10 Best Garage Heater For 2 Car Garage 2025 in the United States

The Dr Infrared Heater DR-238 is a versatile heater suitable for both indoor and outdoor use. Its heating capacity is adjustable with three power settings—900W, 1200W, and 1500W, making it flexible for various heating needs. The heater uses electric power, making it convenient with standard 120V outlets and avoiding the complexity of fuel storage or refills. Safety features include being IP55 approved, indicating a good level of protection against dust and water, making it safe for outdoor use as well.

The heater does not feature a built-in thermostat control, which means you’ll need to manually adjust the settings or use the included remote control. Installation is straightforward with wall and ceiling mounting options, but it might be less portable since it needs to be fixed in place. At 8 pounds, it is relatively lightweight for its category. Noise levels are not specifically mentioned, but infrared heaters are generally quiet in operation.

The heater has high reflectivity with 90% efficiency, ensuring effective heating. It comes with a 1-year limited warranty. This heater is a good option for those looking for a versatile, electric-powered heater for both indoor and outdoor use, but it may not be the best choice for those needing precise BTU specifications and advanced safety features in a 2-car garage.

The Mr. Heater F260560 Big Maxx MHU80NG is designed to efficiently heat a 2-car garage, boasting a powerful 80,000 BTU output, which can comfortably warm up to 2000 square feet. Its natural gas fuel type is efficient for long-term usage, making it a good choice for those who prefer a reliable heating source without the hassle of refueling often. The design includes powered exhaust, allowing for flexible vertical or horizontal venting, which can be a significant advantage when configuring your garage space for optimal heat distribution.

Safety is a prominent feature with this heater, as it comes equipped with a high-temperature safety shut-off, which is crucial for preventing overheating and ensuring peace of mind. Additionally, the self-diagnostic control module enhances its reliability by making it easier to identify any issues that may arise.

While the unit is relatively compact in size, it is important to note that it requires a minimum clearance of 8 feet from the floor to the base of the unit, which could be a restriction in lower garages. Lastly, those looking for an efficient and powerful garage heater will find the Mr. Heater Big Maxx a strong candidate, provided they are ready to handle the installation aspects and additional equipment purchases.

The Mr. Heater F260550 Big Maxx MHU50NG is a powerful natural gas heater designed for larger spaces like a two-car garage, offering a heating capacity of 50,000 BTU per hour. This impressive output means it can effectively heat areas up to 1,250 square feet, making it an excellent choice for those looking to maintain a comfortable temperature in their garage, especially during colder months.

One of the standout features is its dual venting option, which allows for either vertical or horizontal exhaust, providing flexibility in installation according to your garage's layout. The unit comes with a conversion kit for switching from natural gas to liquid propane, making it adaptable to different fuel sources. Additionally, the easy access to thermostat and other terminals simplifies setup and maintenance. Safety is also prioritized, with features like a high-temperature safety shut-off switch, which can be crucial in preventing accidents in enclosed spaces. The unit requires a minimum clearance of 8 feet from the floor, which may pose challenges in garages with lower ceilings.

The installation might require professional help if you’re not comfortable with gas connections and venting systems, potentially incurring additional costs. Also, while it operates relatively quietly, any gas heater will produce some noise, which might be noticeable in quieter environments. The limited warranty on parts and burners is a reassuring aspect, but the 10-year warranty on defects in the heat exchanger suggests that it's designed with durability in mind. The Mr. Heater Big Maxx is well-suited for anyone needing a robust heating solution for a sizable garage, but potential buyers should be prepared for the installation requirements and maintenance that come with a natural gas heater.