10 Best Portable Propane Heaters With Thermostat 2025 in the United States

The Mr. Heater 18,000 BTU Big Buddy Pro Series Portable Propane Heater is a versatile option for both indoor and outdoor use, capable of heating spaces up to 450 square feet. It boasts a BTU rating range from 4,000 to 18,000, providing flexibility in heat output. The built-in thermostat control allows for easy adjustment between low, medium, and high settings, which helps maintain a steady temperature according to your needs. Safety features include an auto shut-off mechanism that activates if the heater is tipped over, if the pilot light goes out, or if low oxygen levels are detected, making it a safe choice for various environments. However, the heater may experience shut-offs at altitudes above 7,000 feet, which could be a drawback for high-altitude users.

Portability is a strong point, with the unit being relatively easy to move and set up. The clean-burning, nearly 100-percent efficient design ensures minimal waste and efficient use of fuel. However, it's worth noting that the heater does not come with a fan in some models due to recent changes in import tariffs, which may affect heat distribution. While the ignition system is straightforward, it requires connection to a propane tank that is not included in the purchase. This heater is ideal for users looking for a reliable and efficient heating solution that prioritizes safety and ease of use, though those in high-altitude areas might need to consider its limitations.

The Mr. Heater 30,000 BTU Vent Free Radiant Propane Heater is designed to provide efficient and effective heating for medium-sized spaces, making it ideal for cold rooms, sunrooms, cabins, and additions. With a powerful output of 30,000 BTUs, it can cover areas up to 1,000 square feet, delivering a warm and cozy atmosphere. One of its main strengths is the advanced infrared technology that radiates heat directly to objects and people, mimicking the natural warmth of the sun, which many users find comforting.

This heater also boasts excellent fuel efficiency, consuming only about 1.389 lbs of propane per hour. This means a minimum 20 lb LP cylinder can provide heat for up to 14.39 hours, allowing for prolonged use without frequent refueling. The built-in thermostat simplifies temperature control, making it easy to maintain a desired warmth level in your space.

Safety is another strong point, as the heater includes an automatic low-oxygen shut-off system that detects drops in oxygen levels, ensuring a safe environment while heating. The battery-powered electronic ignition provides a convenient start-up method, allowing you to get warmth quickly with minimal fuss. However, there are a few drawbacks to consider. The unit is designed for indoor use only and requires proper ventilation, which may limit its placement options in your home. Additionally, while the heater is portable at 30.1 pounds, the wall-mount design may make it less mobile compared to other portable heaters that can easily be moved from room to room. Furthermore, some users might find it a bit bulky for smaller spaces.

This heater is a solid choice for those needing a powerful and efficient heating solution in larger indoor areas, especially in colder climates. Its safety features and thermostat control make it user-friendly, though potential buyers should consider its installation requirements and space suitability.

The Bluegrass Living B28TPIR-BB Propane Vent Free Infrared Gas Space Heater is a robust option for those looking to efficiently heat spaces up to 1,450 square feet. With a high BTU rating of 30,000, this heater is suitable for various residential uses like living rooms, bedrooms, and garages. The built-in thermostat control is a valuable feature, allowing the heater to automatically cycle on and off to maintain the desired room temperature, which adds to user convenience and comfort.

Additionally, the heater is nearly 100% efficient, meaning it provides substantial heat without the need for external ducts or chimneys, contributing to energy conservation and environmental protection. Safety is a crucial aspect of any heating device, and this model addresses it well with a push-button ignition system and a built-in oxygen depletion sensor (ODS) that shuts the heater down if unsafe conditions are detected, such as low oxygen or the presence of carbon monoxide. This safety feature is ANSI Certified, ensuring it meets rigorous standards.

Weighing 25.8 pounds and with dimensions of 24”D x 8.5”W x 25.5”H, the heater is somewhat bulky, which might challenge its portability for some users. On the bright side, it does not require electricity, making it highly reliable during power outages or emergencies. The Bluegrass Living B28TPIR-BB provides powerful and efficient heating with essential safety features, making it a strong candidate for those needing a reliable propane heater with a thermostat. Yet, its bulkiness suggests it may not be perfect for everyone.