Serving Suffolk & Nassau County · Long Island, NY
Holtsville, Suffolk County
HVAC Service in Holtsville, NY.
Reliable heating and air conditioning repair, installation, and emergency service for Holtsville homeowners. Same-day service available throughout central Suffolk County.
What we offer in Holtsville
Full-Service HVAC for Holtsville Homes & Businesses.
Serving Holtsville since 2019
Your Local Holtsville HVAC Experts
A1 Heating & Air Conditioning has been serving Holtsville 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 Holbrook, Medford, Farmingville, and Selden — so wherever you are in the area, we're close by.
Common questions
HVAC Questions from Holtsville Homeowners
Do you provide HVAC service in Holtsville, NY?
Yes — A1 Heating & Air Conditioning serves Holtsville and surrounding communities including Holbrook, Medford, Farmingville, and Selden. Call 631-331-2102 to schedule service.
Do you offer same-day AC repair in Holtsville?
Yes. We offer same-day AC repair throughout Holtsville and central Suffolk County. Call 631-331-2102 and we'll do our best to dispatch a technician the same day.
What heating services do you provide in Holtsville?
We provide full heating services in Holtsville including furnace repair and replacement, boiler service, heat pump installation, and 24/7 emergency heating repair. We service all major brands.
Do you install tankless water heaters in Holtsville?
Yes. We install tankless (on-demand) and traditional tank water heaters throughout Holtsville. Tankless systems are increasingly popular for their energy efficiency and endless hot water supply.
How do I schedule HVAC service in Holtsville?
Call us at 631-331-2102 or use our online contact form. We offer flexible scheduling including same-day and emergency appointments throughout Holtsville and Suffolk County.
Our Services
Nearby Service Areas
Get in Touch
Serving Holtsville and all of Suffolk County. Same-day and emergency service available.
631-331-2102Serving Holtsville & surrounding areas
Need HVAC Service in Holtsville?
Same-day and emergency service available. Licensed, insured, and trusted by Holtsville homeowners since 2019.