Your Comfort, Our Expertise

Trusted HVAC Heating and Cooling Services on Long Island

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Cooling

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Heating

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Indoor Air Quality

WHY CHOOSE US

  • Fully Licensed & Insured
  • BBB A+ Rated
  • 24/7 Customer Service
  • 100% Satisfaction Guarantee
  • Free In-Home Estimate
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Financing options available

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New Install Discount

$100off

    Service Area

    Proudly Serving Long Island
    Nassau County & Suffolk County

    • Setauket
    • Nesconset
    • Head of the Harbor
    • Commack
    • Kings Park
    • Stony Brook
    • Lake Grove
    • Smithtown
    • Port Jefferson
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    Become a Smart Maintenance Member

    Don't just take our word!

    See what your neighbors have to say...

    Heating Installation

    I couldn't be happier with the service I received! The team was professional, on time and explained everything clearly. Thanks so much.

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    Lisa M. Setauket, NY

    March 2025

    Water Heater

    When our water heater broke down, they responded quickly and had it replaced the same day. The technicians were courteous, knowledgeable and left everything spotless. It’s hard to find such reliable service these days—these guys are the best!

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    James R. Suffolk County, NY

    February 2025

    Whole-house Humidifier

    We had a whole-house humidifier installed. The team at Rose-Aire was very knowledgeable and courteous. Thanks so much!

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    Emily S. Port Jefferson, NY

    February 2025

    Our Blogs

    Proudly Serving Nassau County and Suffolk County, Long Island.

    Top 5 HVAC Maintenance Tips for Homeowners: Keep Your System Running Efficiently

    Taking care of your HVAC system is key to keeping it running smoothly. Regular maintenance...

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