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Heating & AC Service in Lemont

TDH Mechanical has been trusted by Lemont residents to provide exceptional HVAC services since 1988. In our 36 years, we’ve worked hard to build a reputation for excellence and strive to be the largest ac repair specialist around. In fact, we’ve proudly become known as Chicagoland’s Most Trusted Trane Dealer! Our mission is to ensure Lemont homes remain safe and comfortable throughout the year.

Our most requested services include:

  • Lemont Air Conditioning Install
  • AC Repair in Lemont
  • Lemont Furnace Repair
  • Heating Installation in Lemont
  • Lemont Indoor Air Quality

Air Conditioning in Lemont

When the summer heat and humidity in Lemont become too much to handle, TDH Mechanical is your lifeline. We provide a comprehensive array of air conditioning solutions, from top-tier installations to maximize your comfort to detailed tune-ups that enhance performance, and prompt AC repairs to keep you cool. To schedule heat pump or AC service in Lemont, give (773) 342-4338 a call.

Heating in Lemont

When winter arrives in Lemont, a dependable heating system is your best friend. TDH Mechanical understands the importance of keeping your family warm during the coldest months. Whether you have a furnace, boiler, or heat pump, we have heating services to meet your needs. Our expert installations provide warmth, our regular maintenance keeps your system in peak condition, and our fast repair services ensure you're never left out in the cold. So, the next time you need a heating company in Lemont, give (773) 342-4338 a call.

Indoor Air Quality in Lemont

At TDH Mechanical, we understand that your family's health and well-being are of utmost importance. That's why we've made it our mission to provide the residents of Lemont with state-of-the-art air quality solutions. With our advanced technologies and expert services, you can trust us to help you create a home environment where your family can breathe easily, knowing that their health and comfort are in capable hands.

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Our Services in Lemont

Air Conditioners

Trust us to help your Lemont home stay cool in the heat of the summer. From air conditioning tune-ups to air conditioner repair to installing a new ac system, TDH Mechanical is the pro to know.

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Don’t suffer no heat, poor heating, or high energy bills. TDH Mechanical fixes and tunes furnaces in Lemont. We can also provide you a quote on installing a new high-efficiency furnace. To take advantage of our furnace services, give (773) 342-4338 a call.

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Do you heat your home with a boiler (aka hydronic heating) system? TDH Mechanical is the expert Lemont calls when boiler problems arise. From simple repairs to installations and maintenance, there’s nothing our Lemont heating contractors can’t handle.

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Water Heaters

TDH Mechanical keeps the hot water flowing for homeowners in Lemont and across the Chicagoland area. We install, service, and repair both traditional and tankless water heaters.

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Air Duct Cleaning

Lemont homeowners are often surprised to learn how dirty their ducts are! Having TDH Mechanical professionally clean your ducts can help reduce levels of dust and improve air quality. Call TDH Mechanical, Inc. to schedule service with our Lemont duct cleaning experts.

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Air Filtration

If you or someone in your Lemont home suffer from allergies or other respiratory conditions, ask TDH Mechanical about installing an electronic air purifier or filtration system. These can remove contaminants from the air, allowing you and your family to breathe easier. Not sure if it will help? Have us come out for a free quote on air purifier installation in Lemont.

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Commercial HVAC

Ensuring the comfort of employees and customers in your Lemont office or business is an important responsibility of property managers. Partner with TDH Mechanical to make your job easy. From large-scale jobs to small fixes in Lemont, our commercial HVAC technicians are here and ready to take the call.

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The TDH Mechanical Advantage

Why Chicagoland Homeowners Choose TDH Mechanical

  • Stability: We’ve been around since 1988 and will be here tomorrow.
  • Experience: In our (#CompanyAge}, we’ve gained invaluable experience—we’ve seen it all.
  • Certified: Our techs are certified by NATE (North American Technical Excellence) and the EPA.
  • Compliance: Our team adheres to all industry standards and local codes.
  • Dedicated: Our team is loyal and committed to building long-term relationships with our clients.
  • Service Area: We work in more than 25 communities in and around Chicago.
  • No Subcontracting: When you work with us, you get a TDH-employed and trained professional.
  • Personal: No matter the size of your job, you get top-notch customer service from start to finish.

Call us for AC Repair in Lemont

At TDH Mechanical, we see every job in Lemont as an opportunity to surpass your expectations. Whether we’re installing a furnace, cleaning your ducts, or fixing your ac, our technicians are thorough and detail-minded. Our focus is on customer satisfaction—ensuring you get long-lasting benefit from the time we spend in your home. Call (773) 342-4338 and let us take care of all your HVAC needs.

Recent Jobs and Reviews in Lemont, IL

Rated 5.0 out of 5 stars based on 1 customer reviews


Great service
Great service
Michele - Lemont, IL 60439

Job Locations

Wally W.
Wally W.
Estimate for new furnace ac coil humidifier and thermostat
Lemont, IL 60439
Ken H.
Ken H.
Clean Trane air conditioner
Lemont, IL 60439
Ken H.
Ken H.
Clean American Standard air conditioner
Lemont, IL 60439
Rolando C.
Rolando C.
Lemont, IL 60439
Rolando C.
Rolando C.
Lemont, IL 60439