Hello there! Are you tired searching for the best garage gas furnaces but could not able to find the right one? Worry not readers, because in this article, we have covered everything you need to know before buying the garage gas furnaces online. Keep Reading!
Choosing the best garage gas furnaces can be a tough job, especially when you are looking for one that suits your budget. Therefore, we have listed the top 10 garage gas furnaces available at best prices with all the latest demanding features catering to your needs. We have analysed each and every product and have shared detailed information about them. Based on our personal review, we found this Dyna-Glo BFSS30NGT-4N 30,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater, White best in our list. However, if you are looking for a product with a cheaper price, then you can check out Goodman GMSS960603BN Single Speed 1-Stage Upflow/Horizontal Gas Furnace with Low Nox, 96% Afue, 60,000 Btu/H, 1,200 Cfm, 175″ Width which is equally good with good reviews. We are very much sure that you’ll be able to make a wiser decision in buying the Top garage gas furnaces by going through the exclusive list mentioned below.
All the products listed in this guide are good in their own way. You simply have to pick one that you feel delivers on the best performance. Let us get right into them already. Check the quick reviews below.
Best garage gas furnaces

Buy Now

Buy Now

Buy Now

Buy Now
Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater
Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater
Features
- 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
Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater
Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater
1 used from $496.79
Features
- 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
Mr. Heater F272800 40,000 BTU Natural Gas Garage Heater #MH40NG,Multi
Mr. Heater F272800 40,000 BTU Natural Gas Garage Heater #MH40NG,Multi
Features
- Efficient, cost effective infrared heat
- For use in buildings with 12 to 15 ft ceilings
- Clearances: Top - 36", Sides & Back - 30", Below - 68"
- Heats up to 1000 sq. ft.
- No electricity required, Maintenance free; no moving parts
Goodman GMSS960603BN Single Speed 1-Stage Upflow/Horizontal Gas Furnace with Low Nox, 96% Afue, 60,000 Btu/H, 1,200 Cfm, 175″ Width
Goodman GMSS960603BN Single Speed 1-Stage Upflow/Horizontal Gas Furnace with Low Nox, 96% Afue, 60,000 Btu/H, 1,200 Cfm, 175" Width
Features
- Goodman Single Speed 1-Stage Upflow/Horizontal Gas Furnace, Low Nox, 96% Afue, 60,000 Btu/H, 1,200 Cfm, 175 In Width
- This furnace is covered by what we believe to be one of the best warranties in the indoor home comfort industry
- This is manufactured in United States
Modine HD45AS0111Natural Gas Hot Dawg Garage Heater 45,000 BTU with 80-Percent Efficiency
Modine HD45AS0111Natural Gas Hot Dawg Garage Heater 45,000 BTU with 80-Percent Efficiency
$915.00 in stock
Features
- 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
Dyna-Glo 30,000 BTU Blue Flame Thermostatic Garage Vent Free Wall Heater, Black
Dyna-Glo 30,000 BTU Blue Flame Thermostatic Garage Vent Free Wall Heater, Black
Features
- 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
Rinnai FC824P Vent-Free Propane Gas Heater
Rinnai FC824P Vent-Free Propane Gas Heater
2 used from $724.25
Features
- Efficient Heating: Our small space heater provides powerful warmth in compact rooms; With its warm air outlet and bottom front louvers, it effectively heats up any indoor area, ensuring you stay comfortable during the chilly seasons
- Smart Control: Enjoy precise temperature control with our room heater's programmable thermostat display; The digital adaptive control on this indoor heater adapts to your heating needs, while a self-diagnostics feature means hassle-free maintenance
- Peace of Mind: Our wall heater is designed with your safety in mind with a flame failure device, overheat switch, oxygen depletion sensor, and tilt switch, which automatically disable gas/power if the device overheats, overturns, or is extinguished
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater; We do not recommend installing a heater without a technician
- Reliable Heating Solution - Experience the convenience and reliability of our small heater. Its cool-to-touch child-safe cabinet with a safety lock ensures peace of mind, while its ventless and ductless design make installation simple
Heatstar By Enerco F125444 Radiant Overhead Garage Heater MH25NG Natural Gas
Heatstar By Enerco F125444 Radiant Overhead Garage Heater MH25NG Natural Gas
Features
- Heats up to 500-600 sq. ft. (2-1/2 car garage)
- CSA Certified
- Thermostatic control no power needed
- Mounting Height Range - 7feet - 9feet
ProCom MNSD5TPA-BB Dual Fuel Ventless Infrared Gas Space Heater with Blower and Base-30,000, 5 Plaque, T-Stat Control, 30,000 BTU, Black
ProCom MNSD5TPA-BB Dual Fuel Ventless Infrared Gas Space Heater with Blower and Base-30,000, 5 Plaque, T-Stat Control, 30,000 BTU, Black
Features
- TECHNOLOGY - 30, 000 BTU Patented DUAL FUEL TECHNOLOGY using Natural Gas or 26, 000 Maximum BTU When Using Propane Gas which Heats up to 1000 sq. ft. Area.
- COST-EFFECTIVE - BLOWER and BASE included. Added value!
- DEPENDABLE - Thermostat Control offers the most customizable heat settings, Ideal for greater heat flow that could add the warm atmosphere in your room.
- STYLISH - Included Wall mounting bracket with Space saving design without sacrificing beauty.
- ECONOMICAL - 99. 9% efficient with Vent Free gas burner. No outside duct or chimney needed! Environmental Protection and Energy Conservation.
Dyna-Glo BFSS30NGT-4N 30,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater, White
Dyna-Glo BFSS30NGT-4N 30,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater, White
Features
- Natural Gas Ready (Fuel conversion not permitted).Mounting type:Wall Mount
- 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
So, These are some of the best garage gas furnaces with all the major features that you must be looking for. Now you can easily pick out the best one based on your budget, needs and preferences. Still, if you found yourself confused about choosing the best product, then you can try this Mr. Heater F272800 40,000 BTU Natural Gas Garage Heater #MH40NG,Multi for more recommendations. Hope you enjoyed reading the article!