T.F. O'Brien Cooling & Heating
We have been providing quality heating, air conditioning, and plumbing services on Long Island for over 90 years as a family-owned HVAC partner. Our experienced team is available 24/7 for emergencies—even on holidays and weekends—to help restore comfort and safety to your home or business quickly. In addition to comprehensive heating and cooling services, we also offer water heater repair and replacement, drain cleaning, faucet and sink repair, toilet service, sump pump installation, garbage disposal service, whole-house water filtration, and leak detection backed by decades of expertise and professional installation.