Notice: Due to COVID-19, we'll be taking extra precautions to keep you & our technicians healthy and safe during these challenging times. Please don't hesitate to call us if you have any questions. - LEARN MORE
Established in 1980, we are proud to be the largest family owned and operated commercial HVAC company in Knoxville, TN.
Knoxville Commercial HVAC & Plumbing
At Del-Air Mechanical, we understand that no two businesses are the same. Each company differs in size, personnel, building structure, and more. However, one thing that remains the same is the connection between a comfortable work environment and higher production rates. Our skilled technicians take the time to understand our clients’ needs before creating customized heating, cooling, and plumbing solutions. We have helped companies across a variety of markets including educational, retail, office buildings, biotechnology, industrial, and manufacturing.
When it comes to your company, don’t take chances. Call Del-Air Mechanical for unparalleled HVAC and plumbing services in Knoxville, Powell, and surrounding areas.
Unmatched QualityCommitment & Professionalism
We look at the entire problem and provide realistic solutions for each and every job. By sending the same technicians out when possible we build strong relationships with existing customers.
Award Winning Service
We are honored to have received recognition from great organizations including the ACCA and INC 5000. We will continue to innovate in the HVAC community and strive for perfection.
We are highly recognized for our Safety & Health Program. Our goal is to always provide a safe working environment for our team.
Longevity & Community Driven
Family owned and operated in Knoxville since 1980. A staple in the community for professional work and stellar customer service.
Building RelationshipsRead reviews from our happy customers!
Cannot say enough about everyone at Del-Air!- Katie DePersio, Executive Director, Tennova Health & Fitness
Del-Air has been an outstanding partner for us- James Lusby, Home Federal Bank
I have and will continue to recommend Del-Air to others.- Ryan Chinn, R&R Properties
Trustworthy- Elif T
Satisfied Customer- Ryan D
Meet Your Team“Your Comfort is Our Career”
Director of Operations
Human Resources & Accounting