10 Best Propane Gas Heaters 2025 in the United States

The Mr. Heater Portable Buddy Heater MH9BX offers an adjustable BTU rating from 4,000 to 9,000, making it suitable for heating spaces up to 225 sq. ft. This range ensures you can customize your warmth level, whether you are in a camper, workshop, or patio. One of its standout features is its enhanced safety measures, including a tip-over safety switch and a low-oxygen shut-off system, which add peace of mind during use.

The Piezo igniter provides reliable and quick ignition without the need for matches or lighters, simplifying the operation process. Another advantage is its portability; with a fold-down handle and a weight of 8.53 pounds, it is easy to transport and set up wherever needed. The heater connects to a 1 lb. propane cylinder but can also adapt to a 20 lb. tank with an optional hose and filter, offering flexible fuel usage.

The fuel consumption is relatively high, with a burn rate of 0.044 gal/hr at 4,000 BTU and 0.099 gal/hr at 9,000 BTU, which might mean frequent refueling for prolonged use. Despite this, its fuel efficiency allows for up to 6 hours of heating on the low setting. The product is compact in size, measuring 7.7”D x 13.4”W x 15”H, making it easy to fit in various spaces.

The Mr Heater 4000 to 18000 BTU Portable LP Gas Heater is designed for versatile indoor and outdoor use, making it a great choice for camping, patios, and workshops. With a BTU range of 4,000 to 18,000, it can effectively heat areas up to 450 square feet, ensuring comfort in various settings. One of its standout strengths is its dual tank connection option, allowing it to run with larger propane tanks, which means longer usage without frequent refills. The simple ignition system is user-friendly, thanks to a single control knob and a reliable piezo sparking mechanism. Additionally, safety features like automatic shutoff in case of tipping and low-oxygen shutoff provide peace of mind during operation.

However, there are a few drawbacks to consider. While the heater is portable at 15 pounds, it may still be cumbersome for some users needing to frequently transport it. Also, the lack of included components like hoses, filters, and batteries might lead to additional costs and required purchases. Furthermore, while it's rated for both indoor and outdoor use, users should be cautious and ensure proper ventilation when using it indoors to avoid any safety issues.

The Mr. Heater MH540T is a robust propane heater designed for outdoor use, making it a solid choice for activities like camping, tailgating, or sporting events. With a BTU rating of up to 45,000, it offers three heat settings (high, medium, low) which can effectively warm an area of about 100 square feet, making it suitable for small gatherings or enclosed porches. One of its standout features is the 540° radiant coverage, which ensures that heat is distributed evenly in all directions, providing comfort to everyone around.

Safety is a key focus with this heater. It includes a tip-over safety shut-off feature, which adds peace of mind, especially in outdoor settings where it might accidentally get bumped. The secure POL connection minimizes the risk of fuel leaks, ensuring reliable operation.

Portability is another strength, as the heater is lightweight at just 5.5 pounds and requires no assembly, making it easy to transport and set up wherever you need warmth. The easy ignition process, with both a push-button option and backup manual lighting, adds to its user-friendly design.

The heater is designed for outdoor use only, which restricts its versatility for indoor heating. Additionally, while it has impressive heating capabilities, some users may find that it struggles to heat larger areas effectively. The reliance on propane means that you'll need to manage fuel supplies, which could be inconvenient during extended outdoor events.

The Mr. Heater MH540T propane heater excels in providing portable and adjustable heating with strong safety features, making it a great fit for outdoor enthusiasts. Its limitations in heating larger spaces and indoor usage should be kept in mind when considering your needs.