BTU (IT) per hour to tons of air conditioning conversion calculator above calculates how many tons of air conditioning are in 'X' BTU (IT) per hour (where 'X' is the number of BTU (IT) per hour to convert to tons of air conditioning). In order to convert a value from BTU (IT) per hour to tons of air conditioning simply type the number of BTU/h to be converted to tons of air conditioning and then click on the 'convert' button.