Wacker/Neuson Flameless Heater HIF 690

This unit is a 686,000 BTU, diesel powered heater with an air flow of 4,000 CFM.

This heater is considered 'flameless' because there is 'no open flame' to be a danger in potentially volatile applications. Many jobs are now requiring 'flameless' heaters for safety purposes. Many of those jobs include gas & oil, mining, and some construction applications. This is a towable unit weighing in at 3,750 lbs with a full 100 gallon tank. According to manufacturer specs, which are attached, the unit will run for 20 hours without refueling.