Cubic feet de natural gas per hour to horsepower (boiler) conversion calculator above calculates how many horsepower (boiler) are in 'X' cubic feet de natural gas per hour (where 'X' is the number of cubic feet de natural gas per hour to convert to horsepower (boiler)). In order to convert a value from cubic feet de natural gas per hour to horsepower (boiler) type the number of cubic feet de natural gas per hour to be converted to hp and then click on the 'convert' button.