Rheaco Service Inc. Heating and Air Rheaco Service Inc. Dayton, Tennessee
(423) 664-9876
174 Cemetery Road - Dayton, TN 37321
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Our History
History of Rheaco Service Inc.

In 1982, Carlos Carter and Joe Runyon were working full-time for Bryan College in Dayton, Tennessee. Then they decided to begin service and installation of HVAC equipment as a part-time job. As the volume of work increased, it became apparent that they could not sustain working their full-time and part-time job much less with just the two of them.


A business plan was discussed and one night just before midnight, they had concluded that they would form a joint business venture. Thus the HVAC business of RACO SERVICE was born – Runyon and Carter Operations. The newly formed company rented a space in order to set up a duct fabrication shop and began hiring Service Technicians and Installers. Later that same year, the company was incorporated and became a Lennox® Dealer.


1982, RACO became a Licensed General Contractor, hired additional employees, along with the HVAC portion, began building new buildings, as well as engaging in the remodeling of both residential and commercial properties.


In 1989, Carlos and Joe sold the business to Carlos’s son Phil Carter. Phil changed the name of the company to RHEACO SERVICE, INC. Joe returned to Bryan College for employment as Director of Plant Operations and Carlos formed a trucking business with a fleet of over-the-road transfer trucks.


As RHEACO SERVICE, INC, grew even more, Phil invited Carlos and Joe to return as employees. Carlos became Residential Manager and Joe become Commercial Manager.


In 2003, Phil Carter met with Timothy & Cherie Gentry the founders and owners of UNITED SERVICE, INC.


UNITED SERVICE had served Rhea County in the HVAC industry since 1984. Phil and Timothy decided to merge the two businesses and thus Timothy, Cherie and Phil became co-owners of RHEACO SERVICE, INC.


In 2014, Phil decided it was time for retirement and sold RHEACO SERVICE, INC. to Timothy and Cherie where they both serve in ownership / leadership roles to date. Timothy and Cherie have surrounded themselves with an exceptional staff of employees. Our Service Technicians, Installation Technicians, Custom Fabrication Shop Manager, Office Administrative, Service Manager, Residential and Commercial Managers just can’t be beat.


RHEACO SERVICE is a DAIKIN Pro Dealer as well as a LENNOX Premier Dealer, however we sale and service all makes and models. Timothy Gentry holds the state license with enables RHEACO SERVICE to operate in Tennessee, Georgia and Alabama.


Timothy places a strong emphasis on training which keeps our team above the rest. Training of employees is essential in order to stay current with the ever changing technology in the HVAC industry. Timothy acquires or provides training in both technical as well as safety compliance for our employees. Safety training is most beneficial to us as well as our customers and their property.


RHEACO SERVICE continues to be involved in the design and installation of new commercial and residential systems. The design and sales team performs proper load calculations in accordance with applicable Codes and Standards, and designs systems that conform to those requirements. With this type of practice all applications ensures that our customers can experience a comfort system that is properly sized, thus operating at energy efficient levels and costs.


RHEACO SERVICE provides planned maintenance agreements, sales and repair service for both residential and commercial customers. We also provide 24/7 on-call service that enables our business to respond whenever your comfort level has been compromised.




To provide our customers with the most ethical solution, basing our actions and decisions on a high standard of integrity.




WISDOM is knowing the right path to take.

INTEGRITY is taking it.


It is truly our honor and pleasure to serve YOU our customers.

We appreciate our long and positive relationship with the Rheaco Team of professional, knowledgeable, and friendly staff and look foward to…”  -Don Hamachek

Appreciated Rheaco, so very much, thoroughness and conscientiousness of the tech that you sent out.  -Lauren D. Young

The ladies who answer the telephone are exceptionally nice and professional. They made my request very easy. Thanks!  -Ann Bassham

Thanks so much for taking care of our Heating and Air-Conditioning systems. We love the planned maintenance service, we don't have to…”  -Sylvia Freeman, Soddy-Daisy

Very impressed with workmanship and work ethics of your employess. They did a great job!! Honest, dependable, friendly--hard to find these days!  -Southerland, Dunlap

I found Rheaco to be very professional and very hard working. They were here when they said they would be and very courteous…”  -B. Sale, Chattanooga, TN
Like Us On Facebook  Daikin Comfort Pro Dealer  A+ Member of Better Business Bureau  Member of Dayton Chamber of Commerce  Member of Safety Service Company  Member of ASHRAE Tennessee Valley Chapter  Member of Air Conditioning Contractors of America  Member of green|spaces Chattanooga  Member of International Code Council  Member of Conditioned Air Association of Georgia  Member of Rhea Economic & Tourism Council, Inc.
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