Serving Suffolk & Nassau County · Long Island, NY
Islip, Suffolk County
HVAC Service in Islip, NY.
Professional heating and air conditioning repair, installation, and emergency service for Islip homeowners. Family-owned, licensed, and insured — serving Suffolk County since 2019.
What we offer in Islip
Full-Service HVAC for Islip Homes & Businesses.
Serving Islip since 2019
Your Local Islip HVAC Experts
A1 Heating & Air Conditioning has been serving Islip and the surrounding Suffolk County area since 2019. As a family-owned business, we understand the unique heating and cooling needs of Long Island homes — from older oil-heated colonials to newer construction with central air.
We also serve nearby Bay Shore, East Islip, West Islip, and Brightwaters — so wherever you are in the area, we're close by.
Common questions
HVAC Questions from Islip Homeowners
Do you offer HVAC service in Islip, NY?
Yes — A1 Heating & Air Conditioning serves Islip and surrounding communities including Bay Shore, East Islip, West Islip, and Oakdale. Call 631-331-2102 to schedule same-day or emergency service.
Can you repair my central air conditioner in Islip?
Absolutely. We repair all makes and models of central air conditioning systems throughout Islip. Whether it's a refrigerant leak, a failed capacitor, or a compressor issue, we diagnose fast and provide upfront pricing before any work begins.
Do you install ductless mini-splits in Islip?
Yes. Ductless mini-split systems are a great option for Islip homes without existing ductwork or for adding comfort to a specific room or addition. We install Mitsubishi, Daikin, and other leading brands.
What heating systems do you service in Islip?
We service and replace gas furnaces, oil furnaces, boilers, and heat pumps throughout Islip. We also handle oil-to-gas conversions for homeowners looking to upgrade from older oil heating systems.
Do you offer 24/7 emergency HVAC service in Islip?
Yes. We provide 24/7 emergency heating and cooling service throughout Islip and Suffolk County. If your system breaks down at night or on a weekend, call 631-331-2102 and we'll respond as quickly as possible.
Our Services
Nearby Service Areas
Get in Touch
Serving Islip and all of Suffolk County. Same-day and emergency service available.
631-331-2102Serving Islip & surrounding areas
Need HVAC Service in Islip?
Same-day and emergency service available. Licensed, insured, and trusted by Islip homeowners since 2019.