Nassau, Florida HVAC Climate Zone

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

Climate Zone
2A
Winter Design
32°F
Summer Design
95°F
ZIP Codes
5

Nassau HVAC Contractors: Get Your Free Manual J Report

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

Claim Free Report
No credit card required

Verify Your Nassau ZIP Code

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

Nassau covers 5 ZIP codes: 32009, 32011, 32034, 32046, 32097

Nassau Design Temperatures

Official ASHRAE design temperatures for Nassau, 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 Nassau 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: 2021 IECC

Recommended HVAC Equipment for Nassau

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

Get Free Manual J Calculations for Nassau

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

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

Join 10,000+ Nassau contractors who trust AutoHVAC