Climate ZonesLouisianaVermilion

What Climate Zone is Vermilion, Louisiana?

Vermilion is in IECC Climate Zone 2A (Hot - Humid). Get accurate Manual J load calculations with official design temperatures for Vermilion.

Climate Zone
2A
Winter Design
32°F
Summer Design
95°F
ZIP Codes
8

Vermilion HVAC Contractors: Get Your Free Manual J Report

Climate Zone 2A requires precise load calculations. Upload your Vermilion blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Vermilion's exact design temperatures (32°F winter / 95°F summer).

Claim Free Report
No credit card required

Verify Your Vermilion ZIP Code

Enter your ZIP code to confirm it's in Vermilion and get climate zone details.

Vermilion covers 8 ZIP codes: 70510, 70511, 70528, 70533, 70542, 70548, 70555, 70575

Vermilion Design Temperatures

Official ASHRAE design temperatures for Vermilion, used for accurate Manual J load calculations.

Winter 99% Design Temp
32°F
Summer 1% Design Temp
95°F
Summer Wet Bulb
77°F

IECC Requirements for Zone 2A

Minimum insulation and window requirements for Vermilion per IECC 2021.

Wall Insulation:R-13
Roof/Ceiling:R-30
Floor Insulation:R-13
Window U-Factor:0.4
Window SHGC:0.25

Energy Code: 2015 IECC

Recommended HVAC Equipment for Vermilion

Heating Systems

Gas furnace
Heat pump
Electric resistance
Typical AFUE
80-92%

Cooling Systems

AC (14-16 SEER)
Heat pump
Typical SEER
14-16 SEER

Related Climate Zone Pages

Learn More About
Climate Zone 2A
View All Zones in
Louisiana
HVAC Permits for
Vermilion, Louisiana

Get Free Manual J Calculations for Vermilion

Upload your Vermilion blueprint and get a professional Manual J load calculation using official Zone 2A design temperatures. First report is FREE.

Vermilion design temps
Zone 2A compliant
Ready in 60 seconds
Upload Blueprint → Get Free Report

Join 10,000+ Vermilion contractors who trust AutoHVAC