RacineMaster Appliance: Heat Guns, Heat Blowers, Butane Powered Soldering Irons, Environmental Crimp Spices and Terminals. Home | Product Information | About Us | Heat Technology | What's New | Parts & Service | Contact Us Master Appliance Corp. introduced the first industrial quality heat guns to the worldwide market place in 1958. We were also the first to introduce the catalytic, butane powered soldering iron/heat tool/torch to North America. Today our heat tools are used in thousands of facilities, work shops and in the field for drying, welding, shrinking, soldering, desoldering, gluing a