🚨 24/7 Emergency HVAC Service — Nassau & Suffolk County — Call Now: 516-643-4486
Home › Port Jefferson › AC Installation
🕐 24/7 Emergency Service Available

AC Installation & Replacement in Port Jefferson, NY

Licensed & insured HVAC technicians serving Port Jefferson and all of Suffolk County. Same-day service available.

📞 Call 516-643-4486
✅ Licensed & Insured ⚡ Same-Day Service 🕐 24/7 Emergency 📍 Nassau & Suffolk County ☎️ 516-643-4486
Port Jefferson, Suffolk County — ZIP 11777  |  Serving Port Jefferson and nearby: Setauket, Mount Sinai, Stony Brook

AC Installation in Port Jefferson, NY

Need a new air conditioning system? We install all major AC brands with manufacturer warranties. Serving ZIP code 11777 and all surrounding Suffolk County communities.

When you need reliable ac installation in Port Jefferson, call Long Island Climate at 516-643-4486. Our certified technicians are available same-day and for 24/7 emergencies throughout Suffolk County.

📍 Serving Port Jefferson, NY 11777
✅ Licensed & Insured  |  ⚡ Same-Day Service  |  🕐 24/7 Emergency  |  📞 516-643-4486

Why Choose Long Island Climate in Port Jefferson?

Frequently Asked Questions

AC Installation in Port Jefferson, NY

How much does AC installation cost?
Central AC installation in Port Jefferson ranges from $3,500–$8,000 depending on unit size and any ductwork needed. We provide free in-home estimates.
What size AC do I need?
AC sizing depends on your home's square footage, insulation, and layout. Our techs perform a load calculation to recommend the right size for your Port Jefferson home.
How long does AC installation take?
Most AC installations in Port Jefferson take 4–8 hours. We complete the job in one day and leave your home clean.
What brands do you install?
We install Carrier, Trane, Lennox, Rheem, Goodman, York and other leading brands. We recommend the best option for your budget and home.

Request Service

Or call us directly: 516-643-4486

✅ Thank you! We'll call you within 15 minutes.