If you are looking for our Chicago location
Click Here
Call a Local Heating and Air Conditioning Company That Cares

Your Reliable HVAC Contractor in Chicagoland

Finding the right heating and AC company in Saint Charles should not have to be a hassle. Maybe you are wary because of a negative experience with past contractors. TDH Mechanical was established to give residents and commercial property owners throughout Chicagoland a trusted source for their HVAC problems. We saw a need for customer-oriented contractors in our neighborhood and set out to develop a business that guarantees your satisfaction. You deserve the best solutions, and we have the right team in place to provide them. From boiler repair to ductless installation, our expert technicians do it all.

To schedule ac repair or replacement, reach out to us at (630) 406-9082. We look forward to adding you to our family of happy customers in Batavia and Saint Charles.
What Sets Us apart From Other HVAC Companies?

How Are We Different?

  • We have over 35 years of experience serving the St. Charles area.
  • We serve more than 25 local towns.
  • Our team is NATE and EPA certified, and comply with industry codes and standards.
  • We do not subcontract our work. Your technician is a full-time employee of TDH Mechanical, handpicked by Tim himself.
  • We have a team of loyal professionals, some of who have been with us for many years. This allows them to cultivate long-term customer relationships.
  • We always provide top-notch, personalized service from start to finish. No matter the job's extent.
There is no problem too big or small for our team to tackle. We treat each and every service call with the same level of urgency, whether it’s a new furnace installation or an air duct cleaning. All of our technicians carry a customer-first mindset, allowing you to benefit from unparalleled workmanship and our 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.
Allow our techs to repair your Water Heater in Elgin IL
Experienced HVAC Professionals in Saint Charles


Check out our Water Heater repair service in Saint Charles 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 Batavia IL with our multiple 5-star reviews.
5 Star Reviews
Call TDH Mechanical, Inc. for great Air Conditioning repair service in Elgin IL as we have been for over 34 years.
Years in Business
Trust our 18 techs to service your Heat Pump in Saint Charles IL
Expert Techs
See what your neighbors are saying about our AC repair service in Saint Charles IL

Cities We Service

Click on a city below to see what your neighbors are saying about their recent experience with TDH Mechanical, Inc..
Sign up for our Air Conditioner maintenace plan in Batavia IL to ensure your home stays comfortable.
Do you like saving money? Would you like healthier, cleaner air? Then, you need to schedule an appointment for HVAC maintenance! Getting regular ac tune-ups extends the life of your HVAC equipment and saves you money on your energy bills. For more information on our ac maintenance plans, contact us by form or phone!
Check out our Financing options in Saint Charles IL with FTL Finance.
Check out our Financing options in Saint Charles IL with Wells Fargo.
TDH Mechanical, Inc. is an HVAC company located in St Charles , 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 (630) 406-9082. 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 Elgin IL, choose a BBB rated company.
For the best Heat Pump replacement in Elgin IL, choose a BBB rated company.
For your Water Heater repair in Batavia IL, trust a HomeAdvisor Approved contractor.
For your AC repair in Elgin IL, trust a HomeAdvisor Approved contractor.
Serving the St. Charles Area
Monday - Friday: 8:00am - 5:00pm
St Charles Location
606 Cedar St
St Charles, IL 60174
Chicago Location
1623 W Montrose Ave
Chicago, IL 60613
Home   |   Email Us |
Get a Quote   |   Maintenance   |   Guarantees |
Employment   |   Reviews   |  
For AC repair in Saint Charles IL, we accept most major credit cards.