When you need HVAC services in your Nassau County home, trust the experts at T.F. O’Brien Cooling & Heating. With nearly 80 years of experience in home comfort, we are uniquely qualified to meet the needs of customers all over Nassau County. We offer a comprehensive range of services for all your home comfort needs.
Our highly trained technicians are experts in the field of home comfort, and they work hard to provide each and every customer with quality HVAC services. We’re so sure that our technicians provide the best products and services available in Nassau County that we offer a 100 percent satisfaction guarantee – we want you to be happy with the HVAC services we provide, and you won’t pay until you are.
Get Started with an Estimate
Call T.F. O'Brien Cooling & Heating at (516) 488-1800 or complete our short form below and a representative will reach out to you.
"Completely Satisfied"
"I was completely satisfied with the professionalism, quality, and courteousness of your service. I will continue to call on and recommend you all future AC/Heating needs. Thank You."
- T.F., Baldwin, NY
4.9
1,767 reviews
4.8
1,376 reviews
T.F. O’Brien review scores as of 10/4/24
T.F. O’Brien offers comprehensive HVAC services in the Nassau County area.
We provide complete HVAC services for all of Nassau County which include:
- Heating Contractor in Nassau County, NY
- Air Conditioning Contractor in Nassau County, NY
- Furnace Contractor in Nassau County, NY
- Boiler Contractor in Nassau County, NY
- Ductless Contractor in Nassau County, NY
- Generator Contractor in Nassau County, NY
- Oil to Gas Conversion Contractor in Nassau County, NY
- High Velocity Heating Contractor in Nassau County, NY
- Heat Pump Contractor in Nassau County, NY