Firetube Boilers
Johnston Boiler Company is known for quality, dependability, and efficiency. Johnston manufactures the highest quality packaged boilers on the market. Our boilers are used for process as well as commercial applications. With Johnston, we can reduce your operating costs. We have the highest efficiencies and best warranties in the industry. Our main products consist of water-back, firetube, 3- or 4-pass, steam or hot water firetube boilers.
