Natural Gas Unit Heater Big Maxx MHU80NG 80000 BTU Black

Turn any garage, barn, or workshop into a warm, productive space with the Big Maxx MHU80NG Natural Gas Unit Heater—80,000 BTU of reliable heat for areas up to 2,000 sq ft. This rugged unit delivers steady warmth with versatile venting and a built-in high-velocity fan to spread comfort quickly and evenly.

Key benefits and features you’ll appreciate:

• 80,000 BTU heating power covers large spaces up to 2,000 sq ft for fast, consistent warmth.
• Natural gas operation provides economical heating with low operating costs, powered by a standard 120 V electrical supply (115 V nominal) and drawing only about 2.3 amps.
• Venting versatility supports vertical Category 1 or horizontal Category 3 venting with a powered exhaust for flexible installation in various layouts.
• Spark ignition with self-diagnostic control module for dependable startup and proactive maintenance alerts.
• Built-in high-velocity fan pulls cool air across the heat exchanger and delivers warm air to every corner of the space.
• Easy installation with two included angle brackets and accessible power/thermostat connections (thermostat, hose, and regulator not included).
• Compact, durable design measures 29.33" L x 15.50" W x 26.37" H to fit a variety of workshop layouts.
• Worry-free warranty 3-year parts and burners, plus a 10-year heat exchanger warranty for long-lasting performance.
• Liquid Propane conversion kit included adds fuel flexibility (LP conversion kit included; thermostat, hose & regulator not included).

Note: A minimum 8 ft. clearance from the floor to the base ensures safe operation. Venting should comply with local codes and restrictions.

Experience a space you’ll actually enjoy working in—steady heat, quiet operation, and the flexibility to vent vertically or horizontally make this natural gas unit heater a trusted choice for year-round comfort in the places you work and store your projects.