Tucson Living Excel Mechanical - KVOA | KVOA.com | Tucson, Arizona


Excel Mechanical, Inc. was established in Tucson, AZ in 1986 by our founder and current CEO Jim Zarling. We began with HVAC; the Plumbing division was started in 2000. We offer a diverse range of services including HVAC and Plumbing for both commercial and residential. We specialize in: New construction, tenant improvements, custom and tract homes, retrofit and replacements for hospitals, schools, businesses and homes. We offer filter service, preventative maintenance and seasonal check-up’s for both commercial and residential properties.


To be Southern Arizona’s #1 choice for Heating, Air Conditioning, Plumbing and more, through a commitment to quality, respect, ethics and our community.


To provide a long-lasting relationship with the Commercial and Residential communities through quality Sales, Service and Installation, utilizing our highly trained technicians and up to date modern technologies.


We offer a diverse range of services including Commercial and Residential HVAC and Plumbing. This includes New Construction, Tenant Improvements, Custom and Tract Homes, Retrofit and Replacements for Hospitals, Schools, Businesses and Homes. Filter Service and Preventative Maintenance / Seasonal Check-Up’s for both Commercial and Residential Properties. GreenSeal and KoolDuct.

Some of the services we provide:

Diagnosis/ Troubleshooting for HVAC and Plumbing

Preventative Maintenance for HVAC and Plumbing

Engineering and Design Services for HVAC and Plumbing

Sales, Service and Installation for HVAC and Plumbing

Custom Sheet Metal Fabrication for HVAC

CO2 & Gas Inspections for HVAC

Airflow Calibration for HVAC

Snake/Camera/Locate for Plumbing

Backflow Certification for Plumbing

Duct Sealing for HVAC

The patented Aeroseal duct-sealing technology is an effective and affordable method of sealing ductwork systems within commercial buildings. The GreenSeal duct sealing process begins and ends by conducting a thorough diagnostic test of the duct system.

See GreenSeal Website

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