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
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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.

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    Why Homeowners in Nassau and Suffolk Counties Should Join Rose-Aire Co.’s HVAC Maintenance Club

    Reliable Long Island HVAC Plans for Nassau and Suffolk County Homeowners If you live in...

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    Is Your AC Ready for the Summer? A Pre-Season Checklist for Nassau and Suffolk County Homeowners

    Get Ahead of the Heat: Your Long Island AC Maintenance Checklist for a Cool, Stress-Free...

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    Why Long Island’s Coastal Climate Demands a Reliable HVAC System

    Understanding the Unique HVAC Challenges of Living in Nassau County & Suffolk County Living on...

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    Top 5 HVAC Mistakes Long Island Homeowners Make (and How to Avoid Them)

    Top HVAC Mistakes Homeowners in Nassau County and Suffolk County Should Avoid Whether you’re braving...

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    When Is the Best Time for HVAC Maintenance on Long Island?

    Why HVAC Maintenance Matters When it comes to keeping your home comfortable year-round, your HVAC...

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    How to Lower Your Energy Bills on Long Island

    HVAC Tips & Tricks to Lower Your Energy Bills on Long Island Long Island is...

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