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Serving Long Island Since 1934   516.488.1800

  • bbb a+
  • Contact Us
  • Promotions
  • Air Conditioning
    • New Air Conditioning Installation
    • Air Conditioning Repair
    • Air Conditioning Maintenance
    • AC Service
    • Air Conditioning Systems
    • Ductless Air Conditioning
    • Mini-Split Air Conditioning
    • Thermostat Repair & Replacement
    • Commercial Air Conditioning Installation & Repair
  • Heating
    • Heat Pumps
    • heating system maintenance
    • heating system repair
    • heating systems
    • Heating Service
    • new heating system installation
    • Ductless Heating
    • boilers
    • Furnaces
    • Oil Conversions
    • Replacement Thermostats & Repairs
    • Commercial Boilers Installation & Repair
    • Commercial Heating Installation & Repair
      • Commercial Maintenance
        • Commercial Cooling System Tune-Ups
        • Commercial Heating System Tune-Ups
    • Commercial Rooftop Installation & Repair
  • ductless
    • Ductless AC & Heating Installation
    • Ductless Air Conditioner Contractor
    • ductless repair & maintenance
    • Ductless System Warranties and Costs
    • Mini-Split Air Conditioning & Heating
    • Mini-Split Repair & Maintenance
    • Variable Refrigerant Flow (VRF) Commercial Ductless
    • Packaged Terminal Air Conditioning (PTAC)
  • Plumbing
    • Drain Cleaning Services
    • Water Heater Repair & Replacement
    • Faucet & Sink Repair
    • Kitchen Plumbing Services
    • Toilet Repair & Installation
    • Showers & Bathtubs
    • Fixture Installations
    • Sump Pump Services
    • Garbage Disposal Services
    • Whole House Water Filtration Systems
    • Leak Detection Services
    • Whole Home Plumbing Inspection
    • Hot Water Recirculation Systems
  • Indoor Air Quality
    • Air Sterilization
    • Air Scrubbers
  • Resources/About
    • Recent Projects and Reviews
    • FAQs and Tips
    • Kerry’s HVAC Blog
    • Incentives
    • Service Areas Map
    • Meet The Team
    • Careers
      • HVAC Training Program
    • Apply For Financing
    • Installations Before and After
    • HVAC Maintenance Plans
    • Residential HVAC Resources
    • HVAC Glossary
    • generators

Serving Long Island Since 1934
516.488.1800

Home » HVAC Services in Suffolk County, NY » Suffolk County, NY Sitemap

Suffolk County, NY Sitemap

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  • 5 Reasons NOT to Get AC for Your Suffolk Home
“

Testimonial Rating
From the first phone call to inquire about the service to the team leaving the completed job, everyone walked me through the process to set my expectations. It was my first experience working with a service company that treats you like family. I will continue to use them for maintenance services and highly recommend them to anyone looking for heating and cooling services.

J.R. - Franklin Square, NY

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Why Choose T.F. O'Brien

Angi Super Service
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Presidents Award
NATE Certified
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T.F. O'Brien
100 Denton Ave., New Hyde Park, NY
(516) 488-1800
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