10 Best Outdoor Heaters 2025 in the United States

The 18,000 BTU Big Buddy PRO Series Heater is a versatile propane-powered radiant heater designed for both indoor and outdoor use, making it a flexible choice for people who want heat in spaces up to 450 square feet. Its heating output ranges from 4,000 to 18,000 BTUs, allowing users to adjust the heat with low, medium, and high settings, which helps maintain comfortable temperatures. One of its strong points is safety: it features an automatic shut-off if tipped over, if the pilot light goes out, or if low oxygen levels are detected, making it safer to use in enclosed or semi-enclosed areas. It’s also portable, weighing just over 14 pounds and has a compact pedestal design that is easy to place on the floor or mount on a wall.

The heater runs on propane tanks (not included), providing a clean-burning heat source that is nearly 100% efficient, which means it wastes very little fuel. However, it may shut off at altitudes above 7,000 feet, which could limit its use in high mountain areas. Also, some newer models lack a fan due to import tariffs, so heat distribution might be less even in larger spaces. Users should avoid unauthorized accessories as this can be unsafe and void the warranty.

The bright red color and compact shape give it a practical look, though style isn’t its main focus. This heater is a solid pick for anyone needing reliable, portable heat for patios, garages, or home offices, especially where electric heaters aren’t an option. It combines strong safety features with adjustable heat and decent coverage, making it a dependable option for many situations. Those requiring heat for very large or high-altitude spaces might want to consider other options.

The Haimmy 42-inch Outdoor Electric Patio Heater is a tower-style infrared heater designed to provide quick, focused warmth with its 1500W carbon fiber heating element. Its infrared technology heats objects and people directly, which means you’ll feel cozy almost instantly without waiting for the air to warm up. With nine adjustable heat levels ranging from 620W to 1500W, you can easily customize the temperature to suit your comfort level. This heater covers an area up to 500 square feet, making it suitable for medium-sized patios, porches, or outdoor dining spaces.

Safety is a strong point for this model. It includes tip-over shutoff, overheat protection, and a safety lock feature to prevent accidental use by children or pets. Additionally, its IPX5 waterproof rating ensures it can withstand rain and damp outdoor conditions, so you don't have to worry about using it outside in mild weather. The unit is relatively lightweight at 8.8 pounds and has a slim, modern tower design that fits discreetly in outdoor or indoor spaces without taking up much room.

While it’s portable enough to move around, it’s not cordless—requiring a nearby power outlet—which can limit placement flexibility. Also, the heating area, though decent, might not be enough for very large open spaces or extremely cold conditions. The timer (1-9 hours) and quiet operation add convenience, but if you need more intense or wider heat, a propane or larger heater might be better. This Haimmy outdoor electric heater is a great choice for users wanting safe, instant, and adjustable warmth in small to medium outdoor areas. Its efficient heating and robust safety features make it particularly well-suited for patios, balconies, or covered outdoor spots where electrical power is accessible.

The Amazon Basics 46,000 BTU Outdoor Propane Patio Heater is a solid choice for anyone looking to add reliable warmth to an outdoor space like a patio, cafe, or restaurant area. It offers substantial heat output with 46,000 BTUs, which comfortably heats an area up to about 324 square feet (roughly an 18-foot diameter). This makes it suitable for medium-sized outdoor gatherings where you want to stay cozy. Running on propane, it requires a 20-pound tank (not included), which is a common and easy-to-find fuel source.

One of its user-friendly features is the one-touch ignition, making it quick and simple to start, while the wheels make it easy to move around, adding to its portability. Safety is well thought out with an automatic shut-off if the heater tips over, a weighted water tank base for stability, and a chain to secure the propane tank. These features help give peace of mind when using it outdoors.

The heater’s design is sleek and modern, with a Havana Bronze powder-coated finish that looks attractive and resists rust or wear from outdoor conditions. Standing tall at over 7.5 feet, it provides good heat distribution without taking up much floor space. Since it’s a standalone propane unit, you’ll need to purchase and replace the propane tank separately. While it covers a decent area, larger spaces or very windy conditions might reduce its effectiveness. The height and design mean it’s best suited for open outdoor areas rather than covered or indoor use. This heater serves as a dependable, easy-to-use option for warming outdoor spaces up to medium size, combining powerful heat output with safety and mobility features. It’s especially handy for those who want a commercial or residential heater with a good balance of performance and style.