Water Heater Replacement in Scottsdale & Phoenix, AZ

Water Heater Replacement Services in Scottsdale and Phoenix, AZ

At Allegiance Water Services, we understand how important it is to your comfort and safety to have reliable, clean hot water in your home. A problem with your home’s hot water heater can be inconvenient and uncomfortable, which is why we work hard to locate the problem and repair it as quickly as possible. We offer professional inspection and replacement of gas, electric, storage tank, and tankless water heaters from all brands and manufacturers. If you don’t have hot water, your hot water is rusty or dirty, or your water heater is leaking, call us now to make an appointment for water heater replacement in Scottsdale or Phoenix, AZ, or the surrounding areas. 

Signs You Need Hot Water Heater Replacement

Over time, your hot water heater will experience wear and tear that will affect its performance, efficiency, and lifespan. Most heaters only last between 10-20 years before they need to be replaced. The most obvious sign that you have a problem is a lack of hot water. However, there are usually other warning signs that your water heater is getting old, is less efficient, or isn’t providing enough hot water for your household’s needs. Upgrading to a newer and more efficient heater can make you and your family more comfortable and even lower your water heating costs. Call us now if you notice any of these signs:

  • Your hot water is rusty, dirty, cloudy, or full of sediment
  • The hot water smells strange
  • You don’t get enough hot water for your household’s needs
  • The water fluctuates between hot and cold or lukewarm and cold
  • It takes a long time for water to heat up
  • Your water heater is leaking, or you see a puddle of water near the base
  • The hot water faucets have low water pressure
  • Your water heater is making strange new noises like rattling, banging, or dripping
  • The pilot light won’t light, won’t stay lit, or is orange, yellow, or red
  • Your water heater is over 10 years old
  • You are paying for frequent repairs
  • Your water heating bills are increasing
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Choosing the Right Type of Hot Water Heater

We are not limited to replacing conventional storage tank water heaters. We also can upgrade your system to a tankless water heater or hybrid electric water heater. Our friendly, knowledgeable plumbing technicians are happy to answer your questions and help you determine which type of water heater is right for your home:

  • Gas Water Heater Replacement – Natural gas water heaters use natural gas to heat water. If you don’t already have gas service to your home, you will need to schedule an inspection and hire a plumber to install gas lines, then sign up for gas service from your local utility company. If you already have a gas hot water heater, you may still need an inspection from your local gas company after replacing it.
  • Electric Hot Water Heater Replacement – Electric water heaters use electricity to heat water. They are ideal for homes that don’t have gas hook-ups or in areas where electricity is less expensive than natural gas.
  • Storage Tank Water Heater Replacement – A storage tank water heater is the most common type of home water heater. It has a large insulated tank, typically between 30-80 gallons, in which water is heated and stored until you turn on a hot water faucet. They are available in natural gas, propane, and electric models.
  • Tankless Water Heater Replacement – A tankless water heater, also called an on-demand water heater, does not store hot water in a tank. Instead, it uses heating coils to heat the water as you need it. They are best for small households and homes that don’t use more than one hot water appliance at the same time. They are available in natural gas or electric models and are highly energy-efficient.

Our Standard Water Heater Replacement Services

When you call us, we will thoroughly inspect your unit, find the cause of the problem, and help you determine the best solution. Our water heater replacement services include:

  • A 2-year workmanship warranty
  • A 6-year manufacturer tank warranty (8-, 10-, and 12-year extended warranties available)
  • Removal, haul-away, and recycling of your old water heater
  • Professional-grade stainless steel replacement supply lines
  • Same-day water heater replacement services available*

Why Hire an Expert for Water Heater Installation?

Proper installation depends on many factors, including energy or fuel source, local building code requirements, unit location in your home, and safety issues. It’s best to have a qualified plumbing contractor install your new water heater. An improper installation, or a unit that does not match the needs of your household, can cause property damage, safety issues, or higher than necessary gas or electric bills. Our plumbing contractors are factory-trained and certified to install all leading brands of water heaters and ensure safe and proper installation. Allegiance Water Services can also help you determine which type of home water heater is right for you. The lowest-priced unit may be the most expensive to operate and maintain over its lifetime, and it may not provide enough hot water for your household’s daily needs.

