
About the One Hour Heating & Air Conditioning® of Suffolk County Team
The Trusted Long Island HVAC Company
At One Hour Heating & Air Conditioning® of Suffolk County, we’re always focused on providing two things to our customers: lasting HVAC services and excellent customer service. Our technicians are the reason people love what we do. Each member of our team undergoes an extensive amount of training and is well equipped to solve any Long Island HVAC repair, installation, or maintenance problem. We know that you don’t want us at your home for longer than needed, so we keep our vehicles well-stocked to get most jobs done in just one visit!
Why Our Suffolk County HVAC Company Is Different
One Hour Heating & Air Conditioning® of Suffolk County is proud to be the One Hour location for Long Island. Even though One Hour is a national brand, we’re an independently owned and operated business. So, when a member of our team comes to your home, they’ll provide the warm and neighborly service that you should get from a local company.
Reasons our customers love what our Long Island HVAC technicians do include:
- We’re Local
- 100% Satisfaction Guaranteed
- Experienced & Reliable Technicians
- Strict Code of Ethics
- StraightForward Pricing® Guarantee
Why Long Island Customers Trust Our Work
We’re thankful each time a customer chooses us over other companies for their Long Island HVAC service needs. However, we don’t receive someone’s trust for no reason. We fortify our commitment to quality and service through some of the nation’s best HVAC guarantees. First, we provide the peace of mind customers deserve with a 100% satisfaction guarantee. Then, we show customers that their time is valuable to us by always showing up on time. Our on-time guarantee says it all: “Always on time… or you don’t pay a dime!” Finally, we provide upfront pricing free of hidden surcharges and inflated fees by providing a list of prices for our services. Call us today to find out why we’re the choice HVAC service provider in Nassau and Suffolk counties!
Call our team 24/7 at (631) 779-4056. We’re available for your emergency service needs in Long Island or if you need to make a same-day appointment!


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

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‘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.
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100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service.
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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!
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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 time window that you select, or your service call is free.
