Business Details
44 Years
experience
Emergency
services
Your Trusted HVAC Partner in Norwalk, CT
T&H Mechanical Systems has been a trusted HVAC provider for Fairfield and Westchester homes and businesses since 1982. Our family-run operation combines four decades of industry experience with a commitment to personalized service, ensuring every client receives tailored heating, cooling, and indoor air quality solutions. Our NATE-certified technicians specialize in residential and light commercial systems, offering same-day service, 24/7 emergency repairs, and installations of Carrier and Trane products.We prioritize customer education, transparent pricing, and long-term reliability, standing behind our work with comprehensive warranties and follow-up support. As a locally owned business, we treat every client like family, maintaining our reputation through honest communication, technical expertise, and community-focused service.
Services
Heating Installation
Air Conditioning Repair
Commercial HVAC
Indoor Air Quality
Thermostat Services
Ductless Systems
Boiler Repair
Heat Pump Installation
Maintenance Plans
Emergency Services
Details
- Year established: 1982
Highlights and features
- We have over 40 years of experience in residential and commercial HVAC services.
- Our team consists of NATE-certified technicians with expertise in heating and cooling systems.
- We offer same-day service and 24/7 emergency repairs for urgent needs.
- We are independent dealers of Carrier and Trane, ensuring quality installations.
- Our family-run business prioritizes customer satisfaction and honest pricing.
Associations and certifications
- NATE-certified
What people say
Professional and clean
No mess left
24/7 emergency response
Educational guidance
Warranty follow-through
Services
HVAC Installation
We specialize in installing energy-efficient heating, cooling, and ventilation systems tailored to residential and light commercial needs. Our technicians handle furnaces, heat pumps, air conditioners, and boilers with precision. Every installation includes personalized consultation to ensure optimal comfort and system longevity.
Emergency Repairs
Our NATE-certified team provides rapid response for HVAC emergencies, including same-day appointments and after-hours assistance. We diagnose and resolve issues with heating, cooling, and air quality systems to restore comfort immediately. Emergency service covers all system types, including complex commercial units.
Indoor Air Quality
We improve indoor environments through air filtration, purification, and humidity control solutions. Services include UV air purifiers, dehumidifiers, and ventilation systems that remove contaminants and regulate air moisture. Our experts assess specific needs to recommend systems that enhance health and comfort.
Commercial HVAC
We service light commercial HVAC systems up to 25 tons, including installations, maintenance, and emergency repairs. Our team handles boilers, furnaces, heat pumps, and zone control systems for offices, shops, and schools. Tailored maintenance plans ensure business continuity and system efficiency.
Maintenance Plans
Our maintenance agreements include seasonal inspections, cleaning, and performance optimization for residential and commercial HVAC systems. Regular service extends equipment lifespan, improves energy efficiency, and prevents unexpected breakdowns. Plans offer priority scheduling and discounted repair rates.
People
Harold
Founder
With 40 years in HVAC, Harold established T&H Mechanical Systems as a family-run business prioritizing customer education and reliable service. His hands-on approach ensures every project meets strict quality standards.
Questions
What HVAC services do you offer?
We provide heating, cooling, indoor air quality solutions, emergency repairs, and maintenance plans for residential and commercial systems up to 25 tons.
Do you offer emergency HVAC repairs?
Yes, we provide 24/7 emergency services with same-day appointments available for urgent heating and cooling system failures.
Are your technicians certified?
All technicians are NATE-certified, ensuring expertise in residential and light commercial HVAC systems.
What areas do you serve?
We serve Fairfield and Westchester counties, including Norwalk, Stamford, White Plains, and surrounding communities.
Do you offer maintenance plans?
Yes, our maintenance agreements include bi-annual inspections, system cleaning, and priority service scheduling to optimize HVAC performance.
Reviews (4)
Marci Forsland
Oct 15, 2020
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Harold was professional, did the work on time and at a great price. Highly recommend for ductless AC installs.
Service:Ductless heating and AC services
Service:Ductless heating and AC services
Michael Rosato
Nov 05, 2019
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At the beginning of this summer, the unit I bought last year from Harold was not doing its job. Took a few times to figure out what was going wrong. Harold came out three times to fix it at no charge. Excellent prompt service. He made it right and did it with a smile.
Marybeth Darcy
Jun 16, 2019
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Always responsive, honest, on time and fixes it the first time. I will never hesitate to refer friends to Harold and his team
E. Torque
Oct 26, 2018
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I have been a developer since 1984. This contractor has been very reliable and does professional work. I use them on my own home and would recommend them.