Frequently Asked Questions

How Long Does a Water Heater Last?

Most residential tank water heaters last around eight to 12 years, while well-maintained tankless models often reach 15 to 20 years or more. Their actual lifespan depends on factors like water quality, installation, usage, and maintenance. For instance, hard water, high demand, or skipped flushing and anode-rod replacement all speed up corrosion and sediment buildup. Commercial water heaters typically face heavier usage cycles and higher recovery demands, so they may wear out sooner unless they’re built with more robust components and receive strict, scheduled service. In both settings, routine professional maintenance and timely repairs are vital to stretching your water heater’s lifespan and avoiding sudden breakdowns.

Should I Repair or Replace My Water Heater?

You should usually repair your water heater if it’s relatively young, has a good service history, and the problem is minor, like a faulty thermostat, small valve leak, tripped breaker, or worn pilot assembly. When the tank is eight to 12 years old, shows rust on the exterior, leaks from the tank itself, or produces discolored or sandy water, replacement is usually wiser. Frequent repairs, loud rumbling from heavy sediment, or chronic lukewarm showers also signal that money spent on fixes may not pay off. A new, high‑efficiency unit can lower energy bills, improve comfort with more reliable hot water, and offer longer, more predictable performance. Allegiance Water Services’ team will gladly assess your water heater and advise you on the better choice between repairs and replacement.

How Long Does Water Heater Replacement Take?

A straightforward residential water heater replacement often takes about two to four hours from shutoff to hot water restoration, assuming a plumber has easy access and compatible connections to work with. The timeline stretches when the installer must upgrade gas lines, install new venting, add an expansion tank, or bring old plumbing and electrical work up to current code. Tight crawl spaces, stairs, or rooftop access also slow things down. Commercial water heater service is usually more complex because units are larger, may be installed in banks, and often tie into recirculation systems or building controls. Coordinating shutdowns, safety checks, and inspections typically adds time, but helps businesses avoid repeated interruptions.

What Are the Signs of a Failing Water Heater?

A failing water heater usually gives you several warnings. You might notice water that turns lukewarm quickly, inconsistent temperatures, or long waits for the shower to heat up. Rumbling, popping, or banging sounds often mean sediment has hardened inside the tank. Rusty or cloudy water, metallic-tasting hot water, or moisture pooling around the base indicate internal corrosion or small leaks that can suddenly worsen. A water heater unit that needs frequent repairs or is already a decade old is likely near the end of its life. Because these symptoms can overlap, you need a professional like Allegiance Water Services to safely diagnose the issue and recommend a reliable new model if replacement makes the most sense.

Is a Tankless Water Heater Worth the Investment?

A tankless water heater is often a wise upgrade if you’re willing to trade a higher upfront price for long-term savings and convenience. Instead of paying to keep a big tank of water hot all day, you only heat what you use, which can noticeably trim energy bills over the years. Installation can cost more, especially if your gas, venting, or electrical system needs work, but the longer lifespan helps balance that out. You also free up floor space and gain nearly endless hot water when sized correctly for your home’s hot water consumption. Busy families, smaller homes, and efficiency‑minded owners tend to see the biggest benefit from going tankless.

Make an Appointment for Water Heater Services

At Allegiance Water Services, we value quality workmanship, quality parts, and exceptional customer service. We are proud to be a local, family-owned plumbing company offering plumbing repairs, same-day hot water heater replacement, water treatment services, irrigation services, and high-pressure mist system services. No issue is too big or small for our experienced team. Call us now or contact us online to make an appointment for water heater services or water heater replacement in Scottsdale or Phoenix, AZ, and the surrounding areas.

Check Out Our Customer Reviews

facebookgoogleyelpOverall Rating
5.0
Based on 415 Reviews
Jim Jellison
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Jim Jellison
July 9, 2022

Will make sure the job gets done!

Hengameh Hajisafartehrani
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Hengameh Hajisafartehrani
June 10, 2023

After 5 years we had water softener , we found out we use soft water for our pool and watering the plants in our back yard , so I called this company they responded fast and the next day they sent their technician Ruben . After we agreed on his estimate , he came the next day. He did awesome job on separating our soft water. Ruben was knowledgeable, fast and reliable. I am so happy with his work and recommend him and this company to everyone.

