Red River, Texas HVAC Climate Zone

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

Climate Zone
3A
Winter Design
22°F
Summer Design
94°F
ZIP Codes
6

Red River HVAC Contractors: Get Your Free Manual J Report

Climate Zone 3A requires precise load calculations. Upload your Red River blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Red River's exact design temperatures (22°F winter / 94°F summer).

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Verify Your Red River ZIP Code

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

Red River covers 6 ZIP codes: 75412, 75417, 75426, 75436, 75550, 75554

Red River Design Temperatures

Official ASHRAE design temperatures for Red River, 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 Red River 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: 2021 IECC

Recommended HVAC Equipment for Red River

Heating Systems

Gas furnace
Heat pump
Typical AFUE
90-95%

Cooling Systems

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

Get Free Manual J Calculations for Red River

Upload your Red River blueprint and get a professional Manual J load calculation using official Zone 3A design temperatures. First report is FREE.

Red River design temps
Zone 3A compliant
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