Water Heater Repair

Get Your Hot Water Flowing Again—Fast

A broken water heater can bring your household to a halt. At A&S Nathan Heating & Cooling LLC, we provide fast, reliable water heater repair services throughout Connecticut. Whether you have a conventional tank model or a modern tankless unit, our licensed technicians have the training and experience to diagnose the problem and get your hot water back quickly.

Common Water Heater Issues We Fix:

  • No hot water or inconsistent water temperature

  • Leaks around the tank or piping

  • Strange noises such as popping or rumbling

  • Rusty or discolored water

  • Pilot light or ignition problems in gas units

  • Electrical issues in electric models

Why Choose Us for Repairs?

  • 24/7 emergency service available

  • Fully licensed and insured technicians

  • Honest recommendations—repair when possible, replace when necessary

  • Experience with all major makes and models

Don’t let water heater issues disrupt your day. Call A&S Nathan Heating & Cooling LLC for prompt, professional repair service and enjoy reliable hot water again.

5-star rating
A&S Nathan Heatinf and Cooling converted us from oil to gas heating! Awesome Company! Clean, neat and professional. I would highly recommend them to anyone! Love this company! Carri
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— Samantha Archibald
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
Can’t say enough about A&S! they have exceptional service and very reasonable prices. Technicians are extremely knowledgeable. Dave is fabulous!
— Valerie Lucas
5-star rating
The A&S team is always helpful and professional. They recently took time out of their already very busy schedule to replace my furnace so my family could have a warm house again. Th
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— Dave Knight
5-star rating
Was having issues with my heating on a Friday afternoon, called A&S and they sent someone over right away to take a look. They had my heat working within 30 min. I recommend them to
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— Peter Vicente
5-star rating
Came out same day for a furnace inspection. Very helpful and knowledgeable!
— Emily Brisch
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
5-star rating
Would give even more than 5 stars. When the boiler kicked it in November we got a couple quotes and then were referred to A&S. They were out on a Sunday to see the system and what n
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— Steve W
5-star rating
This company is definitely one of the best!! Had AC issues made one phone call and they sent help right away!! This gentleman was spot on honest and got the parts and did the job asap!
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— Mike
5-star rating
We have been using A&S Nathan for several years for yearly furnace cleaning and this was our first need of emergency furnace service. On 9/23, I called A&S Nathan at 913am as ou
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— kathy scholz
5-star rating
Great company and great tech’s. They are always on time, professional, and clean. Prices are fair and service and communication are great. No brainer…
— Allied Design Co LLC
5-star rating
A&S made the whole experience of replacing my Furnace and AC seamless. The installers seemed very knowledgeable, efficient and punctual. In this day and age it was good to deal with
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— robert duchnok