Best Mr Heater Big Maxx 50000 Btu in 2025
Updated on June 2025
#1
Recommended
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- Includes Mr. Heater Big Maxx Natural Gas Heater, 2 angle brackets, and Liquid Propane conversion kit (thermostat, hose, and regulator not included)
- Dimensions: 29.33” L x 15.50” W x 26.37” H; Coverage: 2000 sq. ft.; Performance: 80,000 BTU; Requires 2.3 Amps and 120 V; Minimum 8 ft. clearance needed
- Compatible with natural gas and designed for category 1 vertical and category 3 horizontal venting
- Features powered exhaust for versatile venting options and spark ignition with self-diagnostic control module
- Reliable operation with safety features; limited 3-year warranty on parts and burners
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- Includes Mr. Heater Big Maxx Natural Gas Heater, 2 angle brackets, and Liquid Propane conversion kit (thermostat, hose, and regulator not included)
- Dimensions: 29.33” L x 15.50” W x 26.37” H; Coverage: 2000 sq. ft.; Performance: 80,000 BTU; Requires 2.3 Amps and 120 V; Minimum 8 ft. clearance needed
- Compatible with natural gas and designed for category 1 vertical and category 3 horizontal venting
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#2
Value for Money
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- Provides 50,000 BTU per hour, suitable for spaces up to 1250 sq. ft.
- Equipped with a powered exhaust for flexible venting options, either vertically or horizontally.
- Includes convenient outside access to thermostat, A/C terminals, and gas connections.
- Conversion kit for Natural Gas to Liquid Propane and 2 angle brackets for ceiling mounting are included.
- Requires a minimum clearance of 8 ft from floor to heater base; limited warranty covers parts and burners for 3 years, and heat exchanger defects for 10 years.
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- Provides 50,000 BTU per hour, suitable for spaces up to 1250 sq. ft.
- Equipped with a powered exhaust for flexible venting options, either vertically or horizontally.
- Includes convenient outside access to thermostat, A/C terminals, and gas connections.
- Conversion kit for Natural Gas to Liquid Propane and 2 angle brackets for ceiling mounting are included.
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#3
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- Provides up to 30,000 BTUs using natural gas, suitable for spaces up to 1,000 sq. ft. and effective at altitudes up to 4,500 feet.
- Includes a built-in thermostat for precise temperature control and comes with a battery for easy electric ignition.
- Features a blue flame burner for efficient heating, consuming .030 MCF per hour and ensuring even warmth.
- Equipped with an oxygen depletion sensor for safety, ensuring secure operation.
- Offers dual mounting options: can be wall-mounted with included brackets or placed securely on the floor.
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- Provides up to 30,000 BTUs using natural gas, suitable for spaces up to 1,000 sq. ft. and effective at altitudes up to 4,500 feet.
- Includes a built-in thermostat for precise temperature control and comes with a battery for easy electric ignition.
- Features a blue flame burner for efficient heating, consuming .030 MCF per hour and ensuring even warmth.
- Equipped with an oxygen depletion sensor for safety, ensuring secure operation.
