East Tennessee’s Leading Commercial Plumbing & HVAC Contractor
Licensed, Insured & Bonded
Rest assured knowing we are EPA certified & meet or exceed the qualifications for professional HVAC & plumbing services.
Performance Driven
Our goal is to deliver the best results possible quickly and efficiently. We also comply with ISN standards.
We are trained to handle a wide range of projects from plumbing & piping systems, HVAC, boiler and compressed air systems.
Performance-Driven, Quality Committed Commercial HVAC & Plumbing
We are an affiliate of the PHCC and its apprenticeship program, and are committed to the education and safety of our technicians.
Highly train technicians
Committed to Quality
Service & Performance 1st
Do you need a quote?
Hundreds
Projects Completed
Many
Happy Clients
Commercial HVAC & Plumbing Services in Knoxville
Commercial HVAC
We maintain and repair commercial heating and cooling systems across Knoxville.
Commercial Plumbing
We are a full-service licensed plumbing contractor specializing in commercial and industrial projects.
Commercial Piping
We install and repair piping systems in commercial and industrial applications.
Plant Maintenance
We provide plant maintenance to keep commercial and industrial equipment working efficiently.
Why McMahan Mechanical?
McMahan Mechanical, Inc. has been around for decades. We are dedicated to providing the best service and building long-term commercial and industrial relationships.
What is a Commercial HVAC system?
How do I know if I need a Commercial HVAC repair?
What is the cost of a commercial HVAC repair or replacement?
Ready for a Quote?
We are here to help you with all of your commercial HVAC,
plumbing, piping and plant maintenance needs.
What our clients are
saying about us
The answer to all of the questions are all 5. Steve has always been great to work with. Honest, fair, timely, consistent. Hate to call him sometimes but always look forward to seeing him.
Jeff Rose
LCC of Jefferson City
We are very pleased with the work done and the service. Thank you all.
Randy Morgan
Ridgeview Terrace
Our Latest Work
Our work will meet or exceed your expectations. We can handle the toughest of projects and deliver impeccable results.