Manual J Load Calculator
Total Square Footage Ceiling Height (feet) Climate Zone Hot (Zone 1-2)Warm (Zone 3)Moderate (Zone 4)Cool (Zone 5-6)Cold (Zone 7-8) Insulation Level PoorAverageGoodExcellent Number of Windows Number of Occupants Calculate Reset Heating Load: BTU/hr Cooling Load: BTU/hr Required AC Size: tons Required Furnace Size: BTU/hr Proper heating and cooling system sizing is essential for comfort, efficiency,…