AWARD WINNING SERVICE • SERVING ARIZONA • LICENSED, BONDED, & INSURED
Reliable Tankless Water Heater Repair in Arizona
On-demand hot water is essential for every home. If your tankless water heater is malfunctioning, our licensed team provides fast, professional repair services—ensuring your system runs efficiently and reliably so you never run out of hot water.
Expert tankless water heater repair
Energy-efficient solutions to restore performance
Licensed, bonded, and insured local professionals
Free, no-obligation quotes with honest pricing
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Tankless Water Heater Problems? Call Us Today for Fast, Reliable Repairs
These are just a few of the most common issues homeowners face with tankless water heaters. Don’t wait—small problems can quickly turn into costly breakdowns and leave you without hot water when you need it most.
Tankless Water Heater Repair
Strange Noises or Rumbling
Low Water Pressure Problems
No Hot Water Issues
Rusty or Discolored Water
System Error Codes
Leaks Around the Unit
Fluctuating Water Temperatures
Full Unit Replacement
About Classic Guys plumbing
Service You Can Count On and Quality You Can Afford
We are proudly one of the top rated and reviewed full service plumbing company's of Arizona. Whether you are looking for help with a residential or new construction project, our team of experts are here and ready to help you out. Give us a call or fill in our contact form today to work with our team.
Nikki Chavez
Founder CEO
Nikki Chavez
Founder & CEO
Looking for a plumber in Chandler, AZ?
Connect with our team today to get a quote or have an expert from our team visit your home.
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Voted #1 in Chandler. BEST in Arizona. Listed in the Ocotillo Friends Business Directory plumbers for Ocotillo Friends admins, we will take the best care of you!
Simple, Reliable Tankless Water Heater Repair Process
From diagnosing the issue to restoring reliable hot water, we make the repair process quick, efficient, and stress-free—so your tankless system keeps performing at its best.
Step 1
Schedule Service
Call us or book online—we’ll set a convenient time to inspect your tankless water heater.
Step 2
Diagnose & Prepare
We check your unit, identify the problem, and get it ready for a precise repair.
Step 3
Repair & Test
Your system is repaired, adjusted, and tested to ensure steady hot water every time.
STILL NOT SURE?
Frequently Asked Questions
Here are the tankless water heater repair questions Arizona homeowners ask us most — from common issues to repair time, costs, and how to keep your system running efficiently for years.
How long does a tankless water heater repair take?
Most repairs can be completed within a few hours, depending on the problem and availability of parts.
What are the most common signs my tankless unit needs repair?
Fluctuating water temperature, error codes, strange noises, or reduced water pressure are all signs your system may need service.
How much does tankless water heater repair cost?
Costs depend on the type of issue and your system’s condition. We provide upfront, transparent pricing before any work begins.
Can regular maintenance help prevent repairs?
Yes. Routine flushing and inspections help prevent mineral buildup and extend the life of your tankless water heater.
Get In Touch With Us Today
Call us (480) 330-2724 or fill out the form below.
Proudly serving Ahwatukee, Apache Junction, Chandler, Florence, Gilbert, Gold Canyon, Mesa, Paradise Valley, Payson, Phoenix, Prescott, Queen Creek, San Tan Valley, Scottsdale, and Tempe with expert plumbing, water heaters, replacement and installation, septic systems, re-pipes, re-routes, remodels and more.
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Hours Of Operation
8am - 9pm Monday to Friday
By Appointment Only Saturday & Sunday