Remarkable Craftsmanship, Affordable Service.

Your Reliable Chicagoland Heating & AC Experts

The trusted Chicago heating and cooling company.

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Since 1985

Looking for the Best Air Conditioning and Furnace Company & Contractor in Chicagoland?

Finding the right Chicago, IL heating and cooling company should not have to be a hassle. Maybe you are wary because of a negative experience with past contractors. TDH Mechanical, Inc. was established to give residents and commercial property owners throughout Chicago a trusted source for their HVAC problems. We saw a need for customer-oriented contractors in our neighborhood and set out to provide quality service. You deserve the best solutions, and we have the right team in place to provide high quality services.

Making a Difference

Experienced HVAC Professionals


Customers a Year


5 Star Reviews


Years In Business



Ready to Help You

How are we different?

What sets us apart from other HVAC companies?

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 air duct cleaning. All of our technicians carry a customer-first mindset, allowing you to benefit from unparalleled workmanship and a close 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.

What do our customers say?

Customer Testimonials

For Over 30 Years

Built On Trust

Our team is NATE and EPA certified, which means we are not only knowledgeable about the HVAC field, but also up to date on and comply with industry codes and standards. Your home is safe in our hands.

We're Ready to Help!

Open Daily from 8:00 AM to 5:00 PM. Call us to schedule an appointment!

At TDH Mechanical we offer 100% free install estimates! Call us or complete our quote form.