Climate ZonesFloridaMiami-Dade

Miami-Dade, Florida HVAC Climate Zone

Miami-Dade is located in IECC Climate Zone 1A (Very Hot - Humid). Get accurate Manual J load calculations with official design temperatures for Miami-Dade.

Climate Zone
1A
Winter Design
44°F
Summer Design
94°F
ZIP Codes
16

Miami-Dade HVAC Contractors: Get Your Free Manual J Report

Climate Zone 1A requires precise load calculations. Upload your Miami-Dade blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Miami-Dade's exact design temperatures (44°F winter / 94°F summer).

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Verify Your Miami-Dade ZIP Code

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

Miami-Dade covers 16 ZIP codes: 33010, 33012, 33013, 33014, 33015, 33016, 33018, 33030, 33031, 33032 and 6 more

Miami-Dade Design Temperatures

Official ASHRAE design temperatures for Miami-Dade, used for accurate Manual J load calculations.

Winter 99% Design Temp
44°F
Summer 1% Design Temp
94°F
Summer Wet Bulb
78°F

IECC Requirements for Zone 1A

Minimum insulation and window requirements for Miami-Dade 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 Miami-Dade

Heating Systems

Heat pump
Gas furnace (backup)
Electric resistance
Typical AFUE
80-90%

Cooling Systems

High-efficiency AC (16+ SEER)
Heat pump
Typical SEER
15-18 SEER

Related Climate Zone Pages

Learn More About
Climate Zone 1A
View All Zones in
Florida
HVAC Permits for
Miami-Dade, Florida

Get Free Manual J Calculations for Miami-Dade

Upload your Miami-Dade blueprint and get a professional Manual J load calculation using official Zone 1A design temperatures. First report is FREE.

Miami-Dade design temps
Zone 1A compliant
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