The Mr. Heater F260560 Big Maxx MHU80NG is a top-tier natural gas unit heater, providing an impressive 80,000 BTU output. This heater is ideal for large spaces, ensuring efficient heating and comfort during cold months. With its sleek black design, it seamlessly fits into any environment while maintaining functionality.
Versatile and user-friendly, the MHU80NG is perfect for workshops, garages, and warehouses. Its robust features, including a reliable ignition system and adjustable thermostat, make it a favorite among users. The heater’s durable construction ensures longevity, making it a worthy investment.
In this review, you’ll learn about the Big Maxx’s key benefits, installation tips, and customer experiences. Get ready to embrace warmth with the Mr. Heater F260560 Big Maxx MHU80NG!



Mr. Heater Big Maxx Natural Gas Heater
The Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater is engineered to provide efficient heating in large spaces, making it ideal for warehouses, garages, and workshops. With dimensions of 29.33” L x 15.50” W x 26.37” H, it covers an impressive area of up to 2,000 square feet, ensuring warmth in expansive environments. Constructed from durable materials and finished in a sleek black, this heater not only performs well but also complements various settings.
One of the standout features of the Big Maxx is its powerful performance, boasting an output of 80,000 BTU. This unit operates on natural gas and includes a liquid propane conversion kit, enhancing its versatility. The powered exhaust allows for both vertical and horizontal venting, making installation flexible and straightforward. Additionally, the spark ignition system with a self-diagnostic control module ensures reliable operation.
Pros
- High heating capacity suitable for large spaces.
- Durable construction ensures longevity.
- Flexible venting options for easy installation.
- Includes conversion kit for liquid propane use.
Cons
- Thermostat and regulator not included.
- Requires a minimum clearance of 8 ft. from the floor.
This heater is best suited for users needing robust heating solutions in commercial or large residential spaces. While it excels in performance, potential buyers should consider the additional costs of a thermostat and installation requirements. Overall, the Mr. Heater Big Maxx is a valuable investment for anyone seeking reliable and efficient heating.
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Mr. Heater Big Maxx Natural Gas Heater
Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater is designed to provide efficient heating for large spaces, making it ideal for homeowners, workshops, and garages needing reliable warmth. With a powerful output of 50,000 BTU per hour, this heater can effectively heat areas up to 1,250 sq. ft. Its sleek black design and durable construction ensure it fits seamlessly into any environment while providing optimal performance.
This unit features a powered exhaust system that allows for both vertical and horizontal venting, enhancing installation flexibility. The easy outside access to the thermostat, A/C terminals, and gas connection simplifies setup, while the included conversion kit enables a switch from natural gas to liquid propane, accommodating various fuel preferences. However, it requires a minimum clearance of 8 feet from the floor to the base of the heater.
Pros
- High heating capacity of 50,000 BTU, suitable for large areas.
- Powered exhaust for versatile venting options.
- Easy installation with accessible connections.
- Conversion kit included for fuel flexibility.
- Durable construction with a long warranty on key components.
Cons
- Requires significant clearance for safe operation.
- Initial investment may be higher than basic heaters.
- Installation may require professional assistance.
Overall, the Mr. Heater F260550 Big Maxx MHU50NG stands out for its performance and user-friendly features, making it a top choice for those needing dependable heating solutions in sizable spaces. Its combination of power and versatility makes it an excellent investment for anyone looking to enhance their comfort during colder months.
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Mr. Heater 4 Inch Vertical Vent Kit
The Mr. Heater F102848 4 Inch Vertical Vent Kit is designed to facilitate the installation of the Big Maxx MHU80LP and MHU80NG unit heaters, making it ideal for homeowners and contractors looking to optimize their heating solutions. This vent kit includes an adjustable roof flashing and a 3″ to 4″ adapter, ensuring a secure and efficient venting system. Its gray color blends seamlessly with most rooftops, while the durable materials guarantee long-lasting performance.
This vent kit addresses the common issue of improper venting, which can lead to inefficient heating and safety hazards. By maintaining proper clearances through combustible construction, it significantly enhances the user experience and ensures compliance with local codes.
Pros
- Easy installation with adjustable components.
- Durable materials ensure long-term reliability.
- Compatible with both MHU80LP and MHU80NG models.
- Maintains safety standards by ensuring proper clearances.
Cons
- May require additional parts to meet specific local codes.
- Limited to specific heater models, which may not suit all users.
