Serving Suffolk & Nassau County · Long Island, NY
Centereach, Suffolk County
HVAC Service in Centereach, NY.
Expert heating and air conditioning repair, installation, and emergency service for Centereach homeowners. Same-day service available throughout central Suffolk County.
What we offer in Centereach
Full-Service HVAC for Centereach Homes & Businesses.
Serving Centereach since 2019
Your Local Centereach HVAC Experts
A1 Heating & Air Conditioning has been serving Centereach 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 Selden, Lake Grove, Ronkonkoma, and Stony Brook — so wherever you are in the area, we're close by.
Common questions
HVAC Questions from Centereach Homeowners
Do you provide HVAC service in Centereach, NY?
Yes — A1 Heating & Air Conditioning serves Centereach and surrounding communities including Selden, Lake Grove, Ronkonkoma, and Stony Brook. Call 631-331-2102 to schedule service.
Do you offer same-day AC repair in Centereach?
Yes. We offer same-day AC repair throughout Centereach and central Suffolk County. Call 631-331-2102 and we'll do our best to get a technician to you the same day, especially during the summer months.
What heating services do you offer in Centereach?
We offer full heating services in Centereach including furnace repair and replacement, boiler repair and replacement, heat pump installation, and emergency heating service. We service all major brands.
Do you install whole-home generators in Centereach?
Yes. We install Generac and other standby generators for Centereach homeowners. A whole-home generator keeps your heating, cooling, and essential appliances running during Long Island power outages.
How can I improve the air quality in my Centereach home?
We install whole-home air purifiers, UV germicidal lights, HEPA filtration systems, and whole-home humidifiers and dehumidifiers throughout Centereach. Good indoor air quality is especially important for families with allergies or asthma.
Our Services
Nearby Service Areas
Get in Touch
Serving Centereach and all of Suffolk County. Same-day and emergency service available.
631-331-2102Serving Centereach & surrounding areas
Need HVAC Service in Centereach?
Same-day and emergency service available. Licensed, insured, and trusted by Centereach homeowners since 2019.