Founded in 1945 by Sidney Schonberger, Adams Manufacturing Company makes heating and indoor-air equipment, from its original gas conversion burners to furnaces, unit heaters and air cleaners. The Cleveland manufacturer expanded its facilities to 75,000 square feet while adding the Dornback furnace line, and remains a family-run business led by the Schonberger family. Adams is also known for its condensing oil-fired furnace, developed through a National Oil Research Alliance grant and offered in models reaching 99% efficiency.
CSA Design Certified for USA and Canada
CTL Design Certified for U.S.A. & Canada
CSA
Quality certification
CTL
Quality certification
Charles A. Hones, IncSince 1911, family-run Charles A. Hones, Inc. has designed and manufactured industrial gas burners, heat-treating furnaces, and metal-melting equipment in the United States. Now six generations strong, the Hones family builds its equipment at a 12,500-square-foot New York plant, including custom burners and modified furnaces made to fit unusual heating requirements. The company began in a Brooklyn storeroom making soldering furnaces and later grew into a specialist serving metalworking, foundry, artistic, and commercial heating applications.CLEVELAND, NY
Boyertown Furnace CompanyBoyertown Furnace Company manufactures heating equipment, including oil-fired warm-air furnaces and boilers. The Hallmark furnace was designed and manufactured beginning in 1939; Boyertown Furnace took over its manufacturing in 1981 and moved manufacturing facilities to Boyertown, Pennsylvania, in 1980. Its employees continue the Hallmark tradition of craftsmanship and serviceability.BOYERTOWN, PA
Valad Electric Heating CorpFounded by Dante and Mary Cecchini in 1940, Valad Electric is a third-generation family-owned manufacturer whose story began in a 200-square-foot shop and grew into a 40,000-square-foot plant in Montgomery, New York. The company is known for designing and making American-built industrial heating equipment for commercial, industrial, military and marine customers, with custom work handled in-house from fabrication through testing.MONTGOMERY, NY
C. A. Litzler Co., IncThree generations of the Litzler family have built C. A. Litzler Co., Inc. into a Cleveland manufacturer known for long-running relationships and deep industrial heat-processing experience. For 70 years, the company has engineered custom equipment for manufacturers worldwide, with hundreds of its units still operating and field support available from the United States and China.CLEVELAND, OH