Utah climate, wind & energy-code drivers
- ENERGY STAR climate zone: Northern — coldest climates, U-factor priority (U ≤ 0.27 in coldest tier)
- IECC climate zone: 5B-6B
- Maximum U-factor: 0.3 (IECC 2021 + state amendments)
- Maximum SHGC: No limit (cold climate)
- ASCE 7-22 design wind speed: 100 mph (Risk Category II)
- Hurricane impact-rated requirement: No statewide impact-rated requirement
- Dominant residential frame material: Vinyl frame — dominant in most climates, lowest cost-per-window
- Historic-preservation overlay prevalence: Moderate — selected metro historic districts with review
- EPA RRP lead-safe trigger (pre-1978 housing share): Moderate — 20-40% pre-1978 housing share, EPA RRP required on selected replacements
Utah licensing, lead-safe & permits
- License status: Statewide license required
- License board: Utah Division of Occupational & Professional Licensing (DOPL) — General Building Contractor (B-100) license (official site)
- Permit: city or county building permit required for window opening modification; DOPL B-100 license required above $1,000 contract; Wasatch Front fault-zone seismic-detailed window header attachment mandatory on every Salt Lake Valley residential install; Salt Lake County HOA architectural-committee approval common
How window replacement costs vary in Utah
State-specific code or insurance rule: Utah Division of Occupational & Professional Licensing (DOPL) §58-55 requires every Utah window contractor to hold a B-100 General Building Contractor license — one of the lowest-threshold mandatory contractor licensing schemes in the Mountain West at $1,000 contract value, plus Utah is one of the only Mountain West states requiring ASCE 7-22 SDC D1 seismic-detailed window header attachment on every Salt Lake Valley residential install due to Wasatch Fault near-fault design requirements, and the Salt Lake City Historic Landmark Commission separately reviews every window replacement within Salt Lake City's 11 designated local historic districts (Avenues, Capitol Hill, Marmalade, etc.).
Cities in Utah
Compare window replacement pricing for 19 cities across Utah.
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