Our Team

Jimmy Hays, Chairman Emeritus

In 1950, Jimmy Hays joined his father, Charles G. Hays, after graduating from Georgia Tech with a degree in Mechanical Engineering. At that time, the family business was still Hays Heating and Plumbing Company. Jimmy eventually became president and expanded the business into air conditioning, the foundation for where Hays Service is today. Jimmy ran the business for over 40 years, and got to see his son and grandson join Hays Service as the company continued to expand.

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Cal Hays, President

Cal Hays joined the company in 1977 after graduating from Georgia Tech. He has worked in every department of the company and was responsible for the partnership between Hays Service and Linc Service in 1989. This partnership led to a service department and eventually a separate service division to help both existing and new customers save on owning and operating costs.

Cal has been married for 36 years and has been blessed with six children and three grandchildren. He enjoys fishing, boating, and most competitive sporting events. When time allows, he visits his sons in St. Simons Island, GA and Boone, NC. He also enjoys watching his girls compete in cross country, track, and soccer.

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Calvin Hays, General Manager

Calvin Hays joined Hays Service in 2009 and is proud to be a fourth generation owner. Calvin has responsibilities in both operations and maintenance sales. He provides oversight for daily operations as well as contract pricing, implementation, and quality control.

He is married to Betsy Hays and has three children. Calvin enjoys spending time with his family at the soccer fields, lake, and beach.

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Bob King, Facilities Consultant

Bob joined Hays Service is 2016. After growing up in Macon, Bob moved away in 1992 as part of a company transfer.

Since 1984, Bob has been providing customer satisfaction consultative sales in the print industry, the latest as a national accounts executive.  He brings 32 years of experience and is tasked with helping building owners find bottom line profits in areas not often researched; uncovering opportunities for reducing energy consumption through lighting, controls, efficient maintenance programs and equipment upgrades.

Bob is a certified personal trainer and enjoys time spent lifting weights, as well as golf and fishing.

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Michael Whitten, Estimator

Michael Whitten joined the company in 1983. He has worked in the mechanical areas of plumbing, piping, and supervision until 2002 when he moved to the service department of the company. Michael is responsible for locating equipment and parts, pricing, estimating, and the project management of HVAC retrofits and new installations.

Michael has been married for 18 years and has three children and two grandchildren. He enjoys reading, fishing, camping, and many outdoor activities. He is an active Boy Scout of America volunteer and currently serves as Troop Committee Chairman for his youngest son’s scout troop.

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Jim Grantham, Manager – Industrial Projects

Jim Grantham joined Hays Service in 1984. With over 40 years of experience in industrial construction and millwright work, Jim can handle any size project. He is responsible for all chiller projects and any carbon, stainless, and plastic piping work. Cool under pressure, Jim expertly manages all time-sensitive situations demanding safety, quality, and speed.

Jim has been married for 37 years and has four children, grandchildren, and great grandchildren.  He enjoys fishing, air boating, and treasure hunting.

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Susan Washburn, Business Systems Manager

Susan Washburn joined the Hays team in 2002.  A graduate of Georgia College, Susan is a CPA and is responsible for the accounting operations of Hays Service.  She is married to Kim Washburn, a painting contractor, and they have three sons.  Susan enjoys traveling, reading, and spending time with her family.

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Alyssa Mathews, Service Coordinator

Alyssa Mathews joined the company in March 2013 bringing with her 15+ years of experience in the customer service industry. As the Service Coordinator for Hays Service, she is responsible for scheduling and dispatching the technicians to ensure that every customer’s need is met with an exceptional level of service.

Alyssa is a Macon native and has 3 amazing children. She is an avid reader who enjoys getting lost in the world of whatever book she happens to be reading, and a self-professed technology nerd who loves discovering new gadgets, games, and software.

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  • Specialized Services

    Whether welded or brazed, threaded or flanged, we can provide experienced piping fabricators and installers for every type of process piping system.

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  • Energy Solutions

    Hays Service specializes in positively impacting your building’s energy consumption, and in turn, decreasing your largest operating cost – energy.

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  • HVAC Maintenance

    Technicians perform scheduled maintenance preventing premature failure and keeping your systems functioning at optimum performance all year round.

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