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Generac Mobile Products

MAC550F Flameless Air Heater

generac mac550F mobile flameless air heater

The Generac MAC line of flameless air heaters is a safe, compact way to bring heat wherever you need it. Mounted on a single axle trailer for easy mobility, the MAC550F Flameless Air Heater boasts the rugged construction you have come to expect from a Generac.


  • 450,000 BTUs
  • Up to 180? temperature rise
  • Air output volume of 1,400-3,500 CFM, delivered through 2-12 inch outlets
  • Static pressure: 5 inches
  • EPA Tier 4 Isuzu engine


Each Generac mobile heater is built specifically to fit your needs. Several options are available to ensure you get exactly the mobile heater that you need.

  • Tandem axle
  • Skid mounted
  • Low fuel shutdown switch
  • Outlet duct sizes and additional duct storage

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