Top 10 Best garage heater natural gas in 2021 Comparison Table
Bestseller No. 1 
Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater
- 50,000 BTU per hour heats up to 1250 sq. ft.
- Powered exhaust allows for vertical or horizontal venting
- Easy outside access to thermostat and A/C terminals and gas connection
- Natural Gas to Liquid Propane conversion kit and 2 angle brackets for ceiling mount included
- Minimum 8 ft clearance from floor to base of heater required; Limited 3 year warranty on parts and burners and 10 year warranty on any defects in the heat exchanger
Bestseller No. 2 
Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT
- 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet
- Blue flame burner for even convection heat. Maximum Elevation (Ft)-4500. Fuel Consumption/Burn Rate (Gal/Hr)- .030 MCF
- Automatic low oxygen shut-off system (ODS). CSA Certified
- Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.included.Theromostat, legs and wall mounting hardware
- Fuel Type:Natural Gas.Not for use in bathrooms, bedrooms, or recreational vehicles
Bestseller No. 3 
Dyna-Glo 22,000 BTU Natural Gas Overhead Infrared Garage Heater, Grey
- 22,000 BTU's
- Heats up to 550-sq ft
- No electricity required
- Adjustable thermostat included
- Multi-position ceiling mount included
Bestseller No. 4 
Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater
- Your purchase includes One Mr. Heater Big Maxx Natural Gas Heater with 2 angle brackets & Liquid Propane conversion kit | Thermostat, hose & regulator not included
- Heater dimensions – 29.33” L x 15.50” W x 26.37” H | Coverage area – 2000 Sq. Ft. | Performance – 80,000 BTU | Amps – 2.3 | Voltage – 120 V | Min 8 ft. clearance from floor to base of unit
- For use with natural gas | Category 1 vertical, category 3 horizontal venting
- Powered exhaust allows for vertical or horizontal venting | Spark ignition features self-diagnostic control module
- This heater offers the operating versatility and safety that you have come to expect from Mr. Heater | Limited 3 year warranty on parts and burners
SaleBestseller No. 5 
Heatstar By Enerco F125444 Radiant Overhead Garage Heater MH25NG Natural Gas
- Heats up to 500-600 sq. ft. (2-1/2 car garage)
- CSA Certified
- Thermostatic control no power needed
- Mounting Height Range - 7feet - 9feet
Bestseller No. 6 
Mr. Heater Vent-Free 30,000 BTU Natural Gas Garage Heater - Black Multi
- Industry standard for dependability
- Innovative technology
- Unmatched quality and service
Bestseller No. 7 
Dyna-Glo BFSS30NGT-4N 30,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater, White
- Natural Gas Ready (Fuel conversion not permitted)
- Blue Flame Technology works by convicting heat to warm the air the same way as a central heating system
- 15, 000-30, 000 BTU's/hr. adjustable heat output for up to 1, 000 sq. ft.
- Thermostat control knob automatically maintains your ideal heat level
- No electricity required allows for reliable back-up heating incase of an emergency situation
Bestseller No. 8 
Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater with Built-In Blower (1000 Sq. Ft.)
- 30,000 BTU per hour / For use with Natural Gas (NG)
- Heats up to 1000 sq. ft.
- Blue flame burner for even convection heat / Thermostat for automatic temperature control
- Automatic low oxygen shut-off system (ODS)
- Legs and wall mounting hardware included
SaleBestseller No. 9 
Dyna-Glo, RMC-FA150NGDGD, Deluxe Natural Gas Forced Air Heater, 150,000 BTU Output
- Variable heat output
- Quick, instant heat
- Requires electricity for operation
- Fan forced hot air
- Natural gas only
Bestseller No. 10 
Mr. Heater Corporation F299831 Vent-Free 30,000 BTU Radiant Natural Gas Heater, Multi
- 30,000 BTU Natural Gas heater. Heats up to 1000 square feet
- Radiant heat burner
- Automatic low oxygen shut-off system (ODS). CSA Certified
- Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
- Theromostat, legs and wall mounting hardware included
Our Best Choice: Dyna-Glo KFA50DGD 50,000 BTU Kerosene Forced Air Heater
Our rating:
(4.3 / 5)
(4.3 / 5)The Dyna-Glo Delux 50,000 BTU Moveable Kerosene Pressured Air Heater is suitable for out of doors/indoor design, as well as industrial & professional apps, producing it an excellent selection for your portable heating desires. It demands minimal to no assembly, is 98% gas efficient, and handles areas up to 1,200 sq. ft. Incorporated are overheat shutoff security, a created-in carrying cope with, flameout sensor, and run-time fuel gauge. All Dyna-Glo Delux Kerosene Pressured Air Heaters are CSA licensed for multi-fuel use with these fuel types: K1 Kerosene, Diesel #1, Diesel #2, Gasoline Oil #1, Gasoline Oil #2, Jet A and JP-8. On the other hand, K1 Kerosene is the manufacturer’s recommended fuel for optimal, cleaner burns and prolonged long lasting product lifestyle.
50,000 BTU
Heats up to 1,200 sq.ft.
Easy Elevate Carrying Deal with
Durable, Rugged Development
Gasoline Potential: 5 Gallons
Heating Hours: 14 Hours