Serving Fairfield and Westchester Counties

Norwalk, CT HVAC Company

Serving Fairfield & Westchester Counties

T&H Mechanical Systems understands what you want from your air conditioning service company: Reliability, honest pricing, and courteous service. As a Norwalk, CT HVAC and family business that has been serving the Connecticut and New York metropolitan areas for over 25 years, we are prepared to provide the outstanding workmanship and service you are seeking.

Keeping your space comfortable all year round requires many different systems that can all work together effectively. With 40 years of experience in the HVAC industry, our technicians understand how important these systems are to your comfort and convenience. That’s why T&H Mechanical Systems offers a full range of heating and air conditioning services throughout Stamford and beyond. We install a wide range of systems for every need, from conventional furnaces and air conditioners to boilers, dehumidifiers, ductless mini splits, and tankless water heaters. No matter what your home’s unique needs may be, we can find a solution for you. We also work with light commercial HVAC systems that are 25 tons or less.

Your home is your sanctuary. You deserve a space that is as comfortable as possible: Cool and dry in the summer, warm and cozy all winter long. At T&H Mechanical Systems, we don't settle for anything less. Put your trust in our team of professionals – then sit back and relax while we handle the work for you!

Online Specials
10 Maintenance Agreement

Get Peace of Mind. SAVE 10% On a 2-Year Maintenance Agreement!

10.0000 Maintenance Agreement

Reviews from Satisfied Clients

See What Makes Us "The Comfortable Choice"

With over 25 years in business, T&H Mechanical Systems has extensive experience helping the families and businesses of Fairfield and Westchester Counties improve their indoor comfort. Our technicians are highly trained professionals who come prepared with the tools, knowledge, and resources needed to solve your heating or air conditioning problem. To see how our team has helped people just like you achieve the comfortable and inviting space they are seeking, read reviews left by some of our past clients.

  • “Decided on T and H for the job – and we were absolutely thrilled with the job they did.”


  • “T&H did a great job on installing a new furnace.”


  • “Courteous and Considerate ”


  • “The work they did was very professional and they did not make any mess in or around my house.”


  • “They stood by their work, were always out immediately when needed and have given a great service over the last couple of years.”

    Matthew E.

  • “He got the job done quickly and I would recommend him in the future.”


  • “The best part was the education he gave me about my heating/cooling system which I know will help me for years!”

    Kim F.

Put Your Trust In Us & Relax

Same-Day & Emergency Services Available
  1. Backed by Over 40 Years of Experience
  2. Using Top Brands for Quality Solutions
  3. Independent Dealers of Carrier and Trane - Industry Leaders
  4. Distinguished NATE–certified Technicians
  5. Courteous and Professional Team for Best Customer Service
  6. Family–owned, Family-Trusted
  7. Offering Seasonal Specials & Deals To Help You Save
  8. Same-Day & Emergency Services Available
  9. Maintenance Plans Available to Keep You Comfortable Year-Round
  10. BBB A+ Rated & The Comfortable Choice for Locals
Call 203-644-1098 Or Get In Touch With Our Team Below
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