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. Mitsubishi Preferred Diamond Contractor.

  • Trusted Local Experts – Serving Connecticut families with reliable HVAC service for over 25 years.

  • Licensed & Insured – Professional installation backed by over 25 years of experience.

  • Financing Available – Affordable payment plans through companies such as Synchrony and Energize CT’s Smart-E loan.

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  • Replacement of outdated AC units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
Quick response and spot on with repairs and all very resonable!!!
— Dianne Camella
5-star rating
Look no further – if you’re trying to find the company to use, this is it. Could not have been a better experience. I reached out for help with my furnace situation and sett
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— Jeffrey Byron
5-star rating
Technicians were great. Really focused on preventative maintenance. Tested airflow temperature differential, belts, checked water chases to ensure no clogs were forming. Great job. 40 m
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— Larry Zollo
5-star rating
Couldn’t have asked for a smoother service for a new furnace install.
— Sharyn Scully
5-star rating
A&S Nathan Heating just serviced my oldie but goodie boiler – tuning her up for the winter. Ricardo was pleasant, knowledgeable and efficient. This is my 5th year with A&S
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— Judy
5-star rating
Very friendly and great job. They do.
— Odell Short
5-star rating
Contacted Jake at A&S on a Wednesday that I needed my hot water heater to be cleaned and they told me with the holidays they were 4-6 weeks out.
— Mikey DeLeon
5-star rating
Very professional and reliable.
— Richard Cottrell
5-star rating
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
5-star rating
To anyone that this may concern: I seldomly take the time to write a testimonial. However this company deserves my accolades for their exceptional service. Within the past two weeks I s
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— Robert Caetano
5-star rating
Thumbs up to A&S Heating. Dave, the technician found some issues that were done improperly and accurately corrected the problems. Left everything clean. Very professional and will d
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— C J
5-star rating
What a great company to do business with. Right from the first call to the techs doing the work. Mark, a tech also known as MD 20/20, is the man when it comes to hot air…(cold too
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— Michael Majewski