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Reliance Heating and Cooling Exceeding Expectations

Long Island Heating Repair Services

Installing & Repairing Boilers, Furnaces & More

Have you been left in the cold with a broken heating system? If you are located in Nassau or Suffolk County contact Reliance Heating and Cooling for professional guaranteed repairs. We are Long Island’s premier heating and cooling company based out of Islandia. We have years of experience working with natural gas, L.P. gas and oil heating systems as well as systems, keeping our local friends and neighbors warm all winter long.

Regular Heating Maintenance

You may want to consider having a Heating Service Membership Agreement in place to take care of your home. This offers you the peace of mind in knowing that if you have a heating emergency, you have a trusted Long Island heating expert by your side.

Our Heating Service Membership Agreements offer you the following options, benefits, and more:

  • Preferred Customer Status
  • Discounted Parts and Service
  • 24/7 Call Center
  • 24/7 Emergency Service with Selected Plans
  • All Parts Covered with Selected Plans
  • Annual System Safety Check and/or Start up With Selected Plans
  • Extended Equipment life
  • Lower Utility Bills

Home Heating System Repair Experts in Nassau & Suffolk Counties

For your protection, we are licensed and insured. If you find yourself without heat, we will send a qualified HVAC service technician to your home to handle any of your heating system repair needs. Not having sufficient heat during the winter months is not only an inconvenience but also a very serious problem. Our prompt response can warm you up and prevent any damage to your home.

For help with your Long Island water heater repairs call us now at (631) 619-2529.

New Installations & Repairs

If you are considering selling or upgrading your home heating system, we install a new system to increase your property’s value and make the home more attractive to potential buyers. At Reliance Heating and Cooling, we are committed to providing homeowners throughout Nassau and Suffolk counties with expert knowledge, experience, and excellent customer service with their installation or repairs.

We are based out of Suffolk County, NY, to service customers throughout Suffolk and Nassau counties with their heating and cooling needs. Check out our financing options and coupon page for great discounts on products and services. We are proud to maintain an A+ Rating with the BBB.

Call (631) 619-2529 online or contact Reliance Heating and Cooling online to schedule your service.


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