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
Can’t say enough positive things about this company. From the initial phone inquiries to the install, they were professional and courteous. Installers explained everything they ha
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— Beverly Smith
5-star rating
Called A&S b/c furnace had been running rough for months. Scott & Robert were extremely easy to work with, professional, & very polite. Scott was very knowledgeable and to
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— Charles Ramik
5-star rating
The A&S Nathan team showed up this morning bright and early at 7 am to install and replace my oil boiler. This was a big job and there were four guys dedicated to completing it toda
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— Kathryn Lynch
5-star rating
Great installation and service experience.
— Shannon Bowley
5-star rating
In this day and age, it can be challenging to find a company that is responsive, reliable, competitive in pricing, and does OUTSTANDING work. A&S Nathan LLC is simply the best in th
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— Ryan Burke
5-star rating
Love them!
— Margaret Gough
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
I very rarely write a review for a company but this is my SECOND review for A&S NATHAN… From the office people to the techs themselves, there is always a feeling of family and pro
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— Martin Goldschmidt
5-star rating
Craig came to service our furnace and he was excellent. He identified an issue we were not aware of, explained it thoroughly and took care of it. We recently moved into our home and the
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— Ashley Boutagy
5-star rating
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
5-star rating
Very timely response. Luke was thorough and very personable. Will definitely use again.
— Elizabeth Ferrari
5-star rating
These guys absolutely Rock!! They installed a new Weil-McClain boiler today, to replace my 30 year old unit. Workmanship was superb! They were clean, professional and indeed craftsman.
— Jason Dokla