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T&H Mechanical Systems, a Trusted Stamford, CT Air Conditioning and Heating Company

Keeping your home or office comfortable all year round requires a lot of different systems to be working together. Each of these systems is going to need professional service on a regular basis in order to fulfill their potential. We understand how important these systems are to your comfort and convenience. That’s why T&H Mechanical Systems offers a full range of HVAC services throughout the area. If you need air conditioning, heating, indoor air quality, water heater, or commercial HVAC services, we can help you out. Call today if you have any questions, or to set up an appointment with one of our expert technicians.

T&H Mechanical Systems provides quality residential and commercial HVAC and Indoor Air Quality services near Stamford, CT and the surrounding areas.

Service Overview

Air Conditioning

Keeping your home cool is a high priority during summer. No one wants to suffer through the hottest months of the year without a good air conditioning system on their side. Fortunately, we offer comprehensive air conditioning services. Whether you need an air conditioning system installed, maintained, repaired, or replaced, our HVAC technicians can help you. With us on the job, your home can remain cool and comfortable all summer long. Call us today to set up an appointment.


When winter rolls around, you’re definitely going to want a reliable home heating system set up. After all, bundling up just to remain comfortable in your own home isn’t a good situation to be in. We offer a full range of home heating services, including installation, repair, maintenance, and replacement. Whether you’re in the market for a new system, or just need to make sure that your current system is ready for winter, T&H Mechanical Systems has all the services you need. Let us help keep your home warm through the coldest months of the year.

Water Heaters

Your home’s water heater is one of the hardest working appliances you have. Every time you use hot water, which is probably multiple times a day, your water heater is working for you. Since you rely on your water heater so much, it’s a good idea to make sure that it receives the best possible installation and service. T&H Mechanical Systems offers complete water heater services. If you need a water heater installed or serviced, give us a call today.

Indoor Air Quality

Indoor air quality is often neglected by homeowners, who aren’t aware of how much of an impact it has on their quality of life. Your indoor air quality is affected by a wide variety of things, including airborne contaminants and humidity. Things like dust, dirt, pollen, germs, and mold spores can cause allergy attacks or make you sick. Humidity imbalances can promote mold growth or weaken your immune system. If you want to improve your indoor air quality and, by extension, your quality of life, take advantage of our services! We can help remove harmful contaminants from your air, and correct the balance of your humidity.

Commercial HVAC

Residential properties aren’t the only ones that need HVAC services. Commercial buildings serve a great many more people, on average, than residential ones. They need HVAC systems that can stand up to the strain of serving just as many. We install, repair, maintain, and replace commercial HVAC systems. Whether you need heating or air conditioning, we can make sure that your commercial building stays comfortable all year round. Call today to schedule an appointment with one of our expert commercial HVAC technicians.

What Our Clients Say

The work they did was very professional and they did not make any mess in or around my house. I would definitely use them again.

- Christine

His team was prompt, courteous, reliable, trustworthy and CLEAN!

- Andrew

His men were courteous and considerate of our situation and knew what they were doing.

- Alan

I found Harold was focused on service and I really appreciated that. He got the job done quickly and I would recommend him in the future.

- Steven

I would use T&H again and would certainly recommend them to my family and friends.

- Michael

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