Climate ZonesCaliforniaAmador

Amador, California HVAC Climate Zone

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

Climate Zone
4B
Winter Design
3°F
Summer Design
92°F
ZIP Codes
10

Amador HVAC Contractors: Get Your Free Manual J Report

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

Claim Free Report
No credit card required

Verify Your Amador ZIP Code

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

Amador covers 10 ZIP codes: 95601, 95629, 95640, 95642, 95665, 95666, 95669, 95675, 95685, 95689

Amador Design Temperatures

Official ASHRAE design temperatures for Amador, 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 Amador 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 Amador

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
Amador, California

Get Free Manual J Calculations for Amador

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

Amador design temps
Zone 4B compliant
Ready in 60 seconds
Upload Blueprint → Get Free Report

Join 10,000+ Amador contractors who trust AutoHVAC