Kentucky is in IECC Climate Zone 4A (Mixed - Humid). Get accurate Manual J load calculations with official design temperatures and IECC requirements.
Mixed - Humid
Based on Climate Zone 4A (Mixed - Humid), here are typical HVAC equipment specifications for Kentucky installations.
Annual Fuel Utilization Efficiency for Kentucky furnaces
Seasonal Energy Efficiency Ratio for Kentucky AC systems
Kentucky's climate zone data ensures proper equipment sizing. No more callbacks from oversized or undersized systems.
Kentucky building departments require IECC-compliant Manual J calculations. Our tool uses official Kentucky climate data.
Right-sized systems based on Kentucky climate data reduce energy costs for homeowners and improve your reputation.
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