Climate ZonesCaliforniaEl Dorado

El Dorado, California HVAC Climate Zone

El Dorado is located in IECC Climate Zone 4B (Mixed - Dry). Get accurate Manual J load calculations with official design temperatures for El Dorado.

Climate Zone
4B
Winter Design
3°F
Summer Design
92°F
ZIP Codes
22

El Dorado HVAC Contractors: Get Your Free Manual J Report

Climate Zone 4B requires precise load calculations. Upload your El Dorado blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with El Dorado's exact design temperatures (3°F winter / 92°F summer).

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Verify Your El Dorado ZIP Code

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

El Dorado covers 22 ZIP codes: 95613, 95614, 95619, 95623, 95633, 95634, 95635, 95636, 95651, 95664 and 12 more

El Dorado Design Temperatures

Official ASHRAE design temperatures for El Dorado, used for accurate Manual J load calculations.

Winter 99% Design Temp
3°F
Summer 1% Design Temp
92°F
Summer Wet Bulb
62°F

IECC Requirements for Zone 4B

Minimum insulation and window requirements for El Dorado per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-49
Floor Insulation:R-19
Window U-Factor:0.32
Window SHGC:0.4

Energy Code: 2022 Title 24

Recommended HVAC Equipment for El Dorado

Heating Systems

Gas furnace (92%+ AFUE)
Typical AFUE
92-96%

Cooling Systems

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

Related Climate Zone Pages

Learn More About
Climate Zone 4B
View All Zones in
California
HVAC Permits for
El Dorado, California

Get Free Manual J Calculations for El Dorado

Upload your El Dorado blueprint and get a professional Manual J load calculation using official Zone 4B design temperatures. First report is FREE.

El Dorado design temps
Zone 4B compliant
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