

While there is no active legislation to reinstate the Section 25C window credit as of February 2026, energy efficiency incentives have historically enjoyed bipartisan support in Congress. The credit has been extended multiple times in the past, most recently through the Inflation Reduction Act.

If you are considering delaying your project in hopes of a federal credit reinstatement, here are some factors to weigh:

• No guarantee: There is no pending bill or timeline for reinstatement
• Utility rebate programs can change too: The rebates available today may not be available next year
• Energy costs continue to rise: Every month with old, inefficient windows costs you money on utility bills
• Comfort is immediate: Drafty, condensation-prone windows affect your daily quality of life now

Our recommendation: if your windows need replacing, do not wait for a hypothetical federal credit. Use the programs available today, time your project strategically, and start saving on energy bills immediately.

For a detailed breakdown of what the expired federal credit covered and how to claim it for 2025 installations, read our complete federal tax credit expiration guide. To understand how PACE financing works as an alternative to tax credits, see our PACE financing guide. And for a step-by-step walkthrough of combining every available program, visit our 2026 savings stacking guide.

The landscape has changed, but savings are still on the table. You just need to know where to find them.