Keystoker had its inception in 1946.
Two electrical engineers saw the need for a way to conveniently burn anthracite coal, which was plentiful at the time, but heating with coal had a bad reputation of being dirty and required maintenance several times a day. Our engineers developed an automatic stoker unit equipped with a coal hopper that held enough fuel for several days. This allowed the coal to be cleanly burned and without frequent maintenance. They then saw the need to make a hot water boiler specifically designed to burn coal and built them in multiple sizes to meet our customers’ needs.
As prices of energy continued to escalate, Keystoker continued its research. Over 60 years of research has developed a patented feed in system, a patented flat grate, and a patented thermal heat exchange, which has produced the highest efficiency possible.
Keystoker is Made in America with American Technology and utilizing American resources is now know internationally for its simplicity, quality, and dependability, all this and still an economical price.
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