10 Best Propane Heaters 2025 in the United States

The Mr. Heater 18,000 BTU Big Buddy Pro Series Portable Propane Heater is a robust option for those needing efficient heating in spaces up to 450 square feet. With a BTU rating ranging from 4,000 to 18,000, it offers adjustable heat settings (low, medium, high) to maintain a comfortable temperature. This heater is suitable for both indoor and outdoor use, making it versatile. It is clean-burning and highly efficient, ensuring minimal fuel waste.

Safety is a significant strength of this model, featuring auto shut-off mechanisms if tipped over, when the pilot light goes out, or if it detects low oxygen levels, providing peace of mind during use. Portability is another advantage, as it’s designed to be easily moved around. However, the heater can shut off when used at altitudes above 7,000 feet, which might be a limitation for users in high-altitude regions.

Additionally, due to recent changes, some models no longer include a fan, which might affect heat distribution for those versions. The heater connects to standard propane tanks, but it’s important to note that unauthorized accessories are prohibited and could void the warranty. This heater is particularly beneficial for users who require a reliable, portable heating solution with strong safety features.

The Mr. Heater Portable Buddy Heater MH9BX is a versatile propane heater designed to provide efficient heating for small to medium spaces, up to 225 square feet. With an adjustable BTU rating of 4,000 to 9,000, it offers flexibility in heating intensity, making it suitable for various environments such as campsites, workshops, patios, and indoor spaces like bedrooms or home offices. At 8.53 pounds, its fold-down handle adds to its portability, allowing easy transport and setup in different locations.

Safety is a strong point for this heater, featuring a reliable tip-over safety switch and a low-oxygen shut-off system, ensuring safe operation even if the unit is accidentally knocked over or used in enclosed spaces. The Piezo igniter provides quick and match-free ignition, which is convenient and time-saving. Fuel efficiency is respectable, with the heater burning just 0.044 gallons per hour at the lowest setting, allowing for up to 6 hours of continuous use on a small propane cylinder.

One downside is that it may require additional accessories, like an optional hose and filter, to connect to larger propane tanks, which could be an added expense. Additionally, while the heater is rated for indoor use, proper ventilation is crucial to ensure safety. Users will appreciate the convenience and reliability of this heater, although they should be mindful of the limited heating coverage and the need for appropriate fuel source management.

The Dyna-Glo 30,000 BTU Blue Flame Thermostatic Garage Vent Free Wall Heater is a versatile and powerful heater suitable for large spaces up to 1,000 square feet, such as garages or home offices. Its dual-fuel technology allows it to operate on either liquid propane or natural gas, providing flexibility depending on available fuel sources. This heater uses Blue Flame Technology to efficiently warm the air, similar to a central heating system, ensuring even distribution of heat. The built-in thermostat control knob helps maintain a consistent and comfortable room temperature without manual adjustments, making it user-friendly.

Additionally, it doesn't require electricity, which makes it a reliable option during power outages. In terms of safety, it comes with an Oxygen Depletion Sensor (ODS), which is essential for automatically shutting off the heater if oxygen levels drop too low, ensuring safe operation. However, as a wall-mounted unit, it lacks portability, which might be a limitation if you need to move it between different areas.

Fuel consumption can be a consideration as it has a high output of 30,000 BTUs, which means it might use fuel more quickly compared to lower BTU heaters. Despite these considerations, its robust performance and safety features make it a solid choice for those needing a dependable heating solution in larger indoor spaces.