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Top-Rated Water heater repair or service pros in West-mystic - Updated Nov 2026

Befitting Plumbing & Heating LLC
5.0(
3
)
Water Heater - Repair or Service

Serving West-mystic, CT and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Had a client in a multi family situation who needed a tremendous amount of existing cast iron replaced in one day. Matthew was hired to remove and replace with new pvc. Got it done in a timely manner so residents would not be down all day and could turn the water back on quickly.Would highly recommended to anyone with all plumbing repairs."
Response time2 days
Recommended by66%of homeowners
Avatar for Campbell Plumbing & Heating
Campbell Plumbing & Heating
4.9(
15
)
Water Heater - Repair or Service

Serving West-mystic, CT and surrounding areas

In business since 1997

Free estimates

Emergency services offered

"Needed failed hot water heater replaced. Campbell installed a new replacement the next day after being called. Two installers plus the business owner showed up on time and quickly made the swap. Will definitely use again for plumbing need."
Streamline  replacement
Steam line replacement
Response time11 hrs
12 neighbors recently requested a quote
Recommended by53%of homeowners
Cawley Plumbing & Heating
5.0(
6
)
Water Heater - Repair or Service

Serving West-mystic, CT and surrounding areas

In business since 1989

Free estimates

Credit card accepted

"I called and asked for an estimate to convert my DHW from the oil boiler tankless coil to a 50 gallon A.O. Smith Hybrid water heater. The owner gave me an estimate same day and was able to do the installation later in the week after calling him last minute. Him and his crew were on time, very quick, extremely OCD on pipe placement and appearance of their work, and tested everything before they left. I made things difficult on them with the short timeframe and having the electrician here at the same time but they didn t complain and worked great with the electricians to get the project done for us. I had 8 different companies give me estimates and hands down they were best pricing, most honest, and friendliest company I worked with!"
Response time6 hrs
Recommended by100%of homeowners
Avatar for NEW ENGLAND SMART ENERGY
NEW ENGLAND SMART ENERGY
4.9(
13
)
Water Heater - Repair or Service

Serving West-mystic, CT and surrounding areas

In business since 2009

Emergency services offered

"The service was great. They gave a lot of really helpful suggestions. They replaced our bulbs with low energy bulbs. They put in weather stripping in areas needed as well. They were great to work with. They gave a detailed report on how to lower our energy usage."
Additional Photos
Additional Photos
Additional Photos
NESEG Certified Techs
Blower Door Test

+38

Recommended by91%of homeowners
Avatar for Tomaszek & Sons Plumbing Heating and Pumps, LLC
Tomaszek & Sons Plumbing Heating and Pumps, LLC
5.0(
4
)
Water Heater - Repair or Service

Serving West-mystic, CT and surrounding areas

In business since 1969

Free estimates

Small jobs welcome

"We are very happy with all the services we have had done over the years. The only company we will use & recommend. The quality of work & the timely scheduling has impressed us very much & thankful!"
Before
After
Response time2 days
Recommended by100%of homeowners
Showing 1-10 of 17
FAQs for water heater repair or service projects in West-mystic, CT

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The West-mystic, CT homeowners’ guide to water heater repair or services

From average costs to expert advice, get all the answers you need to get your job done.