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?
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Custom System Sizing – We’ll ensure your AC system is perfectly matched to your home’s needs.
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Energy-Efficient Options – Lower utility bills with high-efficiency air conditioners and modern technology.
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Ductless & Heat Pump Solutions – Flexible options for homes with or without ductwork. Mitsubishi Preferred Diamond Contractor.
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Trusted Local Experts – Serving Connecticut families with reliable HVAC service for over 25 years.
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Licensed & Insured – Professional installation backed by over 25 years of experience.
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Financing Available – Affordable payment plans through companies such as Synchrony and Energize CT’s Smart-E loan.
Our Air Conditioning Installation Services
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Central air conditioning systems
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Heat pump installation
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Ductless mini-split systems
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Thermostat upgrades & zoning controls
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Replacement of outdated AC units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.
The tech that came to my house Was Mark very professional very respectful he can come to my home to service my unit anytime thank you Mark— John Zofcak
I have had A&S Nathan Heating & Cooling LLC come out 2x this year. Once for my A/C unit in July & today for my heating unit. The level of professionalism & knowledge i— Jo O
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Had a water pipe bust and came home to a waterfall in my basement. A friend recommended A&S after I couldn’t find anyone that could come out on a Saturday to help.— Krista Zullo
This is a long review, but I wanted to highlight a few people and provide examples of why I gave A&S five stars. If you want the summary, skip to the last paragraph. Two days before— Patt Miller
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I had my first experience with A&S Nathan HVAC on April 29, 2025. Making the appointment was a breeze. Received cordial service over the phone. On the day of the service (tune-up an— Daria Anderson
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What a relief to have a company you can call with confidence. When our A/C stopped working on a Saturday (during the recent heat wave, of course) A&S Nathan was there on Sunday. Alt— Robert Seirup
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Absolutely stellar work and great customer service highly recommended— Dan
The guys at A&S Nathan are always Great! They show up on time and complete the job. I have used them for both a new furnace and a new A/C system. Great company!— Michael
If oil furnace abuse was a crime, I’d be writing this from Sing Sing. I’ve neglected my Weil oil furnace for a few years and it finally had enough of my abuse.— Walt Bradley
A&S has been servicing my oil burner and gas furnace for 5 years. The technicians are knowledgable and efficient, and the rates seem reasonable. We stay warm all winter, thanks to t— Kelly Hanna
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Had both ac units replaced and the guys did a great job and were extremely clean .— Tony Ministro
Mark came out and gave me a thorough explanation of my system and how it works. He also explained benefits of having certain contracts. Heather, & Barbara who I have all dealt with— Tony
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