Restroom Calculator

Need an estimate for how many porta potties your event needs? Use this handy calculator! For a more specific quote tailored to your needs, call us today at 800-210-8407!

special events calculator

Portable Heat Calculator

Need an estimate for how many BTU's you'll need to heat up your space? Use this handy calculator! For a more specific quote tailored to your needs, call us today at 800-210-8407!

Heating Calculator
*Please press the "tab" key on your keyboard or click out of the field after entering all fields to ensure the calculation is correct.


E3000 Hydronic Ground Heater

The E3000 Hydronic Ground Heater is our largest piece of ground heating equipment. This heater is perfect for ground thaw, ground heating and concrete curing. This heater runs on #1 Diesel fuel and can cure up to 8,000 sq. ft. and can thaw ground up to 4,500 sq. ft.



Hose 3,000 ft.
Heating Power Gross Output 385,000 BTU/hr
Fuel #1 Diesel
Heat Transfer Fluid 115 gal.
Fuel Tank Capacity 230 gal.
Full Consumption at full load with/ without generator 3.17 US GPH
Pump 1 x 265 gal/hr
Run Time 108 hr.
Thaw Capacity Standard 4,500 sq. ft./ Hr
Cure Capacity Standard 6,000 sq. ft./ Hr
Weight (with fuel) 7,645 lbs.
Overall Size 181″L x 91″W x 94″H

The Hydronic Ground Heater product line at On Site Companies is easy to operate and dependable. The E3000 will provide maximum flow and ensure consistent heat delivery for thawing and curing applications. One pump per hose loop means more BTU’s/hr delivered to the project than competitive hydronic heaters can provide. This unit thaws up to 4,500 sq. ft. The E3000 will also cure up to 6,000 sq. ft.

*Thaw performance will vary based on soil and moisture conditions.


  • No enclosure to build
  • No open flame for easy setup
  • No noxious fumes
  • The E3000 is engineered for reliable performance and trouble-free starts for up to 108 hours of run time.
  • With 3,000 ft. of hose, the E3000 is easy to operate and allows for flexible, uncomplicated setup for all applications.
  • Positive displacement pump provides maximum flow and consistent heat delivery for thawing and curing.
  • Digital temperature controller with push button adjustment allows operators to easily adjust Heat Transfer Fluid (HTF) output temperature for all concrete curing applications.
  • Unit features 83% heater efficiency, the highest in the industry.
  • Several options are also available, including a 5kW liquid-cooled diesel generator and lifting bail.

The E3000 Hydronic Ground Heater Available in:

  • Minneapolis/ St. Paul, Minnesota
  • Rochester, Minnesota
  • Mankato, Minnesota
  • St. Louis, Missouri


Related Products

On Site Companies can offer you a wide range of portable toilet and sanitation solutions to serve your needs.


I have a special event with an estimated attendees, for hours.
  • Will there be more women than men?
  • Will there be alcohol served?

Our phone system will temporarily be shut down for maintenance on Saturday, July 24. For emergency assistance during this time, please call your branch’s corresponding after hours phone number directly. See onsiteco.com/locations for phone number listings. Thank you.