Tons of refrigeration (IT) to terawatts conversion calculator above calculates how many terawatts are in 'X' tons of refrigeration (IT) (where 'X' is the number of tons of refrigeration (IT) to convert to terawatts). In order to convert a value from tons of refrigeration (IT) to terawatts (from TR to TW) simply type the number of TR to be converted to TW and then click on the 'convert' button.