Vermont is in IECC Climate Zone 6A (Cold - Humid). Get accurate Manual J load calculations with official design temperatures and IECC requirements.
Cold - Humid
Based on Climate Zone 6A (Cold - Humid), here are typical HVAC equipment specifications for Vermont installations.
Annual Fuel Utilization Efficiency for Vermont furnaces
Seasonal Energy Efficiency Ratio for Vermont AC systems
Vermont's climate zone data ensures proper equipment sizing. No more callbacks from oversized or undersized systems.
Vermont building departments require IECC-compliant Manual J calculations. Our tool uses official Vermont climate data.
Right-sized systems based on Vermont climate data reduce energy costs for homeowners and improve your reputation.
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