HVAC Services in Suffolk County, NY

When you need Suffolk County HVAC services in your 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 Suffolk 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 Suffolk 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.

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"Exceeded Expectations Throughout"


"The installation of a new central a/c unit exceeded expectations throughout the entire process...a true professional team throughout.

Thorough explanation of available options, responsive scheduling, seamless installation in one day by a diligent crew that took great care to be neat and clean, including the complete removal of the old system.

Would highly recommend the T. F. O’Brien team for installation of a new A/C system."

Jim Graf - Satisfied T.F. O'Brien Customer

Google Star Rating 4.8
72 reviews
Google Star Rating 4.6
270 reviews

T.F. O’Brien offers comprehensive HVAC services in the Suffolk County area.

When you need HVAC services in your Suffolk County home, count on T.F. O’Brien to meet your needs with courtesy and professionalism. To learn more about our comprehensive HVAC services, please contact us at 516.488.1800 and we will be more than happy to assist you.