Texas summers are brutal on commercial air conditioning. When your AC fails at peak cooling season, Kahn Mechanical delivers fast, professional repair across Dallas-Fort Worth, getting your building comfortable again before the disruption spreads.
Commercial air conditioning works harder in North Texas than almost anywhere in the country. Months of 100°F+ heat push rooftop units, chillers, and split systems to their limits, and when they fail your tenants, employees, and operations feel it immediately. Kahn Mechanical repairs every type of commercial cooling equipment, serving office buildings, industrial facilities, retail centers, and multi-tenant properties across Dallas, Plano, Richardson, Irving, and Frisco.
Our technicians arrive with advanced diagnostic tools, manufacturer-specific knowledge, and fully stocked trucks carrying common replacement parts. We service all major commercial AC brands, including Carrier, Trane, York, Lennox, Rheem, Goodman, and Daikin. Whether it is a failed compressor on a 20-ton rooftop unit, a refrigerant leak in a split system, or a control fault on a 200-ton chiller, we identify the problem accurately and fix it to last. We also service VRF systems that are becoming common in multi-zone buildings.
Facility managers need more than a quick patch. Every AC repair includes full diagnostics to uncover the underlying issues that cause repeat failures. We check refrigerant levels, test electrical components, inspect ductwork, verify thermostat calibration, and examine control sequences. This is part of our broader commercial HVAC service, and it is what keeps the same problem from coming back.
Air conditioning breakdowns do not follow convenient schedules, and Texas heat does not give your tenants a break while you wait. Kahn Mechanical provides 24/7 emergency AC repair with 2-hour response for maintenance contract customers across the entire Metroplex. When you call, you reach our dispatch team directly, not a voicemail system or automated menu, and we coordinate immediate technician deployment.
Summer AC failures create real emergencies. Office workers lose productivity, retail customers walk out, data centers risk equipment damage, restaurant walk-ins cannot hold safe temperatures, and medical facilities face patient safety concerns. We prioritize these situations and send technicians with the specific expertise your equipment requires, from precision cooling to industrial process cooling to standard comfort air conditioning.
Emergency service does not mean rushed work or temporary patches. We run complete diagnostics even under pressure, provide transparent pricing before starting, and explain exactly what failed and why. For failures that hit outside business hours, our emergency HVAC repair team is on call around the clock.
Certain failures show up again and again in the DFW climate. These are the ones we resolve most.
A quick guide to what your cooling system is telling you, and how we respond.
| Symptom | Likely Cause | How We Respond |
|---|---|---|
| Warm air from the vents | Low refrigerant or a failed compressor | Leak detection and recharge, or compressor repair |
| Runs but will not cool | Dirty coils or restricted airflow | Coil cleaning and airflow restoration |
| System short-cycles | Failed capacitor or contactor | Electrical component testing and replacement |
| Rising energy bills | Refrigerant leak or a fouled system | Leak repair, cleaning, and a performance tune-up |
| No power to the unit | Control board or thermostat fault | Controls diagnosis and board or thermostat repair |
A diagnostic-first method that fixes the cause, not just the symptom.
The most effective AC repair is the breakdown you never have. Properties that invest in regular air conditioning maintenance see far fewer emergency failures and lower total cooling costs than those that only call when a system quits. Our maintenance contracts use inspection schedules tailored to your equipment age, operating hours, and facility needs.
We catch developing problems early. Worn contactors, failing capacitors, dirty coils, low refrigerant, and electrical issues get addressed before they shut a system down on the hottest day of the year. Regular service also keeps equipment efficient, which reduces energy costs by 15 to 25 percent compared to neglected systems, and extends equipment life so you delay expensive capital replacements.
Contract customers get predictable monthly costs, priority emergency scheduling, discounted labor, and detailed service reports that help you justify budgets to ownership. Learn more about our preventive maintenance programs.
Scofield Memorial Church has realized a fifty thousand dollar savings in energy in the last twelve months from the upgrade in HVAC units completed just last summer, a one-third reduction in our total electrical bill.
Director of OperationsScofield Memorial ChurchSee the buildings we keep comfortable on our projects page, and read more feedback on our testimonials page.
We have repaired commercial air conditioning across North Texas since 1974, covering Dallas, Collin, Denton, and Tarrant Counties. Find detailed local coverage on our service areas pages.
Tell us what your cooling system is doing, and we will get right back to you.
Fast commercial AC repair across Dallas-Fort Worth from a team that has beaten Texas heat since 1974.