Louisiana climate, wind & energy-code drivers
- ENERGY STAR climate zone: Southern — cooling-dominant, low SHGC priority (U ≤ 0.40, SHGC ≤ 0.25)
- IECC climate zone: 2A-3A
- Maximum U-factor: 0.4 (IECC 2021 + state amendments)
- Maximum SHGC: 0.25
- ASCE 7-22 design wind speed: 150 mph (Risk Category II)
- Hurricane impact-rated requirement: Statewide ASTM E1996 large-missile impact-rated requirement
- Dominant residential frame material: Vinyl frame — dominant in most climates, lowest cost-per-window
- Historic-preservation overlay prevalence: High — multiple state-mapped historic districts with mandatory review
- EPA RRP lead-safe trigger (pre-1978 housing share): Moderate — 20-40% pre-1978 housing share, EPA RRP required on selected replacements
Louisiana licensing, lead-safe & permits
- License status: Statewide license required
- License board: Louisiana State Licensing Board for Contractors — Residential Building Contractor + Specialty Glass and Glazing (official site)
- Permit: city or parish building permit required for window opening modification; LSLBC Residential Building Contractor license required above $75,000; Louisiana Uniform Construction Code (LUCC) hurricane-rated impact-resistant windows mandatory on every coastal-parish residential install; FEMA NFIP base-flood-elevation foundation height required on every coastal-parish install
How window replacement costs vary in Louisiana
State-specific code or insurance rule: Louisiana Uniform Construction Code (LUCC) Title 17 requires every Louisiana coastal residential window installation to comply with the International Residential Code with Louisiana-specific post-Katrina hurricane wind tie-down amendments — every coastal parish (Jefferson, Orleans, Plaquemines, St. Bernard, St. Tammany, Lafourche, Terrebonne, St. Mary, Iberia, Vermilion, Cameron, Calcasieu) requires ASTM E1996 large-missile impact resistance plus AAMA NAFS performance grade rating at 150 mph design wind, with the New Orleans Vieux Carré Commission separately reviewing every French Quarter window replacement to ensure profile, glazing, and shutter-pattern continuity with the surrounding 1718-1859 architectural overlay.
Cities in Louisiana
Compare window replacement pricing for 9 cities across Louisiana.
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