Commercial HVAC Service
Diagnostics and repair for rooftop units, packaged systems, split systems, motors, blowers, compressors, contactors, belts and related components.
Veteran-Owned • Commercial HVAC • Southern Illinois
Commercial HVAC service with direct owner involvement.
Air Tech Commercial provides commercial heating and cooling service, repair, preventative maintenance, boilers, controls, rooftop equipment and replacement work throughout Southern Illinois and the surrounding region.
20 Years ExperienceOwner-Operated100-Mile Service Area
Core Capabilities
Built around commercial service work.
Boilers & Heating
Boiler service and repair plus commercial heating-system troubleshooting.
Controls
HVAC controls troubleshooting and practical field diagnosis.
Preventative Maintenance
Recurring maintenance, filter changes, inspections and service planning.
Replacement Projects
Commercial equipment replacement and upgrade work with owner-level oversight.
Facility Support
Responsive support for government, educational, municipal and commercial facilities.
Government & Institutional
Prepared for public-sector work.
Air Tech Commercial is pursuing federal, state, local-government, education and institutional HVAC opportunities. We are veteran-owned and are completing government contracting registrations and certifications.
Primary NAICS238220Plumbing, Heating, and Air-Conditioning Contractors
Primary PSCJ041HVAC / refrigeration equipment maintenance & repair
Additional PSCJ045Plumbing / heating equipment maintenance & repair
StatusVeteran-OwnedSAM / CAGE / VetCert details will be added as finalized.
For Facilities & Procurement Teams
Need a local commercial HVAC contractor for service, preventative maintenance, backup coverage, boilers, controls or equipment replacement?
Start a Vendor ConversationAbout Air Tech
Experienced, local and owner-operated.
Air Tech Commercial is a Southern Illinois commercial HVAC contractor operated by Daniel Stock through Discover Brands LLC. Daniel brings approximately 20 years of HVAC experience and focuses on direct communication, practical troubleshooting and dependable commercial service.
Air Tech is intentionally lean and owner-led, with additional family field support as needed.
20Years experience
100 miApprox. radius
1:1Owner involvement
VeteranOwned business
Contact
Talk directly with Air Tech Commercial.
For commercial service, vendor setup, maintenance discussions or government/institutional opportunities, call or email Daniel directly.