Commercial Services
Commercial HVAC
Diagnostic (Paid) — Miami-
Dade & Broward
Excellent Rating
Start with a paid diagnostic so we can pinpoint the root cause and recommend the right next steps for your system.
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Commercial-only service (Miami-Dade & Broward)
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Paid diagnostic required — clear findings & next-step options
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Rooftop units (RTUs), split systems, airflow, no-cooling & electrical issues
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Schedule-friendly service for busy facilities
Commercial only
Paid diagnostic required
Miami-Dade & Broward
What you get with a commercial HVAC diagnostic
A diagnostic is the fastest way to stop guessing and start fixing the real problem.
When you schedule a commercial HVAC diagnostic with MAC Air Service, a technician will inspect your system, test key components, and identify the most likely root cause. You’ll get a clear explanation of what we found and what it will take to move forward.
Schedule HVAC DiagnosticCommon issues we diagnose
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System not cooling / weak cooling
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Short cycling, inconsistent temperatures, or hot spots
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Airflow problems (blocked returns, fan issues, duct restrictions)
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Thermostat/control issues
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Electrical / capacitor / contactor problems
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Drain line clogs / water leaks
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Refrigerant-related performance issues (diagnosis first)
How scheduling works
Call to schedule a diagnostic visit. We confirm your location (Miami-Dade or Broward), your facility type, and the equipment you need help with.
Every visit starts with a paid diagnostic. After we diagnose the issue, we’ll outline your next-step options.
Service area
We serve commercial facilities in Miami-Dade County and Broward County. (Palm Beach is not included at this time.)
Schedule HVAC Diagnostic
Start With a Commercial HVAC Diagnostic
Commercial only
Paid diagnostic required
Miami-Dade & Broward
FAQ
We don’t start with estimates for troubleshooting. We begin with a paid diagnostic to identify the root cause and recommend the right next steps.
No. The diagnostic is a separate service that covers the time and expertise needed to properly troubleshoot the issue.
We diagnose and service common commercial HVAC equipment including rooftop units (RTUs) and split systems. If you’re unsure, call and tell us your equipment type.
Scheduling depends on demand and your location. Call to request the earliest available diagnostic appointment.
Contact Us
Request a Quote
Send us a message and we will respond in the order that it has been received
Services
Commercial Services
Explore Our Service Areas
At M.A.C Air Service, we're proud to serve the diverse and vibrant communities of South Florida. Our dedicated team is committed to providing exceptional HVAC/R services throughout the region, ensuring that both residential and commercial clients enjoy optimal comfort and efficiency.