10 Best Kerosene Shop Heaters 2025 in the United States

The Protemp 175,000 Btu Kerosene/Diesel Forced Air Heater with Thermostat (PT-175T-KFA) is a powerful heater designed for large spaces such as construction sites, garages, and outdoor events. With a heating capacity of 175,000 BTU, it is capable of heating up to 4,300 square feet, making it suitable for extensive areas. One of its strong points is the long run time of up to 10 hours on a full tank, which ensures prolonged heating without frequent refueling.

It operates on K-1 kerosene and can also use various diesel fuels, adding to its flexibility. Safety is a priority with features such as automatic high-temperature shut off, flame-out fuel cut, and a thermocouple, which provide peace of mind during operation. The heater is built with durable steel construction and includes user-friendly features like a built-in thermostat, LED digital readout, and easy-to-use fuel cap and handles. Portability is enhanced by its solid wheels and easy lift handles, although its weight of 66 pounds might be cumbersome for some users.

While it has a 1-year limited warranty and requires assembly, it is a great choice for those needing a robust and reliable heating solution for large spaces. Users should consider the weight and potential noise levels before purchasing.

The Sengoku Indoor & Outdoor Kerosene Heater is a versatile option for anyone needing efficient heating in both indoor and outdoor spaces. With a robust heating capacity of 23,500 BTU, it can effectively warm areas up to 900 square feet, making it suitable for garages, poorly insulated rooms, and outdoor work environments. One of its appealing features is the high-capacity 1.9-gallon fuel tank, which allows for a runtime of up to 12 hours on a single fill, providing prolonged warmth without frequent refueling.

Safety is a major consideration with this heater, as it comes equipped with an automatic fuel shut-off system, a tip-over switch for indoor use, and protective grills. These features help ensure a safer environment, especially if you're using it indoors, which is essential for peace of mind. Additionally, the heater is designed for easy ignition with a push-to-start button, eliminating the hassle of matches or electrical power, making it a practical choice during power outages.

Portability is another strength; weighing in at 22 pounds and with dimensions that make it easy to move, it can be repositioned as needed. However, it's worth noting that while it operates quietly, some users may still find a low noise level, which could be a factor if absolute silence is desired. On the downside, the heater may not be the best fit for smaller spaces due to its powerful output, which could lead to overheating in confined areas. Additionally, while it is equipped for safety, proper ventilation is necessary when using it indoors to avoid any potential buildup of harmful fumes. The design, while functional, may not appeal to everyone’s aesthetic preferences.

The Sengoku heater is a well-rounded choice for those in need of reliable supplemental heat in larger spaces, provided that safety precautions are followed and it is used in the appropriate environments.

The Mr. Heater MH125KTR is a powerful kerosene shop heater designed for outdoor use in construction sites, garages, and workshops. With a heating capacity of 140,000 BTUs, it can efficiently warm up to 3,500 square feet, making it ideal for larger spaces. One of its standout features is its fuel flexibility, allowing it to run on kerosene, diesel, fuel oil, and Jet A Fuel (JP8), which can be very convenient depending on available fuel sources.

The built-in thermostat and fuel gauge add to its user-friendliness, ensuring precise temperature control and easy fuel level monitoring. Safety is well addressed with a high-limit safety switch and a photo CAD cell to ensure proper combustion and prevent overheating. It also includes durable construction features like dual powder-coated steel handles, flat-free tires, and a split upper shell for easy maintenance, enhancing its portability and toughness on rugged job sites.

This heater is a strong choice for those needing robust heating capabilities and fuel flexibility for large outdoor workspaces, but potential buyers should consider their noise tolerance and the outdoor-only specification.