10 Best Garage Heaters Propane 2025 in the United States

The Mr. Heater Portable Buddy Heater MH9BX is a solid choice for anyone needing a propane heater, whether for a garage, workshop, or outdoor space. With a versatile BTU rating of 4,000 to 9,000, it effectively warms areas up to 225 square feet, making it suitable for small to medium-sized spaces. Its radiant heating technology offers a cozy warmth that feels similar to natural sunlight, directly heating objects and people instead of just the air, which can be a significant advantage in chilly environments.

Portability is one of its strong suits, featuring a fold-down handle and the ability to connect to both 1 lb. and larger 20 lb. propane tanks. This flexibility means you can easily move it around or set it up wherever you need heat. Additionally, the Piezo igniter allows for quick, reliable starting without the need for matches, which is convenient for users who prefer a straightforward operation.

Safety is another highlight; the heater is equipped with a tip-over switch that ensures it turns off if accidentally knocked over, and it also includes a low-oxygen safety shut-off system. This makes it a safer option for indoor use, although it’s crucial to maintain proper ventilation when using propane heaters indoors. Despite its strengths, there are a few limitations. While it’s designed for indoor use, users should be aware of the need for ventilation to avoid carbon monoxide buildup. It also has a relatively short burn time, with only 6 hours on the low setting, which may require frequent refueling if used extensively. Additionally, the unit's design is fairly basic, which might not appeal to those looking for a more aesthetically pleasing option.

The Mr. Heater Portable Buddy Heater MH9BX serves as an efficient, reliable, and portable heating solution that emphasizes safety and ease of use, making it ideal for garage enthusiasts, campers, or anyone in need of reliable warmth in smaller spaces.

The ProCom ML100TBA-B Ventless Propane Gas Blue Flame Space Heater offers a strong 10000 BTU rating, making it capable of heating areas up to 500 square feet. This makes it suitable for small to medium-sized rooms, such as an office, bedroom, or living room. For portability, the heater provides flexibility with included wall mount and base feet options, allowing for both wall-mounted and floor-standing use. Weighing 15.87 pounds, it's relatively easy to move if needed.

Safety is a priority with this heater, featuring a push-button ignition for straightforward use and a built-in oxygen depletion sensor (ODS) that automatically shuts off the heater if oxygen levels drop too low, adding a layer of protection against carbon monoxide. This model boasts thermostat control with high, medium, and low settings, offering customizable comfort levels. Additionally, it operates without the need for electricity, which is convenient during power outages. However, as a ventless heater, it's crucial to ensure proper room ventilation to prevent any potential accumulation of gases.

Despite its practical design, the heater's fuel consumption and running cost can add up, especially if used frequently. In terms of aesthetics, the heater features a modern, slim profile that fits well into various room decors. It is best suited for those who need a reliable heating solution without relying on electrical power.

The Mr. Heater MH540T is a portable propane heater designed for outdoor use, making it ideal for sporting events, camping, and other outdoor activities. With a BTU rating of up to 45,000, it offers adjustable heating options at high, medium, and low settings, allowing users to customize warmth based on their needs. The 540° radiant coverage ensures that heat is distributed widely, effectively warming both people and objects nearby.

One of the standout features is its safety protection; the tip-over shut-off mechanism is crucial for preventing accidents, especially in outdoor environments where stability can be an issue. Additionally, the secure connection to the propane tank helps prevent leaks, adding an extra layer of safety.

Portability is another major advantage, with a lightweight design (weighing only 5.5 pounds) making it easy to transport. The heater also offers dual ignition options, including a push-button TE valve and a manual lighting option, which enhances usability. This heater is designed exclusively for outdoor use, which limits its applicability in enclosed spaces like garages unless they have proper ventilation. The heating coverage is capped at approximately 100 square feet, which may not be sufficient for larger areas. While it heats effectively, it may struggle in very cold conditions or in drafty spaces.