Air Conditioning Installation

Professional AC Installation in Connecticut

Looking to upgrade your cooling system or install air conditioning for the first time? At A&S Nathan Heating & Cooling LLC, we specialize in installing central air systems, heat pumps, and ductless mini-splits designed to keep your home cool, efficient, and comfortable—even on the hottest summer days. Our licensed team will help you choose the right solution for your home and budget, then install it with precision.

Why Choose Us for AC Installation?

  • Custom System Sizing – We’ll ensure your AC system is perfectly matched to your home’s needs.

  • Energy-Efficient Options – Lower utility bills with high-efficiency air conditioners and modern technology.

  • Ductless & Heat Pump Solutions – Flexible options for homes with or without ductwork.

  • Trusted Local Experts – Serving Connecticut families with reliable HVAC service.

  • Licensed & Insured – Professional installation backed by years of experience.

  • Financing Available – Affordable payment plans through Synchrony.

Our Air Conditioning Installation Services

  • Central air conditioning systems

  • Heat pump installation

  • Ductless mini-split systems

  • Thermostat upgrades & zoning controls

  • Replacement of outdated AC units

Service Areas

We proudly provide AC installation throughout Connecticut, including:
Fairfield • Stratford • Trumbull • Shelton • Milford • Monroe • Newtown • Ansonia • Derby • Seymour • Orange • Beacon Falls • Bethany • Oxford—and surrounding towns.

Upgrade to a New AC System Today

Don’t wait until your old system breaks down—invest in a new, energy-efficient air conditioner with A&S Nathan Heating & Cooling LLC. Call (203) 555-1234 or click Book Appointment to schedule your free AC installation estimate today.

Book an Appointment
5-star rating
Always a great experience from A&S!!! Heather walked us through our options and Scott arrived the next morning promptly as described . Within one hour, everything was rectified, and
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— Tom Fatone
5-star rating
These guys are great! The person who took the call was helpful, knowledgeable & friendly. Mark & Larry arrived in a very timely manner, they were also very friendly & knowle
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— Jonny
5-star rating
Quick response and very professional service
— Richard Boucher
5-star rating
Very satisfied with installation and service.
— starry night
5-star rating
Craig came to service our furnace and he was excellent. He identified an issue we were not aware of, explained it thoroughly and took care of it. We recently moved into our home and the
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— Ashley Boutagy
5-star rating
This company is fantastic. I had probably the worlds worst central air system installed by previous homeowners and after 6 years of finagling it finally called 3 companies. A&S was
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— Michael Thomas
5-star rating
The representatives were courteous, knowledgeable and explained everything clearly
— Marilyn Stephens
5-star rating
Forget the rest. The service is unbeatable. A/C capacitor went in the middle of a heat wave, but Jake and the crew were out there diagnosing and solving the problem 20min later! The emp
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— Aaron Skowronski
5-star rating
Yesterday, My mothers home had lost heat. I work at Aire Serv and we dont do oil, but we always use A&S nathan for our oil customers so I figured why not call them for me.
— Sara Whiteley
5-star rating
The AC stopped working last night. Called at 8:00 this morning. Someone was here within the hour and fix was done by 9:30. They are by far the best we’ve ever dealt with!
— Susan Lampert
5-star rating
Installed new AC system and the team was professional, accommodating and answered all my questions in detail!
— Nicholas Hatsiandrou
5-star rating
Excellent experience from start to finish. Jake and his team of HVAC technicians are experts at their craft. The installation of our new heating system is a work of art. The guys left t
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— Allen Perille