Mr. Heater heaters are compact, portable heating solutions designed for both residential and commercial use. They operate on propane, natural gas, or liquid propane, offering adjustable BTU outputs to suit various spaces. Key features include safety mechanisms like low oxygen shut-off and automatic fuel cutoff, ensuring reliability in diverse environments.

The design prioritizes portability and efficiency, with models ranging from 4,000 to 50,000 BTU. For instance, the Mr. Heater MH9B Propane heater, a bestseller, delivers 9,000 BTUs and weighs just 25 pounds, making it ideal for temporary spaces like workshops or construction sites. According to market data from 2023, Mr. Heater holds approximately 18% of the U.S. portable heater market, driven by its fuel flexibility and cost-effectiveness. Propane models, in particular, are 20-30% more energy-efficient than electric heaters of similar capacity, as noted by the U.S. Department of Energy. This efficiency translates to lower operational costs, with users reporting a 15-25% reduction in heating expenses compared to electric alternatives. Safety certifications, such as UL listing, further reinforce their popularity. The combination of lightweight design, fuel efficiency, and robust safety features positions Mr. Heater as a leader in the portable heating sector, particularly for applications requiring intermittent or mobile heat sources.