AIR CONDITIONING REPAIR

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Licensed Commercial Mechanical Contractor · Serving Southeast Michigan Since 1984

Commercial AC Repair in Southeast Michigan

When commercial cooling fails, downtime starts immediately. Friedman Mechanical dispatches certified technicians fast, diagnoses accurately, and repairs commercial AC systems right the first time 24/7, 365 days a year.

Commercial AC Failure is a Business Problem, Not Just a Comfort Problem

A failed rooftop unit over an office building means tenant complaints and lease friction. A down split system in a medical suite means rescheduled procedures. A malfunctioning cooling system in a server room or data center means something far worse.

Commercial AC repair requires speed, technical depth, and a team that understands what's actually at stake for the business. Friedman Mechanical has been handling commercial cooling failures across Southeast Michigan for over 35 years. Our certified technicians work on the full range of commercial cooling equipment from packaged rooftop units and split systems to chillers, air handlers, and VRF systems and our 24/7 service center ensures you're never left waiting for a callback.

24/7 Emergency AC Repair: 248-626-2000

What we do

Commercial AC & Cooling Repair

Rooftop unit repair
Repair & service

Rooftop Unit (RTU) Repair

Packaged rooftop units are the most common commercial cooling system in Southeast Michigan, and when they fail, the impact is immediate across the whole floor or building. We diagnose and repair RTU failures of all types — compressor issues, refrigerant leaks, failed economizers, motor and fan problems, controls faults, and heat exchanger issues — across all major manufacturers. Emergency same-day response available.

Split system repair
Repair & service

Split System Repair

Commercial split system diagnosis and repair for offices, medical suites, retail spaces, and server rooms. Refrigerant charge issues, condenser coil problems, failed contactors and capacitors, and controls malfunctions all diagnosed and resolved completely.

Refrigerant leak detection and repair
Leak detection

Refrigerant Leak Detection & Repair

Refrigerant loss is one of the most common causes of declining cooling performance in commercial systems. Our technicians perform thorough leak detection using electronic and UV detection methods, repair the leak at the source, and recharge the system to manufacturer specifications. We document all refrigerant handling in compliance with EPA Section 608 requirements.

Compressor repair and replacement
Repair & replacement

Compressor Repair & Replacement

Compressor failures are among the most significant repairs a commercial cooling system can require. We evaluate repair vs. replacement economics honestly, execute compressor changeouts on all major system types, and verify full system performance before leaving the site.

Condenser and evaporator coil service
Service & repair

Condenser & Evaporator Coil Service

Fouled or damaged coils are a leading cause of reduced efficiency and eventual system failure in commercial cooling equipment. Coil cleaning, fin repair, and coil replacement handled across all commercial system types and access configurations.

Controls, sensors and thermostat repair
Controls & automation

Controls, Sensors & Thermostat Repair

A significant percentage of commercial cooling "failures" are actually controls problems — miscalibrated sensors, failed thermostats, communication faults between the unit and the BAS, or programming errors. Our technicians diagnose the full controls chain before assuming mechanical failure, saving unnecessary parts and labor costs.

Zoning system repair
Repair & service

Zoning System Repair

Uneven cooling across zones is a common complaint in commercial buildings and is often traced to failed damper actuators, zone controllers, or sensor drift rather than the cooling unit itself. We diagnose and repair zoning systems across all major platforms.

Air handler repair
Repair & service

Air Handler Repair

Fan and motor service, coil cleaning, belt and bearing replacement, VFD troubleshooting, and economizer controls repair for commercial air handling units.

Emergency AC repair
24/7 response

Emergency AC Repair

Available 24 hours a day, 7 days a week, 365 days a year. When a cooling failure can't wait until morning, our service center dispatches a technician immediately. We prioritize commercial facilities where downtime has direct operational and financial consequences.

Chiller repair
Repair & service

Chiller Repair

Commercial and industrial chiller diagnosis and repair including refrigerant circuit issues, heat exchanger fouling, condenser water system problems, and controls faults. Coordination with cooling tower service where required.

Service Area

Farmington Hills Detroit Ann Arbor Troy Southfield Pontiac Dearborn Livonia Royal Oak Auburn Hills Sterling Heights

And surrounding Southeast Michigan communities.

Friedman Mechanical provides commercial cooling services throughout Southeast Michigan, including:

AC and Chiller Brands We Service

Friedman Mechanical technicians are experienced across all major commercial heating equipment manufacturers, including:

Don't see your brand listed? Call us. If it runs, we can service it.

Commercial AC Repair

Need Your System Back Online? We Dispatch Fast.

Certified commercial HVAC technicians serving Southeast Michigan 24/7, 365 days a year. RTUs, chillers, split systems, air handlers — every failure mode, every major manufacturer.

24/7 Emergency Response

Service center staffed around the clock, every day of the year — we prioritize facilities where cooling downtime has direct operational consequences

Root-Cause Diagnosis

Refrigerant leaks, compressor failures, coil fouling, controls faults, zoning problems — we diagnose the full system before replacing parts

Honest Repair vs. Replace

We evaluate age, repair cost, efficiency, and remaining useful life — and present the analysis clearly so you can make the call

  •  Our service center operates 24/7/365 and dispatches certified technicians across Southeast Michigan around the clock. For commercial cooling failures, we prioritize fast response — especially in facilities where downtime has direct operational consequences.


  • Yes. Our technicians are trained and experienced across all major commercial cooling equipment manufacturers and system types, including RTUs, split systems, chillers, air handlers, and VRF systems.


  • It helps to know the equipment manufacturer and model number, the approximate age of the system, and a clear description of what the system is doing (or not doing). That said, don't delay calling while trying to gather information — our technicians can assess on arrival.

  • We evaluate the system's age, repair cost as a percentage of replacement cost, current efficiency rating relative to available replacements, and the remaining useful life of major components. We present the analysis clearly and let you decide — no pressure either way.


  • Yes. We perform repairs regardless of prior service relationships. If you're unsatisfied with your current provider's response time or quality, we're available.


  • A standard maintenance visit covers refrigerant charge verification, coil inspection and cleaning, electrical connection tightening, motor and belt inspection, controls calibration, filter service, condensate drain check, and a written technician report with findings and recommendations.