HVAC Load Calculator HVAC Load Calculator HVAC Load Calculator Where is the house located? Region #1 - Orange Region #2 - Light Blue Region #3 - Blue Region #4 - Dark Blue How would you rate the insulation? Good Average Poor How much ceiling height is there? How many windows does it have? Are the doors and windows well-sealed? Yes No How many people live there? Extra Device Heat Wattage (W) Calculate 0 BTU / Ton
