Over 70% of homeowners choose natural gas heaters for efficient heating.
That’s why the *Mr. Heater F260560 Big Maxx MHU80NG* stands out with its 80,000 BTU output, ensuring rapid warmth in any space.
Few know that its durable design not only provides reliable heating but also contributes to lower energy bills over time.
Our review covers long-term value vs. rivals, helping you make an informed decision for your heating needs.


Mr. Heater Big Maxx 80,000 BTU Heater
Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater: 29.33” L x 15.50” W x 26.37” H, 80,000 BTU, natural gas, 3-year warranty.
Benefits
- Covers 2000 Sq. Ft. efficiently, making it ideal for large spaces.
- Powered exhaust allows for flexible vertical or horizontal venting.
- Self-diagnostic control module enhances safety and ease of use.
Drawbacks
- Thermostat, hose, and regulator not included, requiring additional purchases.
- Requires a minimum 8 ft. clearance from the floor, limiting installation options.
This heater is a practical pick for large workshops or garages. Its robust design and powerful heating capacity make it suitable for spaces up to 2000 square feet, ensuring warmth even in the coldest conditions. However, users should be aware that additional components are necessary for full functionality, which could add to the overall cost. The self-diagnostic control module is a notable feature, providing peace of mind regarding safety. While the clearance requirement may restrict placement options, the Big Maxx is a reliable choice for those needing substantial heating power in a natural gas unit heater.
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Mr. Heater Big Maxx Natural Gas Heater
Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater: 50,000 BTU per hour, black, heats up to 1250 sq. ft.
Benefits
- Efficient heating for large spaces, providing comfort in garages or workshops.
- Powered exhaust allows for versatile vertical or horizontal venting options.
- Easy access to thermostat and A/C terminals simplifies installation and use.
- Natural Gas to Liquid Propane conversion kit included for flexibility in fuel choice.
- Includes 2 angle brackets for convenient ceiling mounting.
Drawbacks
- Requires minimum 8 ft clearance from the floor to the base of the heater, which may limit placement options.
- Limited warranty of 3 years on parts and burners; 10 years on heat exchanger may not be sufficient for some users.
A practical pick for large workshops or garages needing reliable heating during colder months.
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Reznor 45,000 BTU Natural Gas Heater
Reznor 45,000 BTU Unit Natural Gas Heater: 45,000 BTU, aluminized steel, 83% thermal efficiency, ceiling mount capable, 2-year warranty.
Benefits
- Heats up to 1,000 square feet efficiently, ideal for garages and workshops.
Drawbacks
- No mounting hardware included, requires separate purchase for installation.
The Reznor UDXC-45 is a powerful heating solution designed for various indoor spaces, including garages and workshops. With a robust output of 45,000 BTUs, it delivers reliable warmth while maintaining an impressive 83% thermal efficiency. This heater is built with a TCORE2 titanium-stabilized aluminized steel heat exchanger, ensuring durability and longevity.
One of the standout features is its versatility; it can be mounted on the ceiling or wall, depending on your space requirements. However, it’s important to note that mounting hardware is sold separately, which may add to your initial setup cost. The integrated circuit board with a display makes it user-friendly, allowing you to monitor performance easily.
While the Reznor UDXC-45 excels in heating capability, it does not come with any dishwasher-safe parts, so cleaning requires manual effort. Overall, this heater is a practical pick for small spaces needing efficient heat, making it an excellent choice for those seeking a reliable solution for chilly environments.
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Mr. Heater 30,000 BTU Natural Gas Heater
Mr. Heater Vent Free Radiant 30,000 BTU MHVFRD20NGT Natural Gas Heater: 30,000 BTU output, infrared technology, covers up to 1,000 sq. ft., automatic low-oxygen shut-off, built-in thermostat.
Benefits
- Delivers powerful warmth efficiently, making it ideal for large spaces up to 1,000 sq. ft.
Drawbacks
- Requires ventilation in certain conditions, which may limit placement options.
This heater utilizes advanced infrared technology to warm objects and people directly, providing a cozy environment quickly. The built-in thermostat allows for precise temperature control, ensuring comfort without constant adjustments. Its automatic low-oxygen shut-off system enhances safety, making it a reliable choice for indoor use.
Installation is flexible, with options for both floor placement and wall mounting. The heater comes with sturdy feet and necessary hardware, simplifying setup in various locations such as homes, garages, and patios.
However, potential users should note that it requires proper ventilation to operate safely in certain environments. This may limit where you can place it, especially in smaller or enclosed spaces.
A practical pick for small spaces, this heater offers efficient heating solutions for those needing supplemental warmth without the hassle of extensive installation. Ideal for anyone looking to stay warm during colder months while maintaining safety and efficiency.
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Mr. Heater 40,000 BTU Natural Gas Heater
Mr. Heater F272800 40,000 BTU Natural Gas Garage Heater: 12” long, ABS plastic, 2-year warranty.
Benefits
- Heats up to 1000 sq. ft. efficiently, ideal for large spaces.
- No electricity required, making it perfect for areas without power access.
- Maintenance-free design with no moving parts ensures longevity and reliability.
Drawbacks
- Noisy operation may be disruptive in quiet environments.
A practical pick for garages and workshops needing reliable heat without the hassle of electricity. The Mr. Heater F272800 is a solid choice for those seeking an efficient, cost-effective infrared heating solution. With a powerful output of 40,000 BTU, it provides ample warmth for spaces with 12 to 15 ft ceilings, ensuring comfort during colder months. The unit is designed for easy installation and offers a robust performance without the need for electrical connections, making it an excellent option for remote areas or temporary setups.
However, potential buyers should be aware that the unit can be somewhat noisy during operation, which might not be ideal for all settings. Overall, if you require a dependable heating source for your garage or workshop, the Mr. Heater F272800 is a strong contender.
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Faq about best natural gas shop heater:
1:What is a natural gas shop heater?
A natural gas shop heater is a heating device that uses natural gas as fuel to warm up workshop or garage spaces efficiently.
2:What are the benefits of using a natural gas shop heater?
Natural gas shop heaters provide cost-effective heating, faster warm-up times, and lower carbon emissions compared to electric heaters.
3:How do I choose the best natural gas shop heater?
Consider factors like the heater’s BTU output, size of the space, safety features, and efficiency ratings when selecting a heater.
4:Are natural gas shop heaters safe?
Yes, when installed and maintained correctly, natural gas shop heaters are safe. Always follow manufacturer guidelines and local codes.
5:Can I install a natural gas shop heater myself?
While some may attempt DIY installation, it’s recommended to hire a licensed professional to ensure safe and compliant installation.
6:What maintenance do natural gas shop heaters require?
Regular maintenance includes checking gas connections, cleaning filters, and inspecting for any signs of wear or damage.
7:How energy-efficient are natural gas shop heaters?
Natural gas heaters typically have high energy efficiency ratings, often exceeding 80%, making them economical for heating large spaces.
Conclusion
Both the Mr. Heater Big Maxx 80,000 BTU Heater and the Mr. Heater Big Maxx Natural Gas Heater exemplify superior engineering and efficiency in heating solutions. The former stands out with its robust output, ideal for expansive spaces, ensuring warmth even in the coldest environments. Meanwhile, the latter offers a versatile and reliable heating option, perfectly suited for various applications, combining power with user-friendly features.
These products not only enhance comfort but also promise durability and cost-effectiveness, making them exemplary choices for those seeking optimal performance. Their innovative designs and operational efficiencies underscore their status as leaders in the market, catering to diverse heating needs with aplomb.