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#4
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- Electronic ignition system for reliable starting
- Powered exhaust for efficient ventilation
- Includes conversion kit for liquid propane use
- Effective heating coverage up to 2000 square feet
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- Electronic ignition system for reliable starting
- Powered exhaust for efficient ventilation
- Includes conversion kit for liquid propane use
- Effective heating coverage up to 2000 square feet
#5
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- 20,000 BTU heater for spaces up to 500 square feet
- Radiant heat burner capable of heating areas up to 700 square feet
- Equipped with an automatic low oxygen shut-off system (ODS), CSA certified
- May experience shutdowns at altitudes over 4,500 feet due to pilot/ODS safety mechanisms
- Includes thermostat, legs, and wall mounting hardware for installation
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- 20,000 BTU heater for spaces up to 500 square feet
- Radiant heat burner capable of heating areas up to 700 square feet
- Equipped with an automatic low oxygen shut-off system (ODS), CSA certified
- May experience shutdowns at altitudes over 4,500 feet due to pilot/ODS safety mechanisms
- Includes thermostat, legs, and wall mounting hardware for installation
#6
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- 50,000 BTU heating capacity suitable for areas up to 1,250 square feet
- 4-gallon fuel tank allows for up to 11 hours of continuous operation
- Equipped with illuminated on/off switch and safety features including no-flame and overheat sensors with automatic shut-off
- Features a carrying handle and cord storage; requires 115-volt grounded outlet for operation
- Compact dimensions of approximately 14.4 x 32.7 x 14.8 inches with a 1-year limited warranty
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- 50,000 BTU heating capacity suitable for areas up to 1,250 square feet
- 4-gallon fuel tank allows for up to 11 hours of continuous operation
- Equipped with illuminated on/off switch and safety features including no-flame and overheat sensors with automatic shut-off
- Features a carrying handle and cord storage; requires 115-volt grounded outlet for operation
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#7
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- Compatible with various Big Maxx MHU heaters (45/75/50/80) for natural gas or propane
- Works with MH 25/40 high intensity radiant garage heaters using natural gas or propane
- Operates without requiring external power
- Features a straightforward 2-wire system for easy installation
- Quick and easy mounting process
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- Compatible with various Big Maxx MHU heaters (45/75/50/80) for natural gas or propane
- Works with MH 25/40 high intensity radiant garage heaters using natural gas or propane
- Operates without requiring external power
- Features a straightforward 2-wire system for easy installation
- Quick and easy mounting process
#8
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- Clear instructions provided with all necessary components
- Includes label for gas type identification
- Facilitates conversion from natural gas to propane for unit heaters
- Compatible with propane MHU50 and MHU80 unit heaters
- Simple replacement process
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- Clear instructions provided with all necessary components
- Includes label for gas type identification
- Facilitates conversion from natural gas to propane for unit heaters
- Compatible with propane MHU50 and MHU80 unit heaters
- Simple replacement process
#9
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- All "Canadian" Orders must ship to a physical Address by DHL "No" PO Box Shipments, any request to a PO Box will result in your order being delayed or canceled.
- The 60105 Control Board is the newest style 6 Pin control board compatable for all Mr Heater, HeatStar, Big Maxx and Enerco overhead Propane and Natural gas unit heaters under 125,000 BTU
- The 60105 control board is a certified OEM replacement part.<br> This Automatic Systems Control board is compatible with residential and commercial heaters.
- The 60105 Enerco Ignition Control Board is used in the following applications.<br> Garage Heaters<br> Workshop Heaters<br> Compact Unit Heaters<br> Propane Or Natural Gas Forced Air Heaters<br> Indirect Fired Utility Heaters<br> Commercial Heaters<br> Residential Heaters<br> Vertically or Horizontally Mounted Forced Air Heaters<br>
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- All "Canadian" Orders must ship to a physical Address by DHL "No" PO Box Shipments, any request to a PO Box will result in your order being delayed or canceled.
- The 60105 Control Board is the newest style 6 Pin control board compatable for all Mr Heater, HeatStar, Big Maxx and Enerco overhead Propane and Natural gas unit heaters under 125,000 BTU
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#10
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- Portable propane heater suitable for use in various settings such as tents, campsites, garages, and tailgates
- Efficiently heats enclosed areas up to 225 square feet
- Operates on 1-pound propane cylinders; compatible with 20-pound cylinders using an adapter
- Features a Piezo igniter, safety tip-over shut-off, swivel regulator, foldable handle, and adjustable heat settings
- Delivers heating output of 4,000 to 9,000 BTU per hour with runtime between 3 to 6 hours; dimensions are 14.25 x 9 x 15 inches, weighing 10.6 pounds
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- Portable propane heater suitable for use in various settings such as tents, campsites, garages, and tailgates
- Efficiently heats enclosed areas up to 225 square feet
- Operates on 1-pound propane cylinders; compatible with 20-pound cylinders using an adapter
- Features a Piezo igniter, safety tip-over shut-off, swivel regulator, foldable handle, and adjustable heat settings
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