Climate ZonesLouisianaDe Soto

What Climate Zone is De Soto, Louisiana?

De Soto is in IECC Climate Zone 3A (Warm - Humid). Get accurate Manual J load calculations with official design temperatures for De Soto.

Climate Zone
3A
Winter Design
22°F
Summer Design
94°F
ZIP Codes
9

De Soto HVAC Contractors: Get Your Free Manual J Report

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Verify Your De Soto ZIP Code

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

De Soto covers 9 ZIP codes: 71027, 71030, 71032, 71046, 71049, 71050, 71052, 71063, 71078

De Soto Design Temperatures

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

Winter 99% Design Temp
22°F
Summer 1% Design Temp
94°F
Summer Wet Bulb
75°F

IECC Requirements for Zone 3A

Minimum insulation and window requirements for De Soto per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-30
Floor Insulation:R-19
Window U-Factor:0.32
Window SHGC:0.25

Energy Code: 2015 IECC

Recommended HVAC Equipment for De Soto

Heating Systems

Gas furnace
Heat pump
Typical AFUE
90-95%

Cooling Systems

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

Related Climate Zone Pages

Learn More About
Climate Zone 3A
View All Zones in
Louisiana
HVAC Permits for
De Soto, Louisiana

Get Free Manual J Calculations for De Soto

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De Soto design temps
Zone 3A compliant
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