Emergency AC Repairs: What to Do When the Cool Air Stops

It’s 90° outside. You walk in expecting a blast of cool air, and instead, you're hit with a wall of heat.

When your AC suddenly stops working in the middle of a heatwave, it can feel like a full-blown emergency. Whether you're dealing with a complete breakdown or your system is blowing warm air, knowing what to do next can save you from discomfort and costly damage.

At Duct Professor Heating & Cooling, we’re here to help you stay cool under pressure. Here’s what you need to know when your AC goes out and how to get fast, reliable emergency repairs in Prospect Heights and nearby areas.

It’s 90° outside. You walk in expecting a blast of cool air, and instead, you're hit with a wall of heat.

Step 1: Don’t Panic—Check the Basics First

Before calling for emergency HVAC repair, do a quick check to rule out simple issues:

  • Thermostat Settings: Make sure it's set to “cool” and the temperature is lower than the current room temperature.
  • Circuit Breaker: A tripped breaker could be the reason your system stopped running.
  • Air Filter: A clogged filter can restrict airflow, causing your AC to freeze up or shut down.
  • Outside Unit: Check for debris or visible signs of damage.

If everything looks normal but your AC still isn’t cooling, it’s time to bring in the pros.

Step 2: Know the Signs of an AC Emergency

Not every issue needs immediate service, but some signs mean you shouldn’t wait:

  • AC blowing hot air
  • Water leaking from your unit
  • Unusual noises—grinding, banging, hissing
  • Complete system shutdown
  • Room temperature is rising quickly despite running the AC

If any of these sound familiar, don’t delay. A small problem can turn into a major (and expensive) issue if ignored.

Step 3: Call for Emergency AC Repair in Prospect Heights

Time is critical when the cool air stops. That’s why Duct Professor offers fast-response emergency AC repair to restore your comfort, often on the same day.

Our licensed technicians arrive prepared to:

  • Diagnose the problem on the spot
  • Offer upfront pricing
  • Perform immediate repairs when possible
  • Recommend cost-effective solutions if replacement is needed

We’re just a call away, 7 days a week.

Pro Tip: Prevent the Next Emergency

Most AC emergencies can be avoided with regular maintenance. Schedule a professional AC tune-up at least once a year to catch problems early and keep your system running smoothly.

Right now, Duct Professor is offering a limited-time AC Tune-Up for just $89—a smart investment that can help you avoid that 90° surprise.


Book Your AC Tune-Up Now

Why Choose Duct Professor?

  • Fast emergency response
  • Expert, certified technicians
  • Upfront pricing—no surprises
  • 5-star rated service across Prospect Heights and surrounding areas