Suffolk County Heating & AC Repair, Installation & Maintenance

Reliable Suffolk County HVAC Service from a Local Team

One Hour Heating & Air Conditioning® of Suffolk County is the premier provider of HVAC services for Long Island, including areas throughout Suffolk County. 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 Suffolk County 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 Suffolk County, 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 Suffolk County is ready to help!

Why Our Suffolk County 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 Suffolk County 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 Suffolk County 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 Suffolk County HVAC service pros today!

Always On Time... Or You Don't
Pay A Dime!®

‘Round the Clock Availability
No matter the hour, you can trust One Hour to be there to help you when you get hit with the unexpected.
100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service.
StraightForward Pricing® Guide
Before we start any work, we discuss your available options so you know exactly what you are getting and how much it will cost. No hidden fees!
Always On Time…Or You Don’t Pay A Dime!®
We understand your time is valuable, so we promise to arrive at your home within the predetermined one-hour time window that you select, or your service call is free.