National Power's COVID-19 Message to our Customers

Generac Mobile Products

MAC750F Flameless Air Heater

generac mac750f 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 MAC750F Flameless Air Heater is the most popular midsized portable heater on the market and boasts the rugged construction you have come to expect from a Generac.


  • 550,000 BTUs
  • Up to 180? temperature rise
  • Air output volume of 2,650-5,500 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

Contact Us

  • MM slash DD slash YYYY
  • This field is for validation purposes and should be left unchanged.