The performance of the Mr. Heater F102848 Vent Kit is commendable, providing a seamless connection for efficient exhaust. Its standout feature is the adjustable roof flashing, which accommodates various roof pitches. Best suited for professional installers and DIY enthusiasts, this vent kit simplifies the heating setup process. While it may have minor limitations regarding additional parts, its overall value and functionality make it a worthy investment for those using the Big Maxx heaters.
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Mr. Heater 125K BTU Unit Heater
The Mr. Heater Corporation F260590 MHU125NG NG 125K BTU Unit Heater is designed to provide efficient heating for large spaces, making it ideal for workshops, garages, and other expansive areas. With a powerful output of 125,000 BTUs, this heater effectively covers up to 2,000 square feet, ensuring optimal warmth during cold weather. Its robust construction includes durable materials, and it features a sleek design that fits well in any industrial or home setting.
This unit heater solves the problem of inadequate heating in large environments, enhancing comfort and productivity. The electronic ignition and powered exhaust system provide reliable operation, while the included liquid propane conversion kit offers versatility in fuel options.
Pros
- Powerful heating capability for large areas.
- Durable construction ensures long-lasting performance.
- Easy to use with electronic ignition and powered exhaust.
- Versatile fuel options with propane conversion included.
Cons
- Initial setup may require professional assistance.
- Higher price point compared to smaller heaters.
The Mr. Heater MHU125NG stands out with its reliable performance and user-friendly features, making it suitable for contractors, DIY enthusiasts, and anyone needing substantial heat in large spaces. Minor drawbacks include the potential need for professional installation and a higher cost, but the benefits far outweigh these concerns. This unit is a valuable investment for those seeking efficient and effective heating solutions.
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Mr. Heater 80,000 BTU Natural Gas Heater
The Mr. Heater Natural Gas Unit Heater 80,000 BTU/Hr. MHU80NG is designed to efficiently heat large spaces, making it ideal for workshops, garages, and industrial settings. With the capability to heat areas up to 1,000 square feet, this unit is perfect for homeowners and business owners looking for a reliable heating solution. Its dimensions and robust construction ensure durability and effective performance in various environments.
This heater features a spark ignition with a self-diagnostic control module, simplifying the startup process and enhancing safety. The included angle brackets facilitate easy ceiling mount installation, while the 4-inch flue size and 1/2-inch gas connection streamline setup.
Pros
- Efficiently heats areas up to 1,000 sq ft, ideal for large spaces.
- Easy installation with included angle brackets.
- Self-diagnostic control module enhances reliability.
- Durable construction ensures long-term use.
Cons
- Requires natural gas connection, limiting portability.
- Initial setup may require professional assistance for some users.
Performance-wise, the Mr. Heater MHU80NG stands out with its powerful heating capacity and user-friendly features. It is best suited for those needing a dependable heating solution in substantial spaces. While it excels in functionality, potential users should consider the necessity of a natural gas supply and installation requirements. Overall, this heater offers exceptional value for anyone seeking efficient heating for large areas.
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Faq about Best Mhu80ng Big Maxx Heater:
1: What is the heating capacity of the Mhu80ng Big Maxx Heater?
The Mhu80ng Big Maxx Heater has a heating capacity of 80,000 BTUs, making it suitable for large spaces.
2: What type of fuel does the Mhu80ng Big Maxx Heater use?
This heater operates on propane or natural gas, providing flexibility in fuel choice.
3: Is the Mhu80ng Big Maxx Heater portable?
Yes, it is designed to be portable, allowing easy movement between locations as needed.
4: What is the average runtime of the Mhu80ng Big Maxx Heater?
The heater typically runs for up to 12 hours on a full tank of propane, depending on usage.
5: Does the Mhu80ng Big Maxx Heater require electricity?
No, it operates independently of electricity, making it ideal for outdoor use and power outages.
6: What safety features does the Mhu80ng Big Maxx Heater have?
It includes an automatic shut-off feature and a safety tip-over switch for enhanced safety.
7: Can the Mhu80ng Big Maxx Heater be used indoors?
It is not recommended for indoor use due to potential carbon monoxide buildup; use it in well-ventilated areas only.
Conclusion
Both the Mr. Heater Big Maxx Natural Gas Heater and the Best Mhu80ng Big Maxx Heater exemplify exceptional performance in heating solutions. The Mr. Heater model stands out for its impressive efficiency and robust design, catering to larger spaces with ease, while the Best Mhu80ng variant offers versatility and user-friendly features, making it ideal for various applications.
Ultimately, these products reflect a commitment to quality and innovation, ensuring optimal comfort and warmth. Their distinctive attributes cater to diverse heating needs, establishing them as leading choices in the market.