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Heating & Cooling HVAC Services - Westchester

We’ve been the trusted choice for Westchester, Illinois HVAC services for nearly 30 years.

Westchester HVAC Services

For nearly 30 years, TDH Mechanical has been a trusted provider of Westchester HVAC services. Not only are we Chicagoland’s largest HVAC contractor, but we’re also proud to be known as Chicagoland’s Most Trusted Trane dealer! We’re committed to ensuring that your home stays comfortable and safe, year-round. 

  • Westchester Air Conditioning Install & Repair
  • Westchester Heating/Furnace Install & Repair
  • Westchester Indoor Air Quality

Westchester Air Conditioning

As your Westchester Illinois air conditioning company, you can count on us for fast, affordable air conditioning installation and repair services.  No matter what make and model you own, we have the techs, tools, and training to repair your AC unit.  Need a new air conditioning unit?  We offer the industries top Trane air conditioners to keep your home protected from the heat.

Westchester Heating

Looking to prepare your home for the cold months ahead? At TDH Mechanical, we deliver reliable Westchester HVAC services that include industry-leading Westchester heating systems. Our installations are quick, ensuring that your home never goes long without heating. We also offer same-day service for repairs on furnaces and heaters to help you stay comfortable year-round.

Westchester Indoor Air Quality

Your Westchester indoor air quality is an important maintenance aspect of your home that is often overlooked. From minor allergens to serious hazards, your air ducts can collect years’ worth of dust, mold, and debris. That’s why we offer several solutions to keep your Westchester’s home air quality as clean as possible—at a price you can afford.

Schedule HVAC Services in Westchester

When your Westchester home needs heating, cooling, or ventilation service, go to the one-stop source you can rely on for top-quality service every time. Choose TDH Mechanical and get the AC and furnace maintenance and installation solutions you need at a price you can afford. Give our friendly team a call to learn more, or fill out our online form to schedule your free quote today!

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Our Services

How are we different?

What sets us apart from other HVAC companies?

  • We have been around since 1985, and have over 30 years of experience.
  • We serve over 200 towns throughout the Chicago area including, Westchester.
  • Our team is NATE and EPA certified, and comply with industry codes and standards.
  • We do not subcontract our work to third parties. Your technician is a full-time professional at TDH Mechanical, handpicked by Tim himself.
  • We have a team of loyal professionals, some of whom have been with us for several years. This results in dedicated experts who are interested in building long term relationships with our customers.
  • We are authorized Trane dealers and offer the Trane Satisfaction Guarantee.
  • Top notch, truly personalized service from start to finish. No matter the extent of the job.

There is no problem too small or overwhelming 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.

Westchester, Illinois

The area now known as Westchester was occupied by German farmers dating back to the mid-19th century. Samuel Insull purchased the land in 1924 with plans to recreate an English-style town. As a result, the town’s name and the majority of its street names are of English origin.

The Great Depression slowed construction in the ensuing decade, although the population continued to grow, largely aided by the presence of the western terminal of Chicago’s rapid transit line. The extension of the line was removed in 1951. However, the Interstate Highway System’s creation in 1956 led to the construction of nearby expressways I-290 and I-294, providing residents with convenient travel.

Expansion has consumed nearly all open land within the village, save for the 85-acre (340,000 m2) Wolf Road Prairie. It is the largest black-soil prairie remnant east of the Mississippi River.

Westchester is located at 41°51′14″N 87°53′1″W / 41.85389°N 87.88361°W / 41.85389; -87.88361 (41.853890, -87.883712).

According to the 2010 census, Westchester has a total area of 3.69 square miles (9.56 km2), all land. It shares its Western border with Du Page County.

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