AC Installation Long Island
Fast. Reliable. Affordable.
Upgrade your comfort with expert air conditioning installation from McIntosh Plumbing & Heating — proudly serving Long Island, Setauket, Stony Brook, Port Jefferson & nearby towns.
Get a Free AC Installation Quote Today
Whether you’re replacing an outdated system or installing brand-new AC, we make it easy. McIntosh offers:
Central Air Conditioning Installation
Mini Split & Ductless AC Systems
Home AC Replacements
New Construction HVAC Installations
Why Homeowners Choose McIntosh
💪 Experienced HVAC Installers
Licensed, insured, and trained in installing all major brands — including Trane, Mitsubishi, Goodman, Lennox, and Carrier.
⚡ Fast Turnaround Times
We show up when we say we will — and get the job done right the first time.
💸 Transparent, Upfront Pricing
No hidden fees. Ever. We offer clear, competitive pricing with financing available.
🏠 Locally Owned & Operated
We’re your neighbors — a trusted name in Setauket and across Suffolk County for over 30 years.
Our AC Installation Services Include:
Central Air System Installation
Ductless Mini Split Installation
System Replacements & Upgrades
Smart Thermostat Installation
Energy-Efficient Equipment Options
📍 Proudly serving Long Island, Setauket, Port Jefferson, Stony Brook, East Setauket, and nearby towns.
Cool Your Home, The Right Way
Ready to install a new AC system? Get a fast, free quote today.
Call us or fill out the short form below — we’ll get back to you same day.
Frank McIntosh
Serving Our Clients For Over 30+ Years
