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50+ Years
experience
Emergency
services
Trusted HVAC Contractors in Cookeville, TN
Since 1961, Carwile Mechanical Contractors has been dedicated to excellence in mechanical contracting, evolving from a small service operation to a full-scale provider serving commercial, industrial, and residential clients. Our commitment to innovation is reflected in continuous technological upgrades, in-house training programs, and a team of NATE-certified technicians. With four specialized divisionsCommercial, Industrial, Residential, and Servicewe deliver comprehensive solutions including design, fabrication, installation, and maintenance of HVAC systems, plumbing, and process equipment.

Rooted in family values, we combine over five decades of experience with licensed engineering expertise to tackle projects ranging from multi-million-dollar builds to residential repairs. Our core principles of integrity, dependability, and personalized service have earned us long-term partnerships with clients across Tennessee, ensuring systems operate efficiently while prioritizing customer satisfaction.
Services
HVAC Installation Preventative Maintenance Plumbing Services Chiller Repair Boiler Maintenance Industrial Systems Ductless Solutions Emergency Repairs
Details
  • Year established: 1961
Highlights and features
  • We employ NATE-certified technicians for industry-leading HVAC expertise
  • Over 55 years of experience serving Tennessee's mechanical contracting needs
  • In-house licensed engineers handle complex design-build projects
  • 24/7 emergency service for critical HVAC and plumbing issues
  • Family-owned business combining generational knowledge with modern technology
Associations and certifications
  • North American Technician Excellence (NATE)
What people say
Exceptionally polite technicians Quick emergency response Professional installation Dependable partners Energy-efficient solutions
Services
HVAC Installation
We install residential and commercial HVAC systems including ductless mini-splits, central heating, and industrial climate control. Our technicians specialize in Mitsubishi Electric systems, ensuring energy-efficient, zoned comfort solutions. Proper installation extends equipment lifespan while maintaining manufacturer warranties.
Preventative Maintenance
Our scheduled maintenance plans cover HVAC systems, boilers, and chillers to optimize performance. Services include component inspections, efficiency testing, and predictive maintenance to prevent unexpected failures in critical environments like medical facilities and manufacturing plants.
Emergency Repairs
Available 24/7 for urgent HVAC and plumbing issues, our certified technicians respond promptly to residential and commercial emergencies. We prioritize restoring comfort and safety while minimizing equipment downtime through rapid diagnostics and repairs.
Industrial Systems
We service specialized industrial HVAC and process equipment including cooling towers, dehumidification systems, and temperature-controlled environments. Our engineers design systems meeting strict pharmaceutical and manufacturing standards while maintaining compliance with industry regulations.
Plumbing Services
From residential drain cleaning to industrial plumbing installations, we handle all aspects of piping systems. Services include backflow prevention, jetter cleaning, and emergency leak repairs using advanced diagnostic tools and code-compliant materials.
People
Gary W. Carwile
Chief Executive Officer
Third-generation mechanical engineer with 50+ years in HVAC contracting. Leads strategic operations while maintaining family commitment to quality service.
Janice Carwile Hodum
Chief Financial Officer
Manages financial operations with retail and administrative expertise. Ensures fiscal responsibility while upholding family business values since 1982.
Joshua R. Carwile
President
Third-generation leader overseeing project management. Combines field experience with strategic planning to maintain operational excellence and client satisfaction.
Earl M. Keith
Engineer/Pre-Construction Manager
Licensed mechanical engineer directing design-build projects. Specializes in system optimization and cost-effective solutions for complex commercial installations.
Mark A. Caldwell
Operations Manager
Mechanical engineering graduate managing daily operations. Focuses on workflow efficiency and technical staff development to maintain service standards.
Questions
What HVAC services do you offer?
We provide installation, maintenance, and repair for residential, commercial, and industrial HVAC systems including ductless solutions and process cooling.
Are your technicians certified?
All service technicians hold NATE certification, ensuring industry-standard expertise in HVAC and refrigeration systems maintenance and repair.
Do you handle emergency service calls?
Yes, our 24/7 emergency service responds to HVAC and plumbing crises with prompt, reliable solutions for residential and commercial clients.
What areas do you serve?
Primarily serving Cookeville, Sparta, and Manchester, TN, with commercial clients across Middle Tennessee's industrial and healthcare sectors.
How long has your company been in business?
Since 1961, we've provided mechanical contracting services, making us one of Tennessee's most experienced HVAC and plumbing contractors.
What maintenance plans are available?
Customizable preventative maintenance agreements cover HVAC systems, boilers, chillers, and process equipment to maximize efficiency and equipment lifespan.
Reviews (4)
Abraham Fernandez
Sep 30, 2021 Report
Jeb and Richard Harris are so easy to work with and show you EVERYTHING you will be paying for. If you have any questions, they are prompt to answer and go into detail. Put the order in for a Rudd unit on 9/15 and they had their guys installed it the very next day. Thank you!
Nunally Drug Store
Aug 05, 2020 Report
Critical:Professionalism,Punctuality,Quality,Responsiveness,Value
TOOK THEM 2 MONTHS TO FIX THE A C UNIT. NOBODY IS RESPONSIBLE AT THIS PLACE. ZERO ON CUSTOMER SERVICE
Cassandra Lowe
Jan 18, 2018 Report
We now have heat! We have had several people come out and "attempt" to fix our Trane system, charging over 1k, still not fixed. A serviceman was here within a couple of hours of initial call, he had the system fixed (gas line cleaned, and connected a loose wire) shortly after he got here!
Brad was courteous and professional, as was each staff person I spoke with. Will be getting their yearly maintenance plan.
James Carter
Nov 30, 2016 Report
I called Carwile to repair my air conditioning. It had stopped working. The first technician diagnosed the problem as being a bad transformer. He replaced it and it still didn't fix the problem. After several hours of "working" on it ( he spent a lot of time on the phone) he said he couldn't fix it and he possibly wired the transformer wrong. The next day another Carwile technician came to fix it.

After several hours of working on it he told me that the first guy wired the transformer wrong. He said because the transformer was wired wrong it damaged another part and since my unit is old they can