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

Avatar for Pompa Plumbing Group LLC
Pompa Plumbing Group LLC
5.0(
13
)
Water Heater - Repair or Service

Serving Dover, FL and surrounding areas

Approved

In business since 2019

Emergency services offered

Credit card accepted

We Are Water Heater Installation, Repairs, & Maintenance Pros Serving All Of Florida \nPompa plumbing specializes in water heater repair and water heater replace. We are Rheem, Rinnai, and AO Smith certified technicians, but we service all water heater manufacturers. \n \nPompa Plumbing provides fast, reliable water heater replacement and water heater repair in all areas of Florida. \n \nWe offer Senior & Military Discounts Warranties and other Competitive Prices.

Rinnai Tankless
Rinnai Tankless
Rinnai Tankless
Commercial Plumbing
Tankless Heaters

+10

16 neighbors recently requested a quote
Avatar for Elite Trade Services LLC
Elite Trade Services LLC
4.3(
325
)
Water Heater - Repair or Service

Serving Dover, FL and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

Elite Trade Services, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n

Bathroom remodel
Bathroom remodel
Bathroom remodel
Bathroom remodel
Bathroom remodel

+8

20 neighbors recently requested a quote
Recommended by90%of homeowners
Robbie's Plumbing Service, Inc.
3.9(
526
)
Water Heater - Repair or Service

Serving Dover, FL and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"A very professional tech installed my new water heater. He explained to me all his steps he was taking to change out my water heater. Job completed to my satisfaction. I greatly recommend Robbies Plumbing to be YOUR plumber to call for your needs. Customer service from first contact to the completed job was outstanding."
Response time7 hrs
14 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Isotope Service Co. LLC
Isotope Service Co. LLC
5.0(
14
)
Water Heater - Repair or Service

Serving Dover, FL and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Blake was professional and knowledgeable from the beginning, he explained about the tankless water heater and the two units to choose from. The was installed the following day, my wife and I are very pleased with the results."
Filtration System
Filtration System
Water Heater
Repipe Whole Home
Repipe Whole Home

+91

61 neighbors recently requested a quote
Avatar for Cass Plumbing, Inc.
Cass Plumbing, Inc.
4.3(
2,490
)
Water Heater - Repair or Service

Serving Dover, FL and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"Prompt and friendly service. Replaced and installed a completely new water heater within a few hours. Did a little research on replacing a water heater prior to Louis coming and I felt the price was fair."
Replacing old pump system
Backflow Device Protection
More pumps to remove
Backflow Device Protection
Steve loves high places..

+19

Response time30 mins
930 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Vanguard Plumbing
Vanguard Plumbing
5.0(
33
)
Water Heater - Repair or Service

Serving Dover, FL and surrounding areas

Approved

In business since 2022

Emergency services offered

Warranties offered

"Very knowledgeable about our solar water heater and what it needed to stop making noises and keep the hot water consistent. He was on time, communicating regularly, and very thorough. Highly recommend!"
Kitchen sink installation
Garbage disposal and tubular components
Electric Tankless Installation
Water heater piping
Main shut off valve leaking

+7

Response time50 mins
Response rate95%
2 neighbors recently requested a quote
Avatar for Three Guys Master Tradesmen
Three Guys Master Tradesmen
4.8(
23
)
Water Heater - Repair or Service

Serving Dover, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"I couldn?t be happier with my experience with Three Guys AC! They recently repaired my heat pump, and the whole process was smooth, professional, and stress-free. The technician was extremely knowledgeable, showed up on time, and took the time to explain everything to me clearly. My system is running perfectly now, and the quality of their work really shows. It?s rare to find a company that combines honesty, skill, and great customer service the way they do. I?ll definitely be using Three Guys AC for all my future HVAC needs ? highly recommend!"
Air Handler
Ruud Heat Pump
LG 5 Ton Heat Pump
LG 4 Ton Heat Pump
LG 4 Ton Air Handler

+6

48 neighbors recently requested a quote
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FAQs for water heater repair or service projects in Dover, FL

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 Dover, FL 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.