Family-Owned Since 1974 Licensed & Insured · TACL A16607C Woman-Owned Business
24/7/365 Emergency Service

Emergency HVAC Repair

HVAC emergencies do not wait for business hours. When your heating or cooling fails and your building turns uncomfortable or unsafe, Kahn Mechanical responds immediately, with guaranteed 2-hour response for maintenance contract customers across Dallas-Fort Worth.

Emergency HVAC Repair

True 24/7 Emergency Response, Not Voicemail

When your HVAC system fails at 2 AM on a Sunday or during a holiday weekend, you need a contractor who actually answers the phone and dispatches help right away. Kahn Mechanical provides genuine 24/7/365 emergency service across Dallas, Plano, Richardson, Frisco, Irving, and the entire Metroplex. You speak directly with our emergency dispatch team, not a recording or an answering service, and we coordinate immediate technician deployment.

Our emergency fleet runs around the clock, with certified technicians positioned across the region to keep response times short. We guarantee 2-hour arrival for maintenance contract customers and provide same-day emergency service for all commercial properties. Every truck carries diagnostic equipment, common replacement parts, and the tools to complete most emergency repairs on-site, with no waiting on parts orders or return trips.

HVAC emergencies carry real business consequences. Tenants complain and threaten to leave, workers lose productivity in extreme temperatures, data centers risk equipment damage, restaurants face food safety issues, and medical facilities cannot compromise on patient safety. Our team prioritizes these situations and brings the expertise your specific equipment requires, whether that is a rooftop unit, chiller, boiler, or building automation system. This is the fastest lane of our full commercial HVAC repair service.

24/7/365Emergency Availability
2-HrGuaranteed Response
Same-DayEvery Commercial Call
50+Years Serving DFW
What We Handle

Common HVAC Emergencies We Handle 24/7

HVAC systems fail in predictable patterns. These are the emergencies our technicians respond to most.

Complete Cooling Failures
When it is over 100°F and the AC quits, indoor temperatures climb dangerously fast. We diagnose compressor failures, refrigerant loss, electrical faults, and control problems that cause total cooling loss.
Heating Failures in a Freeze
Boiler failures, furnace shutdowns, and heat pump faults leave buildings freezing during winter cold snaps, risking frozen pipes and safety. We restore heat by troubleshooting gas valves, ignition, heat exchangers, and hydronic components.
Refrigerant Leaks
Leaks cut cooling capacity, waste costly refrigerant, and can create safety hazards in occupied spaces. We locate them with electronic detection and UV dye, seal them properly, and recharge to spec.
Electrical and Control Failures
Failed contactors, capacitors, control boards, and building automation faults shut systems down. Our trucks carry these parts and the diagnostic tools to restore operation without waiting on delivery.
Why Speed Matters

When Every Minute Counts: What Is at Stake

An HVAC failure is rarely just a comfort issue. Here is what downtime puts at risk by facility type.

Facility TypeWhat FailsWhat Is at Risk
Office TowersCooling or heating lossLost productivity, tenant complaints, lease risk
Data CentersCooling failureOverheating and expensive equipment damage
RestaurantsRefrigeration failureFood spoilage and safety violations
HealthcareHeating or cooling lossPatient comfort and safety concerns
Retail CentersComfort cooling lossCustomers leave and sales drop
IndustrialProcess cooling lossProduction stoppage and costly downtime
Our Response

How Our Emergency Response Works

Four steps from your call to a system that runs again, done right the first time.

1
Live Answer
You reach our emergency dispatch team directly, day or night. No voicemail, no answering service, no delay.
2
Immediate Dispatch
We send the nearest qualified technician, with 2-hour guaranteed arrival for contract customers across the Metroplex.
3
On-Site Diagnostics
Even under pressure, we test electrical, refrigerant, mechanical, and control systems to find the true cause.
4
Repair the First Time
We fix to manufacturer spec with quality parts and give you upfront pricing before we begin. No temporary patches.
Prevention

Preventing Emergencies Through Proactive Maintenance

The best emergency is the one that never happens. Commercial properties with comprehensive preventive maintenance experience 60 to 70 percent fewer emergency HVAC failures than facilities that only call when equipment breaks. Our maintenance contracts use inspection schedules based on your equipment age, operating hours, and facility requirements.

Regular maintenance catches developing problems before they become middle-of-the-night failures. Worn belts, failing capacitors, dirty coils, refrigerant leaks, and control faults get corrected during scheduled visits. Contracts also include priority emergency response, so if something does fail unexpectedly, you move to the front of the line ahead of non-contract calls.

