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
*By completing this calculator, you are consenting to being contacted by On Site for more information


Q2 375 (220,000-375,000 BTU/hr)



Input220,000-375,000 BTU/Hr
FuelVapor Propane
Gas Consumption10.1-17.3 lbs./Hr
Manifold Pressure7-20 PSIG
Hose Length20 Feet Standard
Air Outlet13″ Diameter
Gas RegulatorStandard
Dimensions17″ W x 42″ L x 22″ H
Weight60 lbs.

The Q2 375 Convection Heater is a portable construction heater that runs completely on vapor propane. It doesn’t require any electricity or natural gas, which makes it perfect for construction sites that are not yet set up with these utilities. This compact heater is easy to move from one area to another because of its compact design. It also has a safety feature that will turn off the propane line at any sign of flame failure.


  • Adjustable heat from 220,000-375,000 BTU/Hr
  • Engineered for simple operation and minimal service
  • Safe, each equipped with a gas valve which closes automatically on flame failure
  • Designed to operate without electricity

The Q2 375 Convection Heater 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?