Category: Emblems and Badges
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The History of Bethlehem Dynatherm Boilers and Heating Systems
The roots of Bethlehem’s heating legacy go all the way back to 1832, when a man named Ernst Lehman started a small brass foundry and coppersmith shop in the heart of Bethlehem, Pennsylvania. His son, B.E. Lehman, helped grow that little shop into something bigger, the Bethlehem Foundry & Machine Company, officially established around 1863…
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HVAC History: United States Radiator Corporation
The American Radiator Company was officially formed in 1892 through the merger of five heating-related companies, most notably the Detroit Radiator Company. The goal was to unify the growing radiator and boiler manufacturing industry, which was becoming vital for heating homes, schools, and office buildings during the industrial expansion of the late 19th century. By…
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The History of Janitrol Heating and HVAC Systems
The Janitrol brand traces its roots back to the late 1920s, when it was originally developed by the Surface Combustion Company of Toledo, Ohio. Founded in 1915, Surface Combustion was a pioneer in industrial heating equipment, and in 1927, it launched the Janitrol division to focus on small-scale heating systems. The name “Janitrol” itself was…
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HVAC History: The History of Stewart-Warner Furnaces
When most people hear “Stewart-Warner,” they think of classic cars and dashboard gauges, but the company also had a surprising role in heating American homes. Starting in the 1920s and ’30s, Stewart-Warner expanded into HVAC, producing oil and gas furnaces under names like “Heatmaster.” These units were modern for their time: compact, automatic, and built…
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Bryant Furnace History: The Story of “Let the Pup Be Your Furnace Man”
Back in 1904, a man named Charles Bryant started a company in Cleveland, Ohio, with a simple goal: to make home heating more reliable and efficient. At a time when many people were still using wood or coal to stay warm, Bryant saw a better way: gas-powered heating that was cleaner, safer, and easier to…
HVAC History 