Oglethorpe, Georgia HVAC Climate Zone

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

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

Oglethorpe HVAC Contractors: Get Your Free Manual J Report

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

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Verify Your Oglethorpe ZIP Code

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

Oglethorpe covers 6 ZIP codes: 30619, 30627, 30630, 30648, 30667, 30671

Oglethorpe Design Temperatures

Official ASHRAE design temperatures for Oglethorpe, 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 Oglethorpe 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 Oglethorpe

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 Oglethorpe

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Oglethorpe design temps
Zone 3A compliant
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