Best Gas Garage Furnace 2024 - Top 10 Picks

This is the ultimate buyer's guide to finding the right gas garage furnace to suit your needs. We review the 10 best gas garage furnace on the market so you know that your next decision will be a smart one!

When you're trying to select the good gas garage furnace, there are a lot of factors to consider. This page has everything you need to know in one place.

This guide will help you avoid the pitfalls that come with researching gas garage furnace.

You don't have to try out every gas garage furnace to find one that meets your needs. After extensive research and hours of in-person tests, we've found the best gas garage furnace to be Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black. There are a lot of sub-par products out there, but this product is one of the highest quality you'll find. Next best option is Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT.

Choosing the gas garage furnace can be a daunting task, especially if you're doing it for the first time. Here's what we recommend based on our extensive research. We've compiled a list of the highest rated gas garage furnace. The following products are some of the best you can get right now.

List of Top 10 Gas Garage Furnace

Review of Best Gas Garage Furnace

1. Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black

  • 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

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. Heater Type: Unvented
  • 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

3. Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater, 80,000 BTU, Black

  • 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

4. Reznor UDX 75,000 BTU Natural Gas Unit Heater for Garages, Workshops and Warehouses - Model UDX-75

  • Specification Overview: The UDX-75 uses natural gas fuel and has a heating capacity of 75,000 BTU with a 83% AFUE (Annual Fuel Utilization Efficiency) rating that uses a single burner combustion system. The blower uses a propeller diameter of 12 inches which produces up to 961 CFM and uses about 217 Watts to operate. The UDX is the successor to Reznor’s legacy UDAP series.
  • Quality Components: Contains a TCORE2 titanium-stabilized aluminized steel heat exchanger, a multi-try direct spark ignition with time lockout, three horizontal louvers, vibration-isolated fan/ventor motors for low noise operation, an optional integrated downturn nozzle and integrated vertical louvers.
  • Ease of Install: Uses an external gas connection (1/2" NG/LP Connection to Gas Valve) for easy access, has a hinged service door with a quarter turn latch, and can be hung with one of its 2- or 4- point suspensions options. A status-indicating LED light and 7-segment display board are onboard to assist in any troubleshooting needs.
  • Gas Conversion: Comes ready for natural gas operation but can be converted to use liquid propane instead with a compatible LP conversion kit (sold separately.)
  • Model: UDX-75 | Electrical Data: 3.7 Amps 115 Volt 1 Phase 60 Hertz | Air Throw: 57 Feet | Sound: 49dB at 15ft | Dimensions: 16 3/4" H x 27" W x 31 29/32" D | ETL Approved | Warranty: 9 Year Heat Exchanger, Burner, and Flue Collection Box Assembly; 4 Year All Electrical and Mechanical Components

5. Mr. Heater Corporation F260590 MHU125NG NG 125K BTU Unit Heater

  • Electronic ignition
  • Powered exhaust
  • Liquid propane conversion included
  • Heating coverage:- 2000 square feet

6. Dyna-Glo 30,000 BTU Blue Flame Thermostatic Garage Vent Free Wall Heater, Black

  • Dual fuel technology allows the unit to be operated with Liquid Propane or Natural Gas.Mounting type:Wall Mount
  • Blue Flame Technology works by convecting heat to warm the air the same way as a central heating system
  • Up to 30, 000 BTU's/hr heats up to 1, 000 sq. ft.
  • Thermostat control knob automatically maintains your room's ideal heat level
  • No electricity required allows for reliable back-up heating incase of an emergency situation

7. Modine HD75AS0111 Garage Heater

  • 75,000 BTU/hr. input
  • Standard power exhaust simplifies side-wall or roof venting with small-diameter vent pipe
  • Lightweight, easily installs 1" from ceiling with only two angle brackets (included on sizes 30-75, accessory for 100, 125)

8. 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

9. Modine HD45AS0111Natural Gas Hot Dawg Garage Heater 45,000 BTU with 80-Percent Efficiency Grey

  • Quiet operation
  • Certified for residential, commercial and industrial use
  • Low profile design and neutral color
  • Installs quickly and easily with field wiring connections and knockouts for quick access to gas and electricity
  • Standard power exhaust simplifies side-wall or roof venting with small-diameter vent pipe

10. TEMPWARE Electric Garage Heater, 7500-Watt Digital Fan-Forced Ceiling Mount Shop Heater with Full-Function Remote, 240-Volt Hardwired Heater with 12-Hour Timer, Ideal for Workshop

  • Adjustable Angle & 2 Heat Settings: This garage heater has adjustable louvers and variable mounting angle to direct the air output. Its maximum BTUs of 25,590 is powerful enough to heat a large area up to 1,250 square feet. Power ranges from low to high of 6,250 to 7,500 watts to meet your different needs
  • ECO Mode & Timer Function: With a built-in precise temperature sensor, the smart ECO mode automatically adjusts the working mode or turns off based on the ambient temperature. You can also set an auto-off timer (1-12 hours) to save on energy bills
  • Thermostat & Overheat Protection: Our garage heater is equipped with a built-in thermostat. You can adjust the power to suit your needs and preferences (from 45°F to 95°F). And a built-in sensor switches the device off automatically if it overheats
  • Safe & Sturdy Structure: Our electric garage heater is made of heavy-duty steel material, which is very strong and durable, and has a long service life. In addition, the heater for workshop is ETL certified to ensure your safe use
  • Hardwired Installation: You will need an electrician to do this safely. The garage heater must be grounded and hardwired to a properly sized current protection circuit breaker in accordance with the (US) National Electric Code and local codes

Last update on 2024-03-29 / Affiliate links / Images from Amazon Product Advertising API

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