Reliable Hot Water for Your Home

Conventional water heaters are the most common choice for Connecticut homeowners, offering dependable hot water storage in a tank. At A&S Nathan Heating & Cooling LLC, we install and service high-efficiency tank models that are designed to provide years of reliable performance while keeping your energy bills in check.

Benefits of Conventional Water Heaters:

Lower upfront cost compared to tankless units
Proven, reliable technology
Can deliver hot water to multiple fixtures at the same time
Available in a variety of tank sizes to match your household needs

Whether you’re replacing an aging water heater or installing a new system, our licensed technicians will help you select the right size and model for your home and budget.

I have been a customer of A&S Nathan for several years. Scott always does a great job with my annual oil furnace tune up. Scott always goes above and beyond and patiently answers al
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— Alessandro Lopes

Mark came out and was professional, friendly, and helped out in a timely manner with a very reasonable price. Couldn’t ask for more! Highly recommend

— Steve Pronechen

Fast Friendly Service and the On-Line Appointment booking option was fast and easy. Made it so easy to pick a day and time. Service Tech showed up right on time and did a great job fast
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— Lynn Sansone

Excellent Job! Good service! Courteous workers!

— Burton Fine

Great service, fast response, very proffesional service people

— Harold Foodman

Had Mark at my house for service. Up and running better than ever.

— Kevin Mosman

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

11/6/25 – Today Mark & Sean came for Maintenance of our Navien NCB 240E Combi Boiler. They were Scheduled for a 10 to 12 window and came right at 10am … They worked effi
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— Gil Fevrier

A and S Nathan has very experienced service technicians, who take the time to answer customer questions and concerns. This business is very honest in their determination of what work ne
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— Cheryl Morgan

A big shout out to the ladies in the office that have been super responsive and so polite! Great people to work with.

— Jaime Boucher

I had Mark from A&S Nathan come to my home for a repair. I can not say enough great things about his service. He was super friendly and knowledgeable making me feel comfortable.

— Michael Eaton