Commercial facility services

One Partner for Commercial Facility Needs

Onaco Inc. provides commercial HVAC, refrigeration, plumbing, electrical, general contracting, and facility maintenance services throughout the Greater Chicago area. We support retailers, property managers, commercial facilities, and multi-site operators with responsive service, practical solutions, and clear communication from initial service request through completion.

Commercial HVAC

Diagnostics, repairs, preventive maintenance, component replacement, and equipment replacement for commercial rooftop and split HVAC systems.

Commercial Refrigeration

Diagnostics, repairs, maintenance, and sealed-system service for commercial coolers, freezers, refrigerated cases, and related equipment.

Commercial Plumbing

Commercial leak response, drain services, fixture and valve repairs, piping repairs, and general commercial plumbing support.

Commercial Electrical

Electrical troubleshooting, dedicated circuits, breakers, receptacles, lighting, equipment power connections, disconnects, and general commercial electrical repairs and installations.

Facility Maintenance & General Contracting

Commercial repairs, facility maintenance, tenant improvements, equipment projects, and multi-trade coordination.

Commercial Support From Service Call to Completion

Our approach is straightforward: identify the problem, document the findings, communicate repair options clearly, and coordinate approved work based on the facility's needs and operational priorities.

Responsive Coordination

Clear Documentation

Multi-Trade Support

Service communication and scheduling from initial request through completion.

Service findings, photos, repair recommendations, and estimates when additional work is required.

HVAC, refrigeration, plumbing, electrical, facility maintenance, and general contracting coordinated through one service provider.

Need Commercial Facility Service?

Contact Onaco Inc. for repairs, maintenance, equipment service, project work, or multi-site facility support throughout Greater Chicago.

Our Promise

Uptime is Our Only Metric.

We guarantee rapid response times and self-performed labor quality, ensuring your commercial operations run continuously without unexpected interruptions.

Our Method

Structured Onboarding & Service

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Facility Audit

SLA Customization

Preventive Setup

24/7 Dispatch

Comprehensive assessment of your existing mechanical systems and facility infrastructure to identify critical needs and compliance gaps.

Development of tailored Service Level Agreements, defining response times, maintenance schedules, and performance metrics for your portfolio.

Implementation of proactive maintenance programs and equipment monitoring to minimize downtime and extend asset lifespans.

Seamless integration with our rapid response teams, ensuring immediate dispatch and expert resolution for any emergency.