Designed to optimally perform in the most extreme cold weather environments, our flameless, hydronic, and indirect fired heaters can be trusted to keep your worksite warm and operational.
We work hard to provide you with dependable, heavy-duty options that can be used in places where an open flame could pose a potential hazard. Protective alarms and innovative mechanisms also help to ensure the safe operation of each unit. If you're searching for a secure heating solution for your desired location, look for no other name than Generac|MAC.
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MAC550F Flameless Air Heater
This flame-free heater provides a temperature rise of up to 180°F through two 12" outlets.
MAC750F Flameless Air Heater
This flameless heater featuring an air output volume of 2,650-5,500 CFM at 5" static pressure.
MAC950F Flameless Air Heater
Powered by diesel fuel, this flameless heater provides heat from long distances.
MAC400G Indirect Fired Heater
Operating on diesel fuel, this small size indirect fired heater can cover up to 1,700 CFM.
MAC800G Indirect Fired Heater
Use this indirect heater's single axle trailer to provide diesel powered heat at heavy-duty construction sites.
MAC1.2G Indirect Fired Heater
Provide clean, safe and reliable air flow from long distances with this diesel-powered indirect heater.
MAC2.5ES Indirect Fired Heater
Provide heat at 12,000 cubic feet per minute through this indirect heater's 30" outlet.
MAC4.2 Indirect Fired Heater
This indirect diesel fired heater provides heat to larger areas without compromising performance or safety.
MAC6000 Hydronic Surface Heater
Use up to six 500-foot hoses to maximize coverage options with this Hydronic Surface Heater.
MAC400HC Indirect Fired Heater (Airline)
Ideal for airline use, this indirect fired heater provides 400,000 btu at 9" static pressure.
MAC400FHC Flameless Air Heater (Airline)
This flameless air heater is a compact airport solution that safely operates on #1 or #2 diesel fuel.