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Long Island Heating & AC Repair, Installation & Maintenance

Reliable Long Island HVAC Service from a Local Team

One Hour Heating & Air Conditioning® of Long Island is the premier provider of HVAC services for Long Island, including Suffolk and Nassau counties. Our team is highly trained, courteous, and always on time! We’ve earned our reputation for providing great service by adhering to a strict code of ethics and never settling for providing less than a customer deserves. Besides sending a highly trained tech to your home, we also send a well-stocked vehicle, which means our experts can complete most jobs in just one visit.

All our Long Island heating and AC repair, installation, and maintenance services are backed by the UWIN Guarantee. This ensures that we use only high-quality materials and solutions for your home's comfort. Our team provides HVAC repair and installation services to residents in Nassau and Suffolk counties, including Deer Park, Bay Shore, Melville, Huntington, Medford, Riverhead, and all throughout Long Island. Whether your heater breaks on the coldest night of the year or your system needs regular maintenance, One Hour Heating & Air Conditioning® of Long Island is ready to help!

Why Our Long Island HVAC Company Is Trusted

We’ve gathered a loyal base of customers because of our dedication to their happiness. We provide neighborly service because we are your neighbors! One Hour Heating & Air Conditioning® of Long Island might carry the name of a nationally-recognized HVAC brand, but we’re an independently owned and operated business in Deer Park, NY. As a One Hour location, we provide some of the best guarantees in the industry. We promise that you’ll be 100% satisfied with our heating and air conditioning services, that we’ll show up on time, and that we’ll provide upfront prices! If any aspect of our work doesn’t meet your expectations, we’ll make it right at no cost to you. Whether you need an emergency Long Island AC repair or want to make sure your heater is ready for the winter weather, we're ready to help. You’ve got nothing to lose, call our Long Island HVAC service pros today!

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