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TRUSTED BY GILBERT, AZ HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon265
    Verified water heater services reviews

Top-Rated Water heater pros in Gilbert - Updated Nov 2026

Avatar for Water Heater Proz LLC
Water Heater Proz LLC
5.0(
20
)
Water Heater - Install or Replace

Serving Gilbert, AZ and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Jeremy was very responsive and informative. I had a couple of other quotes that involved various iterations of "replace the old water heater and add these other features at the same time", and we were able to talk through the suggestions and determine what was really necessary. The final quote was very competitive, the new water heater is working great, and the installation itself was fast and without any problems that they couldn't solve without me!"
Rheem Warranty
Tight Spaces
Code approved
Water Heater Proz
Bradford White

+23

Avatar for Cobra Rooter & Plumbing Service
Cobra Rooter & Plumbing Service
4.8(
314
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Gilbert, AZ and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"Such great service!! My water heater went out in my rental property and they were able to hop on the phone with me right away and offer me a quote. Within the next 2 hours someone was at the property - they removed the old water heater and installed a brand new one and were on there way. Cobra Rooter & Plumbing was professional and quick! Will use again in the future."
Recommended by93%of homeowners
Avatar for Total Plumbing & Drain LLC
Total Plumbing & Drain LLC
5.0(
12
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Gilbert, AZ and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

Total Plumbing & Drain LLC is a trusted local plumbing company providing reliable, high-quality service for residential and commercial customers. We specialize in water heater installation (including tankless systems), drain cleaning, water filtration, leak detection, and full plumbing repairs.\n\nOur team is committed to honest pricing, clear communication, and expert workmanship. We take the time to educate our customers and provide in-person estimates to ensure the job is done right the first time.\n\nServing the Arizona Valley, we’re here when you need dependable plumbing you can trust.

Tankless WH
Kitchen Upgrade
Kitchen Upgrade
Shower Valve Install
Water Softner

+10

3 neighbors recently requested a quote
Avatar for Rite Way Heating, Cooling, & Plumbing, LLC
Rite Way Heating, Cooling, & Plumbing, LLC
4.3(
246
)
Tankless Water Heater - InstallTankless Water Heater - RepairTankless Water Heater - Repair - For Business+4 more

Serving Gilbert, AZ and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I was just getting estimates over the phone on several different projects. I think I spoke to Shawn. He was kind enough to take a few minutes to explain tankless water heaters to me as well as a ballpark cost. Which was exactly what I asked for and all I needed to plan my proactive project list/budget. Thanks"
HVAC Maintenance, Repair, & Install
Air Quality Experts
 Toto Toilets and Others Available
 Faucets
 Bathroom Remodel

+24

Response time4 hrs
Recommended by91%of homeowners
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Water Heaters FAQs, answered by experts

The right way to vent a gas water heater is to have a pipe directly upward or slopes upward out of the house. Because hot air naturally rises, this type of venting will efficiently ensure that all gas moves out of the house. Your system may rely on fans or blowers as well.

A well-maintained hot water recirculating pump can last 5 to 15 years. Pumps that run continuously may have a shorter lifespan than demand-controlled models. Hard water can reduce longevity by causing mineral buildup in the pump and pipes. Regular maintenance, such as cleaning or replacing filters, can extend the pump’s lifespan.

No. Expansion tanks must be installed on the supply side (where heated water flows out) of the boiler. There’s also a list of other requirements for most boilers, including being above the pressure relief valves, being on the inner side of any circulator, and more. Your installation manual should have more information on expansion tank installation requirements and what sort of tank the system is made for.

Depending on the brand of water heater, you may need to install an expansion tank in order to meet the conditions for warranty coverage. It’s important for consumers to read the fine print of the warranty to see if an expansion tank is necessary. Even if an expansion tank isn’t required for the warranty, it’s usually mandated by building codes—although not for tankless water heaters.

Unusual noises, lack of hot water supply, efficiency loss, and visible leaks are signs of necessary replacement beyond mere repair.

The Gilbert, AZ homeowners’ guide to water heater services

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