Ohio is in IECC Climate Zone 5A (Cool - Humid). Get accurate Manual J load calculations with official design temperatures and IECC requirements.
Cool - Humid
Based on Climate Zone 5A (Cool - Humid), here are typical HVAC equipment specifications for Ohio installations.
Annual Fuel Utilization Efficiency for Ohio furnaces
Seasonal Energy Efficiency Ratio for Ohio AC systems
Ohio's climate zone data ensures proper equipment sizing. No more callbacks from oversized or undersized systems.
Ohio building departments require IECC-compliant Manual J calculations. Our tool uses official Ohio climate data.
Right-sized systems based on Ohio climate data reduce energy costs for homeowners and improve your reputation.
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