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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.

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Direct Fired Enclosed Flame Heaters

Construction | Tent Heating | Wedding Climate Control

Flagro FMA 550 Direct Fired Enclosed Flame Heater

Flagro FMA 550 Direct Fired Enclosed Flame Heater is a dual fuel heater which is a ductable heating solution for both construction sites and special events. It can heat buildings, tents and other structures with clean and efficient heat. Easily switch between propane and natural gas when supply varies.

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Premier 350 Direct Fired Enclosed Flame Heater

The Premier 350 Direct Fired Enclosed Flame heater is a dual fuel heater which is a ductable heating solution for both construction sites and special events. It can heat buildings, tents and other structures with clean and efficient heat. Easily switch between propane and natural gas when supply varies.

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Premier 170 Direct Fired Enclosed Flame Heater

The Premier 170 Direct Fired Enclosed Flame Heater is a dual fuel heating solution that works great for both construction settings and special events. You can easily switch between natural gas and propane depending on supply. This heater can also be ducted for easy transmission of heat from one area to another, and easily heats tents and other spaces.

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1,200 DF Direct Fired Enclosed Flame Heater

The 1,200 DF Direct Fired Enclosed Flame Heater is the largest enclosed flame heater that On Site offers for rental. This heater is essentially a larger version of our line of smaller direct fired enclosed flame heater. It runs on both propane and natural gas, and the heater can be ducted in three different directions for optimal construction or special event heating.

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On Site Companies offers a line of direct fired enclosed flame heaters that are perfect for use at your construction site, home or special event. These temp heating units are portable, quiet and are easily moved from one area to another. With remote thermostats and On Site Companies Security Options, you can monitor the equipment usage and temperature control. These units can also be used to duct into tents for weddings and special events.

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