Mr. Heater Buddy HeaterMr. Heater is a leading manufacturer of premium quality portable heaters. Mr. Heater makes radiant, forced-air, and convection type heaters with various models for propane. Heaters range from 4,000 to 200,000 BTU’s, Mr. Heater provides heating solutions for a variety of applications. Outdoor recreation applications for these heaters includes Camping, Fishing, Hunting, and more.