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Heating & coolingAir conditioning repair and installation in Chicago Heights
Summers here are hot and humid, and a failed air conditioner makes them hard to live through. Mountain Top repairs air conditioners and installs new ones in Chicago Heights and across the South Suburbs.
Most cooling problems start small. A dirty coil, a weak capacitor, a clogged drain line or low refrigerant can each leave you with warm air and a high bill. We find out which one it is before suggesting anything else.
Why customers choose us for air conditioning work
Not every warm house needs a new system. If a part and a cleaning will fix it, that is the honest answer and it is the one you will get. If your AC is worn out, we will explain why and what replacing it involves.
What our air conditioning service includes
- 01
AC repair
We find the cause first and explain it before any work starts.
- 02
AC replacement
When repair no longer makes sense, we explain why and handle the replacement.
- 03
New AC installation
A system matched to your home and installed properly.
- 04
Tune-ups
Maintenance that helps cooling equipment run the way it should.
- 05
Cooling diagnostics
We find the cause before recommending a repair or a replacement.
- 06
Commercial cooling
Repair and installation for shops, offices and other buildings.
Things worth thinking about
Shut it off if it is freezing up
Ice on the lines means something is wrong. Running a frozen system can make the damage worse, so turn it off and call us.
Check the airflow too
Weak airflow can come from the ducts instead of the AC itself. We look at both so you are not paying to fix the wrong thing.
Book before the first heat wave
Repair and install calls pile up when it is hot. A spring checkup is easier than a July breakdown.
Four steps from first call to finished job
Every job follows the same four steps, whether it is a furnace repair or a new boiler.
- 01
Call or text
Tell us what is going on, by phone or by text.
- 02
We find the cause
A licensed technician diagnoses the problem before recommending anything.
- 03
You get the full picture
What is wrong, what it takes to fix and what your options are. The decision is yours.
- 04
We do the work
Repair or installation by a licensed, bonded and insured crew.
Air conditioning FAQ
Serving Chicago Heights and the South Suburbs. Not seeing your question? Call or text 708-407-6296.
Why is my AC running but not cooling?
The usual suspects are a dirty filter, low refrigerant, a failing part or a frozen coil. A technician can tell you which one it is. If the unit is freezing up, turn it off and call us.
What should I do if my AC is freezing up?
Turn it off and call us. Ice on the lines means something is wrong, and running a frozen system can make the damage worse.
Do you install new air conditioners?
Yes, for homes and commercial properties in Chicago Heights and the South Suburbs.
Do you offer emergency AC repair in Chicago Heights?
Yes. We offer a 1-hour emergency response, 24/7. Call or text 708-407-6296 and tell us what the system is doing.
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Ready to get started?
Tell us what is going on with your air conditioning and we will take it from there.