M.G.
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M.G.
July 12, 2022

Fast, reliable. Polite repair people. Fair price.

Martin Waldinger
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Martin Waldinger
October 4, 2022

They have done several projects for us and they were done efficiently and well. I highly recommend them for any water service

Maritza Arias
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Maritza Arias
September 27, 2023
Michael Oster
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Michael Oster
July 26, 2022

Josh and the office and service tech Rommel were excellent in every way! Professional, knowledgable service of issues with my water softener.

Yong Choi
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Yong Choi
September 7, 2023

Lawson with Allegiance Water has done work for us the last few times and he’s very polite and professional and has done great work for us!

Laura S
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Laura S
October 20, 2022

Lawson installed a reverse osmosis system at our new home today. While he was here, he also helped answer (many!) other questions and helped inspect the home’s irrigation system for me. He was thorough, professional, friendly, and patient. Thanks so much Lawson and Allegiance!

Rahul Sahota
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Rahul Sahota
November 1, 2023

Very smooth transaction! One phone call got the osmosis and softner system scheduled and an experienced technician came and installed both within 2 hours! Great experience. Thank you!

Traci P.
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Traci P.
November 29, 2023

We had a leak in our drip system. Johnny was awesome. He took the time and explained what the problem was and how to get it fixed. He didn't have the part...

Janie R.
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Janie R.
November 29, 2023

I was in a panic when my sprinklers started making loud noises at 5:30am. I called Allegiance water and was able to get a service rep out the next day. They...

Steven Abrams
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Steven Abrams
September 23, 2022
Alex Mendoza
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Alex Mendoza
recommends
April 27, 2017

Great company! My water heater and water softener both decided it would be best to stop working on the same day. Allegiance came out and gave me a quote for both and their price was great. I feel like they were really interested in helping me.

Jack Coakley
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Jack Coakley
August 9, 2022

Paul and Allegiance are the best!

Sylvia Thomas
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Sylvia Thomas
September 30, 2022

Lawson Key was very professional, respectful and kind. He did a great and solid job of installing a new faucet for our water filtration system!

Dan McFadden
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Dan McFadden
August 25, 2022

They answered the phone (after several other business didnt) and came right out to do the estimate and complete the work. Quality is good. Will call next time I need sprinkler/landscaping work.

Tyler Twibell
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Tyler Twibell
October 6, 2023

Lawson was incredibly friendly, informative and professional. David was also a standout for his strong communication and customer service. 10/10 would recommend to friends and family.

Ginger Prost
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Ginger Prost
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April 3, 2018

Great company. We would highly recommend them. Courteous, professional, fast response time. Very reasonable rates. This is the third time we have used their services and have been very happy every time.

D Weaver
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D Weaver
December 18, 2023

The service tech was pleasant, courteous and knowledgeable. He tracked down the problem and eliminated it as quickly as possible, as he was aware that what his time cost us in getting the job done.

Lindsey Dempsey
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Lindsey Dempsey
November 17, 2023

Why should you hire Allegiance? Quality. Dependability. Customer service. Experience. Dedication. Hard work. This company takes quality experience and service to the next level. I haven’t worked with many home service companies who do such a good job like this. From the moment we got the quote, until the minute the job was done, they were reliable and they provided the service we requested. First they came out to inspect the issue. Once they figured out what was wrong, they provided a verbal quote and followed up with a digital quote. I was able to accept the quote digitally and put a deposit down to begin the work. Since our system needed to be replaced, it was quite a process and luckily they had it all under control. They contacted the city and cox communications to flag their underground items so that they knew where to avoid. Then Lawson came out and literally spent an entire day replacing the system. The customer service was above and beyond. Yes there are a million plumbers and irrigation companies out there, but there aren’t as many reputable, trustworthy, licensed and qualified ones like Allegience.

Dominique Miniat
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Dominique Miniat
December 5, 2023

Allegiance Water Services was great! They prioritized my urgent request and Lawson was great when he came to diagnose the issue. He thoroughly explained the problem and gave me different options and advice on future work. 5 star support!

