Pennsylvania spans 2 IECC climate zones. Find your exact zone, design temperatures, and get free Manual J load calculations for any Pennsylvania location.
Cool - Humid
Cold - Humid
Based on Climate Zone 5A (Cool - Humid), here are typical HVAC equipment specifications for Pennsylvania installations.
Annual Fuel Utilization Efficiency for Pennsylvania furnaces
Seasonal Energy Efficiency Ratio for Pennsylvania AC systems
Pennsylvania's climate zone data ensures proper equipment sizing. No more callbacks from oversized or undersized systems.
Pennsylvania building departments require IECC-compliant Manual J calculations. Our tool uses official Pennsylvania climate data.
Right-sized systems based on Pennsylvania climate data reduce energy costs for homeowners and improve your reputation.
Upload your Pennsylvania 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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