Self-Contained Mobile Industrial Heater


Flexible and powerful, the dual-burner ES1000 indirect fired air heating system provides maximum heat under full operation with the option to run a single burner for lighter applications.

Powered by Kubota, the world’s leading diesel engine manufacturer, the twin Flagro 400 indirect fired heaters generate a combined output of 760,000 BTU/hr with up to 2500 CFM per heater. An ample fuel tank allows the unit to run from 40 to 74 hours between refuels.

Like all of our industrial heaters, the ES1000 is Built Arctic Tough to provide maximum heat with minimum downtime for your oilfield, construction, or agricultural worksites. Get one today!

Features & benefits

  • Diesel engine generator set with dual indirect-fired forced-air heaters
  • 760,000 BTU maximum heat output with up to 2500 CFM per burner
  • 40 to 74 hour run time depending on burner usage
  • Kubota engine with Mecc Alte generator end
  • Flagro FVO-400 heaters with Riello 40 burners
  • Three-color beacon light indicates engine, burner, fuel status
  • Seven bright 18W (1260 lumens) LED exterior floodlights
  • Interior and control panel lights
  • 120V GFCI power outlet
  • Emergency shutdown switch
  • Design integrated lifting bail
  • Input jack for optional remote thermostat

Quality construction

  • Heat exchanger surfaces are constructed from 304 stainless steel for extended life
  • Environmentally responsible construction that features 160% secondary fluid containment
  • DOT certified fuel tank
  • ETL Listed, conforming to UL and CSA standards

Easy service by design

  • Easy access engine compartment facilitates ease of service functions
  • Standard industrial components ensure widespread parts availability

Available mounting

  • Trailer mounted for portability


  • Remote thermostat to adjust heater output
  • Bolt-on fork pockets
  • Duct storage


Max burner output (Dual)760,000 BTU/hr
BurnersRiello 40 F10
Heat exchange material304 Stainless steel
Fan motor3/4 hp, 120V
Fan capacityMax 5000 CFM @ 1/2 in wgOptional max 5600 CFM @ 2.5 in wg
Duct outletsQuad 12 in
EngineKubota D1105
GeneratorMecc Alte
Engine continuous power8 kW
Main breaker rating50A
Voltage240V / 120V
Auxillary power receptacle20A, 120V, 60Hz
Fuel storage
Capacity240 gal [910 L]
Seconday containment160%
DOT classificationUN IBC
Fuel type
Firing rate
Single3.25 gph [12.3 lph] max
Dual6 gph [22.7 lph] max
Dry4800 lb [2180 kg]
Wet6500 lb [2948 kg]


Heater ducting

  • Jetflex by Engineered Performance Ducting
  • ES1000 outlet: 4 x 12″, 2 x 16″, or 2 x 20″ diameter
  • ES1000 inlet: 2 x 20″ diameter
  • Available in 25 foot length

More info…

Product Support Page

Model #






Highlight Specs

Max BTU Output: 760,000 BTU/hr
Max Air Flow: 5,000 CFM
Fuel Tank Size: 240 Gal
Fuel Type: Diesel
Max Fuel Consumption: 6 GPH
Run Time: 40 hrs +
Oil Service Interval: 200 hrs
Generator: 8KW