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Long Island Emergency Heating & AC Services

Long Island HVAC Keeping Your Home Comfortable All Year Long

Extremes in weather can be difficult for everyone, even your home comfort system! Though expert installation and regular preventative maintenance can help maximize the lifespan of your system, there are some situations that simply cannot be avoided. What’s more, breakdowns in your AC or heating system almost always occur at the worst possible time. Fortunately, our emergency heating & AC service experts on Long Island are available 24/7 to help you handle problems no matter when they occur. At Reliance Heating and Cooling, our team can be at your home in no time to resolve system issues so your family can enjoy the comfort of fully-functioning heating and air.

Fast, Accurate Service You Can Rely On in Suffolk & Nassau County

Whether your AC has broken down during a sweltering summer heatwave or your heater stopped working in the middle of a cold snap, time is of the essence. Our customers know that they can count on our team to be available when they need us, arrive promptly, provide accurate diagnoses, and carry out a lasting solutions.

We can help you to identify and solve problems with any aspect of your home comfort system, including:

Your Satisfaction is Our Priority

At Reliance Heating and Cooling, we have everything you need to get your heating and air conditioning up and running again. Our Long Island emergency HVAC specialists have years of experience backing our expert service and proudly hold an A+ rating with the Better Business Bureau. No matter what service you need, or when you need it, we want to be the team you call!

Take advantage of our 24/7 emergency services by calling us today at (631) 619-2529.


Why Our Customers Rely On Us

For All of their Heating & Cooling Needs
  • “They were at my home within a few hours and Joe was amazing.”

    Jerry R.

  • “I am very grateful for the excellent service we received!”

    Peter S.

  • “Love that they have membership agreements and will show up when they say they will. ”

    Kathy M.

  • “Solved my problem with some replacement parts for a very reasonable cost.”


  • “I can always count on Reliance”

    Donna from Century 21 Princeton Properties Realty

  • “I have dealt with many service-oriented firms in my life, and can truly appreciate a quality organization such as yours.”

    Rick B.

  • “Tom from Reliance came and with a stock part off his truck, he was able to get me up and running.”

    Jordan B.

  • “Job Well Done!”


  • “He was personable, took the time to explain everything and had us up and running in no time!”

    Fran M.

  • “pool service”

    Jackie M.

  • “Will definitely keep Reliance as my service provider!”

    Alexis H.

  • “Can't say enough!”

    John K


Service You Can Rely On




Comprehensive Service Memberships Find the Plan that Works for You Learn More