Maine spans 2 IECC climate zones. Find your exact zone, design temperatures, and get free Manual J load calculations for any Maine location.
Cold - Humid
Very Cold
Based on Climate Zone 6A (Cold - Humid), here are typical HVAC equipment specifications for Maine installations.
Annual Fuel Utilization Efficiency for Maine furnaces
Seasonal Energy Efficiency Ratio for Maine AC systems
Maine's climate zone data ensures proper equipment sizing. No more callbacks from oversized or undersized systems.
Maine building departments require IECC-compliant Manual J calculations. Our tool uses official Maine climate data.
Right-sized systems based on Maine climate data reduce energy costs for homeowners and improve your reputation.
Upload your Maine blueprint and get a professional Manual J load calculation with official climate zone data. First report is FREE.
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