Size	Square Feet square meters
Room Ceiling Height	feet meters
Number of People Inside Regularly
Type	Bedroom Living Room Kitchen Entire House Entire First Floor Entire Second Floor or Above
Insulation Condition	Good (very few leakages or windows) Average Poor (many leakages or windows)
Sun Exposure	Heavily shaded Average Very sunny
Climate	Cold (e.g. Boston) Average Hot (e.g. Houston)

General Purpose AC or Heating BTU Calculator

Room/House Width	feet meters
Room/House Length	feet meters
Ceiling Height	feet meters
Insulation Condition	Good (very few leakages or windows) Normal Poor (many leakages or windows)
Desired Temperature Increase or Decrease	Fahrenheit Celsius e.g. 75°F for Boston winter, 45°F for Atlanta winter.