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Call a Heating and AC Company That Cares

Your Trusted HVAC Company in the Chicago Area

For 35 years, TDH Mechanical has been committed to satisfying customers in the Chicago area. This dedication to making you smile is reflected in the reviews below and our high ratings on multiple review sites. When you couple these testimonials with our heating and air conditioning expertise, why would you go anywhere else? Whether you need a new ac installed IN Chicago{ or just want to fix your old heat pump, our HVAC technicians are ready and willing to get the job done.

To schedule ac repair or replacement, give us a call at (773) 342-4338. We look forward to adding you to our family of happy customers in Oak Park and Chicago
We Set Ourselves Apart From Other Chicago HVAC Companies


  • We have over 35 years of experience serving the Chicago area.
  • We serve over 25 towns in Chicago and surrounding areas.
  • Our staff NATE and EPA certified and comply with all industry codes.
  • We do not subcontract our work. Your HVAC technician is a full-time employee handpicked by Tim himself.
  • We have a team of loyal professionals, some of who have been with us for many years. This allows us to cultivate long-term relationships.
  • We always provide top-notch, personalized service from start to finish. No matter the job's size or scope.
There is no problem too big or small for our HVAC experts to tackle. We treat each and every service call with the same level of urgency, whether it’s a an air duct cleaning or a new furnace installation. All of our Chicago HVAC technicians put you first, giving you the benefit of high-quality workmanship and superior attention to detail. Our goal is the same as yours: to help you experience a truly comfortable home environment without unexpected interruptions from your heating and cooling system.

To schedule ac service and experience the TDH Mechanical difference, give us a call at (773) 342-4338.
Allow our techs to repair your Water Heater in Lincolnwood IL.
HVAC Professionals in Chicago offering


Check out our Water Heater repair service in Chicago IL along with the other over 5,000 people per year have.
Served Per Year
See what your neighbors think about our AC service in Oak Park IL with our multiple 5-star reviews.
5 Star Reviews
Call TDH Mechanical, Inc. for great Air Conditioning repair service in Lincolnwood IL as we have been for over 34 years.
Years in Business
Trust our 18 techs to service your Heat Pump in Chicago IL
Expert Techs
See what your neighbors are saying about our AC repair service in Chicago IL

Our Service Area

Visit a city page below to see what your friends and neighbors thought about our HVAC services.
Sign up for our Air Conditioner maintenace plan in Oak Park IL to ensure your home stays comfortable.
Do you want cleaner air? Do you enjoy saving money on AC service in Chicago? Then, you should call us to schedule HVAC maintenance! Getting ac tune-ups extends the life of your HVAC equipment and takes some of the sting out of your utility bills. For more information on AC maintenance plans in Chicago, reach out to us by phone or email.
Check out our Financing options in Chicago IL with FTL Finance.
Check out our Financing options in Chicago IL with Wells Fargo.
TDH Mechanical, Inc. is an HVAC company located in Chicago, Illinois. TDH Mechanical employs only the best HVAC technicians for your AC and furnace repairs or replacements. So, when you ask to find "A good Air Conditioner company near me", you've come to the right place. To get a quote on your next ac repair or replacement, call (773) 342-4338. TDH Mechanical, Inc. services all HVAC equipment brands including Trane, Mitsubishi, AO Smith, Rinnai, Bradford White, Rheem, Daikin, Fujitsu, Navien, Lochinvar, Crown, Weil McLain, Waterfurnace, Aprilaire, Honeywell, Dynamic, Skuttle, General, Carrier, Coleman, Bryant, Payne, Frigidaire, York, Lennox, Maytag, Goodman, Ruud, Amana, Daikin, Armstrong, American Standard, Nest, and Ecobee.
For the best Heat Pump replacement in Lincolnwood IL, choose a BBB rated company.
For the best Heat Pump replacement in Lincolnwood IL, choose Carrier
For your Water Heater repair in Oak Park IL, trust a HomeAdvisor Approved contractor.
For your AC repair in Lincolnwood IL, trust a HomeAdvisor Approved contractor.
Serving the St. Charles Area
Monday - Friday: 8:00am - 5:00pm
Call Us Today for Service
Chicago Location
1623 W Montrose Ave
Chicago, IL 60613
St Charles Location
606 Cedar St
St Charles, IL 60174
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For AC repair in Chicago IL, we accept most major credit cards.