Air Conditioning Replacement

Reliable AC Replacement in Connecticut

If your air conditioner can’t keep up with the summer heat, it may be time for a replacement. At A&S Nathan Heating & Cooling LLC, we specialize in replacing old or inefficient air conditioning systems with modern, energy-efficient solutions that keep your home cool and comfortable. From central air units to ductless mini-splits and heat pumps, our licensed technicians will help you upgrade with confidence.

Signs You Need AC Replacement

  • Your AC is 10–15+ years old and breaking down frequently

  • Rising energy bills despite regular maintenance

  • System struggles to keep your home cool or runs constantly

  • Frequent repairs costing more than the system is worth

  • Outdated equipment with poor efficiency ratings

Why Choose Us for AC Replacement?

  • Expert Guidance – We’ll help you select the best cooling system for your home and budget.

  • High-Efficiency Options – Upgrade to a system that saves energy and lowers monthly costs.

  • Ductless & Heat Pump Solutions – Flexible choices for all home types.

  • Licensed & Insured Technicians – Professional service you can trust.

  • Financing Available – Flexible payment options through Synchrony.

Systems We Replace

  • Central air conditioning units

  • Heat pumps

  • Ductless mini-splits

  • Thermostats & zoning systems

Service Areas

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

Replace Your AC System with Confidence

Don’t wait for a total breakdown—plan ahead and stay cool with a professional AC replacement from A&S Nathan Heating & Cooling LLC. Call (203) 555-1234 or click Book Appointment to schedule your free estimate today.

Book an Appointment
5-star rating
Of course A/C always breaks on the hottest most humid day of the summer. I have not previously been a customer and called based on the recommendation of a friend. I left a request on th
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— John S
5-star rating
Every time I have had a furnace or hot water issue in my house, for the last 10 years the team at A&S Nathan has been so quick to resolve it, with professionalism, attention to clea
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— Elizabeth Lee
5-star rating
Kyle was fantastic! So personable and quickly helped resolve our AC issue on a very hot day! He is such a credit to your business.
— Kate Dillon
5-star rating
Al Nathan went above and beyond to diagnose a problem with my duct work and a vent that was not working. He and his crew were professional and completed the work promptly and efficientl
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— Ony Sierra
5-star rating
The only company I will call. Great technicians (thanks Mark)!They’ve provided honest quotes and don’t waste time.
— Adam
5-star rating
I had annual service done on my HVAC systems today. The guys did a great job! They arrived on time and were very friendly and professional. They explained everything to me and gave me m
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— Chris Blaszczynski
5-star rating
Working with the company A&S Nathan was a wonderful experience. They came to do an assessment as planned and were timely in completing the installation on the date we had agreed. Th
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— Margaret Acampora
5-star rating
Amazing customer service that goes above and beyond year over year! We are a longtime customer and A&S has always exceeded our expectations!
— Dawn Coppola
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
“Wow wow wow! What a fantastic company.
— Martin Goldschmidt
5-star rating
Fast service. Called on a dead furnace and new furnace installed SAME DAY!
— George Habrecht
5-star rating
Scott from A&S Nathan is my go to for issues with my home and local business. He is always quick to respond and provides top notch work. I trust A&S Nathan and recommend them fo
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— Michael Schmitt