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

Avatar for David Drain and Sewer
David Drain and Sewer
4.4(
134
)
Water Heater - Repair or Service

Serving Guilderland, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Emergency services offered

Warranties offered

"David replaced our old water heater with an efficient heater that saved us hundreds of dollars. He was friendly and very respectful as he explained our issue and how he would solve it. Ps. David also removed our old water heater with no problem. He did the entire job in a timely manner."
Recent Work
Recent Work
Recent Work
Recent Work
Recent Work

+10

Response time4 hrs
Response rate99%
Recommended by64%of homeowners
Avatar for H2Go Plumbing
H2Go Plumbing
4.6(
31
)
Water Heater - Repair or Service

Serving Guilderland, NY and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"recently had our water heater replaced and had a great experience from start to finish. The team was professional, knowledgeable, and completed the installation quickly and efficiently. They explained everything clearly, cleaned up after the job, and made the whole process stress-free. The new water heater works perfectly, and we couldn’t be happier with the service. I would definitely recommend them to anyone needing water heater replacement or plumbing work!"
40 neighbors recently requested a quote
Recommended by35%of homeowners
Avatar for Capital Region Plumbing and Heating Services, LLC
Capital Region Plumbing and Heating Services, LLC
4.2(
112
)
Water Heater - Repair or Service

Serving Guilderland, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Excellent Service! I highly recommend the Capitol Region Plumbing and Heating Services LLC! Avi, and Sean came to my home immediately when I needed their help with bathroom plumbing and a water pump system. They were courteous, knowledgeable, and thoroughly evaluated the problems. Their excellent assessment and quality of work were evident as I looked at their pictures of before and after replacements of PVC pipes for main sewer lines, sink and shower drains, and water lines for the toilet. Also, Avi and Sean installed a new well pump and pressure tank system. They even came to my home on a holiday to assure me that I'd have water. As true professionals, Avi, and Sean are efficient, punctual, and reputable. Their work ethic is commendable and gracious manners are exceptional. This was an incredible plumbing service that everyone expects and appreciates!"
Response time4 hrs
Response rate97%
11 neighbors recently requested a quote
Avatar for Robert's Plumbing Service
Robert's Plumbing Service
5.0(
40
)
Water Heater - Repair or Service

Serving Guilderland, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"The faucet and vanity in my bathroom needed to be replaced. Robert did a great job at a great price. I had an issue with my water heater several months later. He installed a tankless water heater and no one else could beat his price. I will call him for any plumbing issues in the future. I Highly recommend him."
Response time6 hrs
Response rate90%
Avatar for Crisafulli Bros. Home Services
Crisafulli Bros. Home Services
4.7(
73
)
Water Heater - Repair or Service

Serving Guilderland, NY and surrounding areas

Approved

In business since 1939

Credit card accepted

Offers commercial services

"Brandon came out this morning to assess the issue. He was very polite and professional. Maximus and Jon were my installers. They were professional, polite and got the job done timely. Great guys!"
Response time9 hrs
Response rate86%
46 neighbors recently requested a quote
Avatar for X-Treme Construction
X-Treme Construction
4.7(
16
)
Water Heater - Repair or Service

Serving Guilderland, NY and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"Excellent work,made sure everything was working fine before leaving.I had diverters with springs in the back of them for a long time.I did not like them as they would break all the time.Cheap plastic.Brass valves and full turn knobs were put in.I love the new set.It is sturdy and will last a long time.Also a tub water stopper and a new over flow was put in along with new plastic pipe under the stopper.The stopper is great.All you have to do is step on it for water to go down or stay up.Very professional attitude.On time to do the work.Cleaned up after the job was done.Will hire for other work in the future."
Additional Photos
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Additional Photos

+7

Recommended by93%of homeowners
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FAQs for water heater repair or service projects in Guilderland, NY

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 Guilderland, NY 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.