10 Best Propane Shop Heaters 2025 in the United States

The Mr. Heater Propane Unit Heater MHU80LP delivers a powerful 80,000 BTU per hour, making it well-suited for heating spaces up to 1000 square feet. With forced air as its heating method, it ensures a consistent and effective distribution of warmth, which is ideal for larger shop areas. The heater's spark ignition with a self-diagnostic control module adds reliability and ease of use, reducing troubleshooting time in case of issues.

Furthermore, the included angle brackets simplify the ceiling mount installation, allowing for flexible placement within the shop environment. However, the unit's 90.1-pound weight may pose challenges for portability, making it less convenient to move once installed. While the 4-inch flue size and 1/2-inch gas connection are standard, they need proper setup, which might require professional installation.

On a positive note, the product comes with a generous warranty—three years on parts and burners, and ten years on the heat exchanger—indicating the manufacturer's confidence in its durability. This heater is a strong candidate for those needing a robust and efficient heating solution for larger spaces, provided they can manage the installation.

The Mr. Heater MH170QFAVT is a high-output propane forced air heater, capable of delivering between 125,000 to 170,000 BTU per hour, which makes it well-suited for large job sites, garages, and other extensive workspaces, efficiently heating areas up to 4,250 sq ft. One of its standout features is the Quiet Burner Technology, which allows it to operate 50% quieter than many other propane heaters, creating a more comfortable work environment. Portability is another key advantage; it includes a heavy-duty handle for easier transportation and is built with durable materials to withstand tough conditions.

For safety, the heater is equipped with high-temperature limit switches and thermoelectric safety valves, providing peace of mind during operation. The automatic solid-state ignition and variable-rate thermostat ensure ease of use and control over the heating output. It also offers an extended runtime of up to 17 hours on a 100 lb propane tank, making it highly efficient for prolonged use. However, the heater does require a 110v outlet and is best suited for outdoor or well-ventilated areas due to its forced air design.

A minor drawback could be its assembly requirements, which might be a hassle for some users. Additionally, its relatively high fuel consumption may not be ideal for small-scale or infrequent use. This product is excellent for those needing reliable, high-capacity heating in large, open areas and for heavy-duty applications.

The Heatstar 30000 Btu Vent Free Radiant Propane Heater is a robust choice for heating larger areas, thanks to its high BTU rating of 30,000, making it suitable for shops and garages. It is designed to efficiently heat without requiring ventilation, which can be a significant advantage in enclosed spaces. The adjustable thermostat enhances user convenience by allowing precise control over the temperature, while the battery-operated electronic ignition ensures easy start-up, adding to its user-friendliness.

A considerable benefit is its ability to operate during power outages, although the blower requires electricity to function, which might limit its effectiveness in such scenarios. Safety is well-addressed with a built-in low oxygen sensor, which is crucial for indoor usage, ensuring safe operation. The heater's portability is moderately good, with options for both wall mount and free-standing installation.

At 1 pound, it might not offer the sturdiness some users expect from shop heaters. The black color is neutral, fitting into various shop aesthetics. This heater is a solid option for anyone looking for an efficient, safe, and easy-to-control heating solution, especially valuable in areas prone to power outages, though its reliance on electricity for blower operation could be a drawback for some.