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
I set up an appointment with Debbie, who was very kind and had two excellent techs out to the house. They repaired and performed maintenance work on my A/C in a professional and timely
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— Ethan
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
5-star rating
Great team, the boiler installation went very smooth with very little interruption of heating to the house. the mechanics were very professional and organized. communicated every aspect
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— Javier Ramirez-Brito
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
Quick response and very professional service
— Richard Boucher
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
A&S Nathan Heating & Cooling LLC provided service for my A/C system. Mark my service tech was professional and knows his stuff, he got my A/C working efficiently for the hot sum
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— Seamarre Swaby
5-star rating
The representatives were courteous, knowledgeable and explained everything clearly
— Marilyn Stephens
5-star rating
A & S Nathan has repaired and maintained my furnace for several years now and I’m VERY happy with their service, honesty and reliability. They are easy to communicate with and
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— catherine rose
5-star rating
Paul & Wes did a great job! I could see that they had a plan in place and they working accordingly. The water heater selection was a great choice; and one the company stands behind
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— Stephanie Fians
5-star rating
Amazing fast SAME DAY SWRVICE ! ????? Thank you so much Dave ! Will absolutely recommend !
— Irene Camara
5-star rating
The AC stopped working last night. Called at 8:00 this morning. Someone was here within the hour and fix was done by 9:30. They are by far the best we’ve ever dealt with!
— Susan Lampert