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

Avatar for Delaware Plumbing Professionals
Delaware Plumbing Professionals
4.6(
641
)
Water Heater - Repair or Service

Serving Nassau, DE and surrounding areas

Approved (Corporate)

In business since 2014

Emergency services offered

Warranties offered

"Work was competed with no major issues. Only issues I have is that they were not ready for leaking water, had no buckets or rags to catch water from pipes. They also left black marks without cleaning it."
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Water Heater Special
Response time1 day
Response rate100%
13 neighbors recently requested a quote
Avatar for Seaside Plumbing, Inc.
Seaside Plumbing, Inc.
4.6(
18
)
Water Heater - Repair or Service

Serving Nassau, DE and surrounding areas

Approved

In business since 2003

Emergency services offered

Warranties offered

Plumbing & gas contractor. Seaside Plumbing Inc. has been providing high quality plumbing and gas contractor services in Delaware and Maryland at fair prices since 2003. We don’t care about being the biggest plumbing & gas company, but we do want to be the best and we constantly strive to educate ourselves and our employees. High quality work along with family like customer service has always been, and continues to be our primary focus. We understand that you have many options when choosing a plumbing contractor. To our customers, new and old, we express our heartfelt gratitude – without you, we would not be able to achieve our goals. You have generously helped grow our business through word of mouth referrals and for this we are eternally grateful. To our prospective customers, we appreciate the fact that you are considering us and we are thankful for every opportunity that comes our way. Cost is determine by the job.

Before
After
Venting
Master Bath
Master Bath Vanities

+6

Response time4 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Air Temp Solutions
Air Temp Solutions
4.7(
59
)
Water Heater - Repair or Service

Serving Nassau, DE and surrounding areas

In business since 2011

Emergency services offered

Credit card accepted

"The servicemen were knowledgeable and professional and did an excellent job with removal of the old water heater, picking up the new water heater and expansion tank at Home Depot and installing it promptly."
Recommended by91%of homeowners
Avatar for JM Stephens Plumbing & Heating
JM Stephens Plumbing & Heating
4.9(
118
)
Water Heater - Repair or Service

Serving Nassau, DE and surrounding areas

In business since 1991

Free estimates

Emergency services offered

"Mr Stephens hauled away my old leaky water heater and installed a new one.He provided prompt ,professional service and at a very reasonable price.This is the second time that he has done work for me.I would highly recommend him and I would use him again for any future plumbing needs."
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Recommended by99%of homeowners
Avatar for Aqua Plumbing Solutions
Aqua Plumbing Solutions
5.0(
7
)
Water Heater - Repair or Service

Serving Nassau, DE and surrounding areas

In business since 1994

Free estimates

Credit card accepted

Know About Why We Are Best In Plumbing !\nHey everyone! I’m thrilled to introduce Aqua Plumbing Solutions. My passion lies in providing tailored solutions to both friends and customers to enhance their water quality and overall health. With 26 years of experience in water treatment and plumbing, l’ve discovered that people often have genuine concerns about the quality of the water they’re getting, whether it’s from a public source or a well.\n\nAs a dedicated professional, my mission is to empower customers with all the information they need to make informed decisions. I handle everything from installations to repairs, ensuring your home’s plumbing needs are in expert hands.

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+19

Recommended by85%of homeowners
Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,678
)
Water Heater - Repair or Service

Serving Nassau, DE and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"The Choice warranty Co is a lifesaver, great fast and reliable service, we had a water heater and a washing machine malfunction in a two month interval and we were approved for repairs in both instances within 36 hours and scheduled for repairs within one day later"
Recommended by81%of homeowners
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FAQs for water heater repair or service projects in Nassau, DE

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 Nassau, DE 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.