Scottsdale Tankless Water Heaters

Upgrade to Endless Hot Water With a Tankless System

If you’re tired of running out of hot water or looking to lower your energy bills, a tankless water heater could be the perfect solution. Zest Plumbing & Drain installs and services tankless systems throughout Scottsdale, AZ, helping homeowners and businesses enjoy efficient, on-demand hot water. Unlike traditional models, tankless heaters only warm their contents as needed—saving space, energy, and time. Whether you’re making the switch or maintaining an existing system, we’re here to help you get the most out of your upgrade.

Our Tankless Water Heater Services

Tankless water heaters offer excellent performance and energy savings—but they need proper installation and care to work their best. Zest Plumbing & Drain provides full-service solutions, from new installations and replacements to repairs and regular maintenance.

Tankless Water Heater Installation: We install top-rated tankless systems designed to deliver reliable, energy-efficient hot water. Our team ensures your system is correctly sized and professionally installed for long-term performance.
Tankless Repair Services: If your unit is delivering lukewarm water or showing error codes, we’ll diagnose the issue and fix it fast. Our team is experienced with all major tankless brands.
System Flushing & Maintenance: Over time, mineral buildup can reduce your tankless heater’s efficiency. We offer professional descaling and annual tune-ups to keep your system running at peak performance.
Upgrades From Tank to Tankless: Ready to make the switch? We’ll walk you through the process and handle all necessary plumbing and venting updates to get your new system up and running.

Plumbing Emergency in Arizona?

When you have a plumbing emergency in Arizona, there is no time to waste. Access our online booking 24 hours a day, 7 days a week!

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Why Choose Zest Plumbing & Drain for Tankless Water Heaters?

Choosing a tankless water heater is a big decision—and Zest Plumbing & Drain is here to make it simple. With years of experience and a dedication to honest, top-quality service, we help Scottsdale residents enjoy worry-free hot water with systems that save space, energy, and money. From consultation to installation, we’re with you every step of the way.

Service Rooted in Scottsdale Expertise: We understand the unique demands of local homes and pride ourselves on fast service, friendly technicians, and lasting solutions.
Specialized Installation and Support: Our team knows tankless systems inside and out, ensuring expert installation and dependable performance for years to come.
Smarter Energy Savings: We’ll match you with the right model for your home’s needs, helping you cut utility costs while boosting overall efficiency.
Straightforward Pricing and Honest Guidance: No confusing jargon or pushy upsells — just clear advice, detailed quotes, and a smooth experience from start to finish.
24/7 Emergency Availability: Plumbing issues don’t keep business hours, and neither do we. Our team is ready around the clock to handle urgent needs and restore your comfort fast.

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Frequently Asked Questions

Zest Plumbing & Drain has a knowledgeable and experienced team that can help answer a variety of questions you may have.

Customer Testimonials That Shine

Over 1258 Reviews!

David Braswell

2 weeks ago

Great proffesional service. I am very pleased with the cost savings extended to me as a senior.

Angela Bartley

2 weeks ago

Just a review to rave about our experience with Zest for the unfortunate happenstance that we needed new sewer pipes. A prior plumber ran ABS pipes into cast iron on a bathroom remodel and it caused a belly that needed a repair and replacement of the cast iron pipes. Anthony and Rabbaanee came to do the demo and pipe install. Those two men have revived my faith in modern day work ethic. They did an excellent job with a difficult demo in a very short time, installed the pipes, replaced the concrete and cleaned up all in 3 days. They were incredible and I cannot recommend them more highly if you need new sewer work or for any demo/replacement work with heavy lifting. Thanks so much guys!! Also had to shout out to Diana at the office who is always so on top of scheduling, billing and all things in the office. Thanks Diana!

marium khan

2 weeks ago

Dalton was great and did the job well. I like to recommend to everyone. He also explained very well. 👍

glenn huffman

2 weeks ago

Zest plumbing was great. They were able to make it to my house within an hour of my call. I had broke the shower valve in the wall and needed Zest to replace it. They were in and out in less than an hour. Wally was pleasant, efficient and knows his job! While no plumbing job is inexpensive, Zest was half as much as the Major local companies! I will only use Zest for any plumbing need in the future!

Andrea Finkelstein

2 weeks ago

Fantastic Plumbing Company! I had emergency and they were able to send Wally out same day. In addition, he was able to quickly determine the problem, as well as the most cost effective solution. He also fixed another leak we had on the same visit, again, going the extra mile to identify the problem and find the best fix. He didn't try to create a mountain out of a mole hill like so many do today. I highly recommend Wally and Zest. A+++++

Brianna Osuna

2 weeks ago

Zest and their service technician Jason were fantastic. Jason was professional, knowledgeable, and efficient. I highly recommend their services.

Hilary Witonsky

2 weeks ago

Really great service, job done fast, clean. Great pricing Wally is fantastic

Jaculyn Goldman

3 weeks ago

As always excellent experience with new plumbing issues and annual routine maintenance. Thank you Len Gibbs for your professionalism and expertise! You were a pleasure to work with!

Casey Cressman

3 weeks ago

So quick and professional! Highly recommend!

Big East

3 weeks ago

Wally was awesome. Friendly, worked fast, and explained when I had questions. Definitely would call Wally again. Appreciate you!

Diana Kunze

4 weeks ago

I called Zest to handle a few plumbing issues in the house. Although not in a rush, Thomas came that week for the estimate. I was pleased that it all finally got done. Thomas was very pleasant, personable and if any other issues come, Zest will get my business for sure!

Travli Communications

4 weeks ago

Zest is one of our top choices for any plumbing need! Their quick availability is vital for our hospitality business. From the office to the techs, every employee we have worked with has treated us with genuine care. We recommend adding them to your trusted vendor list immediately!

Patricia Cron

1 month ago

Valdet from Zest plumbing was a real professional! He came in assessed the situation and quickly cleared the problem with our kitchen drain. He also tested our RO system to ensure it was working properly. Would highly recommend him. We will call Zest plumbing for future plumbing needs!

Harry Margulies

1 month ago

Rabbaanee provided fast, friendly service at a fair price. Will use again

Bob Zimmerlich

1 month ago

We contacted Zest to provide an estimate for some plumbing work, that we had previously received a quote from another company that didn’t sound right. Wally from Zest was able to find the cause of our plumbing problem after taking the time to do an entire diagnosis (which the other company didn’t do), and saved us thousands of dollars in the process compared to the mis-diagnosis the other company would have cost. Wally was our tech and is extremely professional and very friendly. You could tell he is very experienced. I would not hesitate to use Zest again for any plumbing we need and highly recommend them!

Skywrench1

1 month ago

We had a leak and we had a gentleman named Wally come over and address it. He was amazing to work with and they do great work and this is why we always call them for our needs.

Danna Evans

1 month ago

They were on time, professional, attended to every concern and went above and beyond! You can feel safe calling Zest!

Larry Darr

2 months ago

Anthony arrived and did a very good job of explaining what the options were for our service issue. He was very pleasant and social, and best of all he corrected the problem with the least expensive option. I recommend Zest and Anthony to anyone with plumbing needs.