Air Conditioning Repair

Fast, Reliable AC Repair in Connecticut

When the summer heat hits, the last thing you need is a broken air conditioner. At A&S Nathan Heating & Cooling LLC LLC, we provide efficient, dependable air conditioning repair services to keep your home cool and comfortable. Our experienced licensed technicians service all major AC brands and systems, from central air units to ductless mini-splits.

Why Choose Us for AC Repair?

  • 24/7 Emergency Service – We’re here when you need us most.

  • Licensed & Insured Technicians – Skilled in repairing all types of air conditioning systems.

  • Upfront, Honest Pricing – No surprises—just straightforward service.

  • Locally Trusted Experts – Serving families across Fairfield, New Haven, and surrounding towns.

  • Financing Available – Flexible payment options through Synchrony.

Common Air Conditioning Problems We Fix

  • AC blowing warm or weak air

  • System won’t turn on

  • Strange noises or unusual odors

  • Frozen coils or leaking water

  • Inconsistent cooling or hot spots

  • Rising energy bills due to inefficiency

Our Service Areas

We provide air conditioning repair across Connecticut, including:
Fairfield • Stratford • Trumbull • Milford • Shelton • Monroe • Newtown • Ansonia • Derby • Seymour • Orange • Beacon Falls • Bethany • Oxford—and more.

Stay Cool – Schedule AC Repair Today

Don’t suffer through the heat—call (203) 555-1234 or click Book Appointment to schedule fast, professional AC repair with A&S Nathan Heating & Cooling LLC.

Book An Appointment
5-star rating
Great installation and service experience.
— Shannon Bowley
5-star rating
A&S Nathan is a small local company that provides great service for all your HVAC needs. They are professional, responsive, they don’t cut corners, but most of all are a pleasure
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— carl iacomacci
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
Techs came out to diagnose my oil furnace,Dave M and David S were very patient and explained everything, and corrected all the things that were left from the previous owner, then someon
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— salt peanuts
5-star rating
Dan from A&S Nathan did an excellent job with the tune up and cleaning of our heating unit. Dan was on time, nice and professional and went above and beyond to make sure the unit wa
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— Mariana Reis
5-star rating
The AC stopped working on the hottest day of the year at my business. I figured I would never find anyone to come out same day. I spoke with Allen and had them come out within 2 hours o
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— Lori Weaver
5-star rating
Chose them to replace my 25 year old oil boiler and couldn’t be happier. Worked fast, cleaned up, very responsive and helpful.
— Niall Begley
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
We loved their service from scheduling down to getting the work done. Great prices! Worth the work!! 10/10
— Karina Dejesus
5-star rating
I have been using A and S Nathan heating for a couple years now . Very professional, helpful and on time . Mark came out to my moms at 8:00 on Friday night . Dispatch told me where he w
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— Jeano Carloni
5-star rating
The few times we have had problems with our AC or water heater we have had quick and effective responses with problems usually resolved within 24 hours or less! All workers who have com
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— Dena Skowronski
5-star rating
Very positive experience here, good communication with the office, quick and decent parts and labor estimates. Quick and professional furnace replacement, and all necessary collateral w
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— Nick Ungureanu