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.


E1250 Ground Thaw Heater

The E1250 Hydronic Ground Heater is perfect for portable ground heating, ground thaw and concrete curing. Used with ground blankets you can easily disperse heat throughout a large area. This heater runs on #1 Diesel fuel and can run for 105 hours.



Thaw Capacity Standard up to 2,200 sq. ft./ Hr
Cure Capacity Standard up to 2,500 sq. ft./ Hr
Fuel Requirement #1 Diesel
Fuel Tank Capacity 68 gal.
Heating Power Gross Output 140,000 BTU/ Hr
Fuel Consumption 1.18 GPH
Run Time Up to 90 hours
Heat Efficiency 87%
Hose 1,250 ft.
Dimensions 76″W x 140″L x 72″H
Operating Weight 3,775 lbs.

The E1250 Hydronic Ground Thaw Heater is designed to quickly and easily thaw frozen ground, cure concrete, prevent frost and provide temporary air heat during the colder months of the year. The E1250 unit thaws up to 2,200 sq. ft. of frozen ground and can cure up to 2,500 sq. ft. of concrete per day. Couple this unit with ground thaw blankets to better dispense heat over a large area.
*Thaw performance will vary based on soil and moisture conditions.


  • No Enclosure to Build
  • Easy Set Up with No Open Flames
  • No Noxious Fumes
  • Designed for reliable and trouble-free starts,
    the E1250 provides up to 90 hours of run time.
  • With 1,250 ft. of hose, the E1250 is easy to operate and allows for exible, uncomplicated setup for all applications. Positive displacement pump provides maximum ow and assures consistent heat delivery for thawing and curing. One pump per hose loop means delivery of maximum BTUs per hour.
  • Digital temperature controller with push button adjustment allows operators to easily adjust Heat Transfer Fluid (HTF) output temperature for all concrete curing applications.
  • Performance monitoring strobe light indicates from a distance that all systems are operating properly.
  • At 87% heater e ciency, the E1250 offers the highest in the industry.


The E1250 Direct Fired 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?

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