Serving Suffolk & Nassau County · Long Island, NY
Miller Place, Suffolk County
HVAC Service in Miller Place, NY.
Reliable heating and air conditioning repair, installation, and emergency service for Miller Place homeowners. Licensed, insured, and serving Suffolk County since 2019.
What we offer in Miller Place
Full-Service HVAC for Miller Place Homes & Businesses.
Serving Miller Place since 2019
Your Local Miller Place HVAC Experts
A1 Heating & Air Conditioning has been serving Miller Place 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 Mount Sinai, Rocky Point, Port Jefferson, and Stony Brook — so wherever you are in the area, we're close by.
Common questions
HVAC Questions from Miller Place Homeowners
Do you offer HVAC service in Miller Place, NY?
Yes — A1 Heating & Air Conditioning serves Miller Place and surrounding communities including Mount Sinai, Rocky Point, Port Jefferson, and Stony Brook. Call 631-331-2102 to schedule service.
Can you repair my furnace in Miller Place?
Absolutely. We repair and replace gas furnaces, oil furnaces, and boilers throughout Miller Place. We offer same-day and emergency heating service — call 631-331-2102 any time.
Do you install central air conditioning in Miller Place?
Yes. We install central AC systems and ductless mini-splits throughout Miller Place. We'll assess your home and recommend the most efficient and cost-effective cooling solution.
How quickly can you respond to an HVAC emergency in Miller Place?
We offer 24/7 emergency HVAC service and aim to respond to Miller Place calls as quickly as possible. Don't wait if your heat or AC has stopped working — call 631-331-2102 right away.
Do you offer HVAC maintenance plans in Miller Place?
Yes. Our Platinum Membership includes annual heating and cooling tune-ups, priority scheduling, and discounts on repairs. It's the best way to keep your system running efficiently year-round.
Our Services
Nearby Service Areas
Get in Touch
Serving Miller Place and all of Suffolk County. Same-day and emergency service available.
631-331-2102Serving Miller Place & surrounding areas
Need HVAC Service in Miller Place?
Same-day and emergency service available. Licensed, insured, and trusted by Miller Place homeowners since 2019.