10 Best Portable Gas Heater 2025 in the United States

The Mr. Heater MH540T is a powerful portable propane heater designed for outdoor activities like camping, hunting, and tailgating. One of its key strengths is its impressive heating capacity, offering up to 45,000 BTUs with three adjustable heat settings (high, medium, and low). This allows users to customize the warmth to their preference, making it versatile for different weather conditions. The 540-degree radiant coverage is another standout feature, providing wide-reaching heat by combining a 360-degree burner and a 180-degree swivel bracket, effectively warming both people and objects directly around it.

Safety is a priority with this heater, featuring a tip-over safety shut-off that automatically turns the heater off if it’s knocked over, preventing accidents. Additionally, the secure, leak-free connection ensures dependable and safe operation. In terms of ease of use, it boasts a push-button TE valve for quick ignition and also offers a manual match-lit ignition as a backup. However, it’s important to note that this heater is for outdoor use only, which limits its versatility.

Portability is a major plus, as it’s lightweight at just 5.5 pounds and doesn't require any assembly, making it easy to move and set up. On the downside, because it uses propane, it may not be the most energy-efficient option compared to electric heaters. The Mr. Heater MH540T is an excellent choice for those needing a reliable and powerful source of outdoor heat, particularly for active outdoor enthusiasts.

The Camco Olympian Wave-6 Portable Catalytic Safety Heater is designed for RV use with a heating capacity ranging from 3,200 to 6,000 BTUs, ideal for warming up to 200 sq. ft. Its catalytic heating method ensures efficient and safe operation without the need for an open flame, making it a suitable choice for indoor use. The heater is versatile in placement, offering portability with optional leg stands and the ability to function outdoors.

Weighing 15.2 pounds and with dimensions of 20.6 x 13.6 x 6 inches, it is compact enough for various setups. Safety features include a self-generating piezo starter that lasts for 20,000 starts and a safety shut-off valve, contributing to its reliability and longevity. The heater operates silently without a fan or blower, enhancing the comfort level without noise disruption.

However, it should be noted that this model does not include a fan for forced air distribution, which could limit its heat dispersion somewhat. Also, while it is portable, the weight may be a consideration for some users who need to move it frequently. This heater excels in energy efficiency and safety, making it a dependable choice for RV owners or anyone needing a portable heating solution.

The ProCom ML150TPA-B is a compact propane-powered infrared heater designed for indoor use, particularly suitable for spaces like bedrooms, home offices, or small living rooms. It delivers up to 15,000 BTU of heat, effectively warming areas up to 750 square feet, which makes it a solid choice for moderately sized rooms. The heater offers three adjustable thermostat settings (high, medium, low), allowing you to customize the heat output according to your comfort level. One of its notable strengths is safety: it features a built-in oxygen depletion sensor that automatically shuts off the heater if unsafe conditions like low oxygen or carbon monoxide are detected, which is reassuring for indoor use.

Its ventless design means no electricity is needed, making it handy during power outages or emergency situations. The slim, modern design fits well in various room styles and can be wall-mounted or placed on the floor using the included base feet, adding to its portability and space-saving benefits. This heater is best suited for indoor, well-ventilated areas and is not designed for very large spaces or outdoor use. While propane is a convenient fuel type, users need to ensure proper ventilation and safe handling of gas cylinders.

Infrared heating generally provides focused warmth, which can be efficient for personal heating. If you need a reliable, safe, and portable propane heater for an indoor space of up to about 750 square feet, this model represents a practical option.