Commercial HVAC

Commercial HVAC Service for Retail & Commercial Facilities

Onaco Inc. provides commercial HVAC diagnostics, repair, maintenance, and equipment replacement throughout the Greater Chicago area. We service rooftop and split HVAC equipment for retail stores, commercial buildings, and multi-site facilities.

Specialized Commercial Services

Commercial HVAC Services

Diagnostics & Troubleshooting

Identification of cooling, heating, airflow, electrical, control, and equipment performance issues.

HVAC Repairs

Repair and replacement of failed components based on equipment condition and diagnostic findings.

Specialized Commercial Services

Rooftop Unit Service

Commercial rooftop HVAC diagnostics, repairs, maintenance, and equipment replacement.

Specialized Commercial Services

Preventive Maintenance

Inspection, cleaning, operational testing, and identification of developing equipment issues.

Specialized Commercial Services

Component Replacement

Motors, contactors, capacitors, controls, compressors, fans, sensors, and other HVAC components when applicable.

Specialized Commercial Services

Equipment Replacement

Replacement of aging or failed commercial HVAC equipment when repair is no longer practical.

Practical HVAC Repair Recommendations.

When additional repairs or replacement are required, Onaco provides documented findings and practical recommendations based on equipment condition, repair requirements, availability, and facility needs.

Having an HVAC Problem at Your Facility?

Contact Onaco Inc. for commercial HVAC diagnostics, repairs, maintenance, or equipment replacement.