You get predictable monthly costs instead of volatile emergency bills, plus detailed service reports that document equipment condition and support capital planning. Learn more about our preventive maintenance programs.

Why Kahn

Why Facility Managers Call Kahn in a Crisis

Live answer, no voicemailReach our emergency dispatch directly, any hour of any day.
2-hour guaranteed responseFor maintenance contract customers across the Metroplex.
24/7/365 fleetTechnicians positioned across DFW to cut arrival time.
Trucks stocked for on-site fixesContactors, capacitors, control boards, and tools on board.
Root-cause diagnosticsWe find why it failed so the same emergency does not repeat.
Upfront emergency pricingYou approve scope and cost before we begin. No surprise invoices.
Repairs to spec, not patchesQuality parts and lasting fixes, not shortcuts that fail again.
Honest communicationIf a temporary fix is needed, we say so and schedule the permanent repair.
Proof

Trusted When It Matters Most

Our project progressed with the highest degree of workmanship and professionalism. I have never been associated with a company that has such high standards and pure ethical scope.

Facilities ManagerJenterra LLC

See the buildings that count on us in a crisis on our projects page, and read more feedback on our testimonials page.

Coverage

Emergency HVAC Service Throughout Dallas-Fort Worth

We have answered emergency calls across North Texas since 1974, covering Dallas, Collin, Denton, and Tarrant Counties around the clock. Find detailed local coverage on our service areas pages.

Dallas County

  • Dallas
  • Irving
  • Richardson
  • Garland
  • Mesquite
  • Carrollton
  • Farmers Branch

Tarrant County

  • Fort Worth
  • Arlington
  • Grapevine
  • Southlake

Collin County

  • Plano
  • Frisco
  • McKinney
  • Allen

Denton County

  • Denton
  • Lewisville
  • Flower Mound
  • Little Elm
Request Service

Get Immediate Emergency Response

Request Emergency HVAC Repair

For active emergencies, call 214-831-5551 for the fastest response. Or send the details below and we will get right back to you.

Active emergency right now? Call 214-831-5551
Common Questions

Emergency HVAC Repair FAQ

What counts as a commercial HVAC emergency?
Any HVAC failure that makes your building unsafe, uninhabitable, or unable to operate counts as an emergency. That includes complete loss of cooling during summer heat, loss of heat during a winter freeze, refrigerant leaks in occupied spaces, refrigeration failures that threaten food safety, and cooling failures in data centers or medical facilities where temperature is critical. If a failure is disrupting your business or putting people or equipment at risk, call us and we will respond right away.
How fast will a technician arrive for an emergency?
We guarantee 2-hour arrival for maintenance contract customers and provide same-day emergency service for all commercial properties across Dallas-Fort Worth. Our fleet runs around the clock with technicians positioned across the region, and each truck carries diagnostic equipment and common parts, so most emergency repairs happen on the first visit with no waiting on parts orders.
Do you charge extra for after-hours emergency service?
Emergency and after-hours service is priced differently from standard scheduled work, and we always provide transparent, upfront pricing before any repair begins. You will know the scope and cost before we start, with no surprise invoices afterward. Maintenance contract customers receive priority response and discounted labor rates, which is one reason a contract pays off for facilities that cannot afford downtime.
Can you handle emergencies on any brand of HVAC equipment?
Yes. Our technicians service rooftop units, chillers, boilers, split systems, VRF equipment, and building automation controls from every major manufacturer, including Carrier, Trane, York, Lennox, Rheem, Goodman, and Daikin. We hold factory certifications and carry the parts and diagnostic tools to resolve most emergencies on-site.
What types of buildings do you provide emergency service for?
We handle emergencies for office towers, data centers, healthcare facilities, worship centers, retail centers, restaurants, industrial and warehouse properties, and multi-tenant buildings throughout Dallas, Collin, Denton, and Tarrant Counties. We match the technician to your equipment, from precision cooling to industrial process cooling to standard comfort systems.
How can I reduce emergency HVAC breakdowns?
A preventive maintenance contract is the most effective way. Properties on comprehensive maintenance experience 60 to 70 percent fewer emergency failures, because worn belts, failing capacitors, refrigerant leaks, and control faults get caught during scheduled visits instead of failing overnight. Contract customers also receive priority emergency response. Learn more on our preventive maintenance page.

HVAC Emergency Right Now? We Answer Around the Clock

Guaranteed 2-hour response for contract customers, same-day service for every commercial property in Dallas-Fort Worth.