Replacement Windows in Utah

Rebates & incentives

The federal window tax credit (25C) ended for projects placed in service after December 31, 2025. If your windows were installed in 2025, you can still claim it on your 2025 return — but for new projects there is no federal window credit. State and utility programs are now the main source of window incentives.

The Utah Office of Energy Development was approved for about $101 million in IRA Home Energy Rebate funding, but the programs were not yet available to consumers as of mid-2026 amid federal funding uncertainty — confirm current status with OED before counting on these rebates.

• Rocky Mountain Power wattsmart Homes. Rocky Mountain Power's wattsmart Homes program pays per-window incentives for replacement windows in existing electrically heated or cooled homes, but the bar is high — ENERGY STAR windows with a very low U-factor (around 0.22 or lower) are required, and rates were restructured in early 2026. (Rocky Mountain Power wattsmart Utah incentive lists)
• Enbridge Gas (formerly Dominion Energy) ThermWise Weatherization. The ThermWise program offers per-square-foot rebates for qualifying replacement windows in existing gas-heated homes, with the same stringent low U-factor requirement; it runs independently of wattsmart, so eligible homeowners may be able to use both. (ThermWise program pages; Utah Clean Energy utility rebate summaries)

Energy code

Utah enforces a statewide energy code based on the 2021 IECC with state amendments, so permitted window replacements in its cold mountain climate zones must meet modern low U-factor requirements.

Local market research in Utah

• Replacement windows in Salt Lake City, UT covers costs, codes, rebates, and local FAQs.
• Replacement windows in Ogden, UT covers costs, codes, rebates, and local FAQs.
• Replacement windows in Provo, UT covers costs, codes, rebates, and local FAQs.