Why Choose? \tService Map \tSocial Proof & Qualifications \tValue Proposition \tGuarantee Why choose TFO? \tStarting in 1934, we have more than 85 years of experience perfecting the technical art of HVAC and establishing good business principles. \tWe will tell you what to expect up front. Be it costs, service, repairs, installations, system details and limitations \u2014 there will be no surprises. \tWe will respect you and your property. \tT.F. O'Brien\u2019s ultimate goal is to provide the absolute best customer service in Long Island. \tWe accomplish this by employing superior craftsmen with great attitudes and work ethic. \tOur entire company strives to make sure you enjoy working with us and never have to deal with a hassle. \tExpanded into a larger facility in the last 10 years to accommodate rapid growth TFO Service Map Social Proof & Qualifications --Testimonials-- --Reviews-- Site Score # of Reviews Google 4.6 out of 5.0 164 Better Business Bureau 4.9 out of 5.0 65 ReviewBuzz 5.0 out of 5.0 719 To Your Success 98% out of 100% 1,061 Last updated 7\/24\/2018 --Qualifications-- \t2011, 2013 & 2014 Carrier\u00ae President\u2019s Award winner \t2015 Angie's List Super Service Award \tBetter Business Bureau Accredited \tNational Association of the Remodeling Industry (NARI) board member Value Proposition \tSave $$ on repairs: Many costly HVAC repairs and replacements can be prevented with regular inexpensive maintenance \tSave $$ on energy bills: Replacing your older heating and cooling system with modern equipment can cut your energy bills significantly \tSave $$ on energy bills AND extend the life or your system: We do it right. Improper installation reduces system efficiency, shortening the lifespan of your system and increasing energy bills \tAvoid inconvenience: Systems tend to fail on the coldest and hottest days of the year. Stay comfortable year around with regular maintenance that can catch problems before the inconvenience of a system fail. TFO Guarantee If you are not 100% happy with our service you will not pay until you are. \tCompare this T.F. O'Brien guarantee with the fine print you might see regarding the service of other HVAC companies. \tOther companies can only promise that your system will work afterward, and don\u2019t commit themselves to standards of service and behavior in your home or business or your satisfaction with process.