California spans 4 IECC climate zones. Find your exact zone, design temperatures, and get free Manual J load calculations for any California location.
Hot - Dry
Warm - Dry
Warm - Marine
Mixed - Marine
Based on Climate Zone 2B (Hot - Dry), here are typical HVAC equipment specifications for California installations.
Annual Fuel Utilization Efficiency for California furnaces
Seasonal Energy Efficiency Ratio for California AC systems
California's climate zone data ensures proper equipment sizing. No more callbacks from oversized or undersized systems.
California building departments require IECC-compliant Manual J calculations. Our tool uses official California climate data.
Right-sized systems based on California climate data reduce energy costs for homeowners and improve your reputation.
Upload your California blueprint and get a professional Manual J load calculation with official climate zone data. First report is FREE.
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Get detailed climate zone information for major cities
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