Baltimore Aircoil buys Coil Design to continue growth of Dayton, Tennessee, plant

Staff Photo by Dave Flessner / The 188,000-square-foot Coil Design plant in Dayton, Tenn., is projected to add more workers under its new owners, Baltimore Aircoil Co..
Staff Photo by Dave Flessner / The 188,000-square-foot Coil Design plant in Dayton, Tenn., is projected to add more workers under its new owners, Baltimore Aircoil Co..

DAYTON, Tenn. — When Paul Guariglia learned about the closing of Goodman's air conditioning plant here in 2016, the New Jersey businessman saw an opportunity to use the coil manufacturing equipment in the shuttered Tennessee factory to help launch his new Coil Design Co.

Over the past five years, Guariglia and his business partners, Aron Harrington and Rick Larson, have grown the heating and cooling coil production plant to 115 employees. That's a fraction of the 705 workers Goodman once employed at the Dayton plant, but Guariglia said he expects sales for Coil Design to jump another 50% this year even with a slower-growing economy for the heating, ventilation and air conditioning market.

In fact, the business is growing so much that Guariglia and his partners decided to sell Coil Design to Baltimore Aircoil Co. to help fund the capital investments and expansion planned in the next year.

"We expect to add another 80 employees in the next year," Guariglia said in a telephone interview Wednesday. "We had such a positive response to our product and such rapid growth, we needed to invest millions of dollars into the company to continue its growth, and my partners and I are not rich guys, and we didn't have the cash to invest that Baltimore Aircoil can bring to this business."

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Baltimore Aircoil is taking over operation and ownership of Coil Design, and Guariglia said the company founders will remain as employees of the growing company. Baltimore Aircoil, which began in Baltimore in 1924, has grown into one of the leading cooling equipment makers for the commercial, industrial and refrigeration markets around the globe and two years ago expanded its European presence by acquiring Eurocoil in Italy.


Baltimore Aircoil entered into a joint venture agreement with Coil Design in 2019 and will now operate as a subsidiary business under the Coil Design name.

"The full acquisition of Coil Design and our previous acquisition of Eurocoil in 2021 positions BAC to accelerate the development of industry-leading evaporative hybrid and adiabatic technologies, furthering our vision to reinvent cooling to sustain the world," Don Fetzer, president of Baltimore Aircoil, said in a statement.

From its 188,000-square-foot plant on Manufacturers Road in Dayton, Coil Design produces heating and cooling coils for the commercial HVAC and refrigeration industries and aftermarket.

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The company initially used third-party producers in New Jersey but then relocated into the former Goodman plant in 2017 to begin making coil tube diameters, fin surfaces and materials of construction to handle HVAC applications.

"Coil Design has proven they truly understand customer needs and innovate to meet those needs, which matches BAC's culture and values," Dave Klee, the general manager for Baltimore Aircoil, said in a news release. "We welcome Coil Design's employees, including Coil Design's founders, to the BAC family and look forward to having a successful future together."

Next week, Coil employees will shift their wage and benefit plans under the Baltimore Aircoil umbrella, which Guarilgia said would enhance most workers' retirement plans.

Contact Dave Flessner at [email protected] or 423-757-6340.

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