No Cold Air

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24/7 Emergency Air Conditioning Service

Same-Day Service Available

Being without air conditioning during the hot summer months can be miserable. Time is of the essence when you and your family are suffering in the heat, which is why you need access to a company that can get to your home quickly!

Service Technicians You Can Count On

Imagine it is one of those hot and humid summer days in Chicago. You can’t wait to get back inside your home where the air is refreshingly cool and delightful… until you go into your home and realize it isn’t! When your air conditioner or cooling system breaks down, especially during the hottest days of the year, you will want to be able to call an AC repair company known for fast and reliable service. Fortunately, Paragon Mechanical has a team of cooling experts who can respond quickly, have the experience to diagnose the problem correctly, and who can repair the system properly the first time.

The Right AC Repair Company

Hiring the right AC repair company the first time will save you money and time. If you continually are dealing with sub-par technicians, or companies that are never on time for their appointment, it is not only frustrating, but can end up costing you money. With Paragon Mechanical, you can trust that your cooling system will be running smoothly after our technician’s first visit. Anyone who lives in the Chicago area knows how temperamental the seasons can be, so it is important to always have a functioning cooling system or air conditioner! Whether your system has broken down completely, or if you just want to be proactive in your AC repair, Paragon Mechanical is here for you and your home.

Paragon Mechanical has been voted the top-rated AC repair company in customer satisfaction in the Chicagoland area and our goal is to maintain that designation each and every day. Our highly trained technicians can perform AC repair on a variety of different cooling products such as Trane, Bryant, Carrier, Lennox, York, American Standard, Armstrong Air, Goodman, SpacePak, and other lesser-known manufacturers.

Contact Our Experts Today

Here at Paragon Mechanical, we want to ensure that your cooling and AC repair is done right in a timely fashion the first time. We pride ourselves in offering reasonable appointment windows, cutting-edge technology, and brand-specific cooling specialists. In addition, our emergency service line is open 24/7, and have technicians ready to make your home cool and cozy again. Call 847-321-9428 to schedule your service today!

High efficiency modern AC-heater unit, energy save solution in f
A residential central air conditioning and heating unit sitting outside a home.
Residential building air conditioning units

Common Problems

Newly Installed Equipment Malfunction

There are many service calls in which we receive for recently installed cooling equipment that is not working as expected. Most of these service calls are a result of poor installation of the newly installed cooling equipment.

If this problem is corrected early enough the life of the equipment could possibly not be negatively affected. Paragon Mechanical prides ourselves on expert installation of cooling equipment for each and every installation. See our cooling installation services for more detail.

Air Doesn’t Seem as COLD

Outdoor condensing units will when dirty run inefficiently and poorly. The outdoor units as they are providing cool air inside your home they are rejecting the heat from inside the home to the outside air via the outdoor condensing unit. When the condensing unit is clogged from dirt and debris it will not be able to reject the heat and therefore the cool air your home HVAC system is supposed to produce may feel warmer then usual because it can not reject the heat from inside the home .

The simply thing to do is clean the outdoor condensing unit. Paragon trained professionals can provide this service for you or we can show you how to do this yourself.

Blank Thermostat

When installed, some standard thermostats require a battery to keep them working. If you see a blank screen on your thermostat, the first thing you should try is to simply replace the batteries. Thermostat battery failure is oftenly mistaken for a major furnace problem.

Visit our Smart Thermostat page to learn more about cutting-edge thermostats that are internet-connected, provide remote access, and no longer require batteries to operate.

Warm Air in Cooling Mode

A conventional split cooling system has an outdoor condensing unit and an indoor furnace. If you notice warm air blowing from your vents, and the outdoor condensing unit is not running, please check the corresponding breaker to ensure the breaker has not been tripped. Before resetting the breaker, you should try to determine why it was tripped, correct the issue, and turn the breaker back on.

If the problem persists or you are not comfortable rectifying the problem yourself, please contact a trained, Paragon Mechanical, representative or technician to assess and correct the problem.

Ice Present on Unit

Ice formation can be caused by many factors, but one of the most common causes is a lack of air flow inside of the indoor unit. Poor air flow is commonly caused by a dirty filter. Before calling a professional, you should check your filter, replace it if it is dirty, and let the system completely thaw before attempting a restart.

If our quick solution does not work for you, please contact Paragon Mechanical to arrange a service call. The Paragon Mechanical Service Agreements are also a fantastic way to stay ahead of filter-related problems.

Customer Experiences

“Scott is great I was told by another company the compressor was bad and within 30 minutes of Scott being here my air conditioner was cooling. Scott was great!”

Jay J.
Arlington Heights, IL

“Scott was very good and explained everything to me in a way I could understand.”

Joe J.
Stokie, IL

“I thought I was going to have to spend over $4,000 replacing my air conditioner but when I called Paragon they said they could come out and fix it I was very skeptical. Shame on me Doug came and was able to fix my air conditioning unit right away.”

Marta Z.
Arlington Heights, IL

“Scott did a great job I would call Paragon again in a heart beat.”

Rob B.
Elmhurst, IL

“I never had to call a HVAC contractor before so I was naturally nervous but thankfully I found Paragon and they were honestly such a pleasure to deal with. Chris was smart and very friendly.”

Lee M.
Chicago, IL

“Kevin came out to my home and I explained the problems we have had for years. I went with all his recommendations and now my second floor cooling system works better then ever.

Mike M.
Deerfield, IL

“Chris fixed my AC and adjusted my furnace all in the same visit. He knows his air conditioners”

Joe F.
North Barington, IL

“These guys arrive faster than Jimmy Johns!”

Mickey H.
Northbrook, IL

“I have never been so happy with a contracting company; they were on-time, very clean and neat and delivered everything that was promised.”

John D.
Itasca, IL

Expertise & Availability


Air Conditioning Problems Fixed


Air Conditioner Training Hours


Repeat Customers


Air Conditioner Parts on Truck


Air Conditioner Parts in Stock


Air Conditioner Part Availability

Dispatch Locations

  • Arlington Heights, IL
  • Elmhurst, IL
  • Hinsdale, IL
  • Naperville, IL
  • Oak Park, IL
  • Lincoln Park, Chicago
  • Northbrook, IL
  • Glenview, IL
  • Winnetka, IL
  • Highland Park, IL
  • Lakeforest, IL
  • Barrington, IL

Manufacturers Serviced

Armstrong Air
American Standard