Here is a forced air kerosene heater that keeps construction professional with spot heat on the jobsite. The DeWalt 75K BTU Forced Air Kerosene Heater comes with fully-enclosed motors and glove-friendly controls. It has a 6 gallon tank good enough to hold fuel for up to 11 hours.
This heater has a 25 to 95F thermostat and air output of 240cfm. It can heat an area of 1750 sq.ft. It weighs 72lbs when full. It has cold weather starting capability.