Serving Suffolk & Nassau County · Long Island, NY
Hauppauge, Suffolk County
Professional heating and air conditioning repair, installation, and commercial HVAC service for Hauppauge homes and businesses. Same-day service available.
What we offer in Hauppauge
Serving Hauppauge since 2019
A1 Heating & Air Conditioning has been serving Hauppauge 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 Smithtown, Commack, Brentwood, and Central Islip — so wherever you are in the area, we're close by.
Common questions
Yes — Hauppauge is home to many commercial and industrial businesses, and A1 provides full commercial HVAC service including rooftop unit maintenance, commercial boiler service, and new system installation.
Absolutely. We serve both residential and commercial customers throughout Hauppauge. Whether it's a home furnace repair or a commercial AC system, we have the expertise to handle it.
Yes. We install whole-home air purifiers, UV germicidal lights, HEPA filtration systems, and whole-home humidifiers and dehumidifiers. Good indoor air quality is especially important for families with allergies or asthma.
A standard residential HVAC replacement typically takes one day. More complex installations — like adding ductwork or installing a new boiler system — may take two days. We'll give you a clear timeline before we start.
Yes. Our Platinum Membership plan 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 Hauppauge and all of Suffolk County. Same-day and emergency service available.
631-331-2102Serving Hauppauge & surrounding areas
Same-day and emergency service available. Licensed, insured, and trusted by Hauppauge homeowners since 2019.