Marc Soronson
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Marc Soronson
October 28, 2022
Marc Conrad
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Marc Conrad
December 30, 2022

Excellent service. Rommel was very professional. I will call on them again. Marc C.

Brei R
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Brei R
July 13, 2022
Derrick Wright
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Derrick Wright
September 16, 2022
Julie Reed
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Julie Reed
August 8, 2022
Jeanne Brown
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Jeanne Brown
May 9, 2022
Jason Goudie
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Jason Goudie
October 4, 2022
akash shetty
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akash shetty
January 3, 2024
Joan McCoy
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Joan McCoy
May 13, 2022
Debbie Christensen
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Debbie Christensen
recommends
September 10, 2021

Very prompt service and were there at scheduled times. Both tecs that have been here, Dan and John, were outstanding. Very professional staff including Josh. Pricing is reasonable. I would highly recommend this company.

Swaroop Satya
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Swaroop Satya
March 31, 2023
Mark
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Mark
October 2, 2023

John was very knowledgeable and pleasant to work with. Unfortunately, he didnt have the parts i needed so he will be returning in a couple of days to do the actual work. I will update after the work is completed.

Chris Erickson
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Chris Erickson
December 22, 2023

Fast and reasonable.

Devon O'Connell
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Devon O'Connell
September 8, 2023
Ken Forston
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Ken Forston
January 11, 2022

Had a hot water heater replaced today; Lawson did a fantastic job. The workmanship is very professional. Lawson was on time and did exactly what he said he was going to do.

Erin Garton
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Erin Garton
September 6, 2023

I’ve used this company for multiple services! And they are great at everything they do. They are super responsive to all of my needs and are always on time. I will never use any other company!

Andrew Kinch
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Andrew Kinch
November 10, 2022

I have used Allegiance for years now and every time I'm still amazed at how courteous and professional they are. Every year I have my R.O. filter changed and my soft water big blue filter changed. They also perform my mist services for the backyard with shutdown for the winter and startup in the spring. 100% recommend them!

Allison Camas
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Allison Camas
March 30, 2023
Greg Kreizenbeck
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Greg Kreizenbeck
October 12, 2023

Paul is all of the above plus irrigation systems technologically advanced.

Jensen Hemming
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Jensen Hemming
September 1, 2023
Grant Cook
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Grant Cook
October 12, 2023

Highly recommend for Navien install and servicing.

Michael Clarke
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Michael Clarke
October 25, 2023

Allegiance is fantastic. Lawson in particular is a total professional. Super knowledgeable, trustworthy, and efficient. Diagnosed our crazy irrigation issues and came up with a cost effective solution.

Pat Matthias
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Pat Matthias
September 22, 2022

Allegiance Water Services sent a repair man to fix a broken sprinkler head.. He was courteous, pleasant and well informed. He fixed the head and checked to be sure the whole system was working again correctly. I appreciated his service. Thank you

Rhonda Else
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Rhonda Else
December 27, 2023

Excellent service and water quality!!

George
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George
September 23, 2023

Technician was here within 30 minutes. Did a great job for a fair price. I highly recommend Allegiance…..

Julie Shinn
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Julie Shinn
November 12, 2022

Allegiance’s technician Eloy Garcia arrived promptly, explained and showed me the issue with my water softener and also he noted some water in tray beneath the water heater that I had even noticed. He fixed the motor on softener and then removed and replaced my water heater as he noted it was still under manufacturer’s warranty! I am so please with his prompt, thorough and efficient service. I highly recommend him and Allegiance Eater Services!

Megen Blackburn
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Megen Blackburn
May 27, 2022

Allegiance Water Services are prompt, thorough, and professional. I found them when they did work on my next door neighbor’s irrigation system. When my irrigation started leaking and watering weeds, I called Allegiance Water Systems for a quote and then to schedule repairs. They send text messages and emails with links to track your technician or to call them direct. Invoicing is quick and easy to access via their billing system. You have everything in writing with links to confirm, deny, or modify your service needs.

Charles Fratantoni
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Charles Fratantoni
December 6, 2023

Friendly, knowledgeable and efficient.

Angie morrow
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Angie morrow
January 3, 2023

Installed water softener

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