Since Al Zelczer founded it in 1983, Arzel Zoning has built its identity around practical HVAC zoning technology made at its Cleveland, Ohio factory. The company develops air-driven systems for contractors serving residential and light commercial customers, with retrofit work a particular focus when existing ductwork is difficult to reach. Its U.S.-made products carry a limited lifetime warranty.
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1HVACFounded in Ohio in 1938 as an HVAC manufacturer’s representative, 1HVAC now supplies residential and commercial systems while manufacturing sheet-metal air-distribution products. Its unusual combination of representation and in-house production gives contractors a single source for equipment, ductwork, fans, and related boiler components. The company serves the Dayton-area market and sells across Ohio, while also operating affiliated HVAC businesses in other regions.TROY, OH
ALAN Manufacturing, IncFounded by Richard Bluestone in 1992, women-operated small business ALAN Manufacturing has built its name on U.S.-made HVAC components and custom work from its Wooster facility. With more than 25 years of industry experience and an 85,000-square-foot operation, the company serves residential and commercial customers throughout North America, using in-house tooling when a standard design will not do.WOOSTER, OH
Simplicity Air LtdSince its founding in 1998, Simplicity Air Ltd. has grown from a mobile HVAC service and repair business into an Ontario manufacturer shaped by hands-on field experience. The Hagersville company develops practical climate-control systems for vehicle OEMs, with serviceability and straightforward problem-solving at the center of its approach. Its planned Broadview Heights, Ohio, facility will extend that manufacturing presence into the United States.CLEVELAND, OH
HeatStarFrom its Cleveland base, HeatStar makes heaters for construction sites, industrial spaces, HVAC applications and outdoor dining. Its product line centers on job-site heat, including portable radiant and forced-air equipment, while its Architect Collection brings overhead radiant heating into restaurant and patio settings. HeatStar says its industrial HVAC products, including radiant tube heaters, are assembled in Cleveland, Ohio.CLEVELAND, OH