
Phoenix Water Heater Services
We Do Repair, Installation & Maintenance for Water Heaters in Scottsdale, Mesa & Nearby Areas
Phoenix’s high temperatures and hard water can take a toll on your water heater, affecting its efficiency over time. At Donley A/C and Plumbing, we provide water heater repair, installation, and maintenance tailored to the needs of homeowners and businesses in Phoenix, Scottsdale, Mesa, Glendale, Chandler, and Gilbert. Our team services traditional tank models, as well as modern tankless and heat pump systems, delivering dependable solutions with honest pricing and clear communication.
With service available 7 days a week, we help keep your water heater in top condition, so you always have hot water when you need it. We also offer financing options to make unexpected repairs or replacements more manageable.
Contact us today at (602) 698-8912 or fill out our online form to schedule a service and get a free estimate. Se habla español!
Our Water Heater Services
Water Heater Repair
If your water heater is leaking, making unusual noises, or not heating properly, it can disrupt your daily routine. We inspect your unit for issues such as sediment buildup, faulty valves, or worn heating elements. Our team addresses these problems by repairing or replacing the necessary parts, providing reliable hot water for your household or business.
Water Heater Installation & Replacement
Upgrading to a modern water heater can boost energy efficiency and improve performance. Whether you're replacing an older unit or installing a new system, we help you find the right model for your hot water needs and budget. We install traditional tank water heaters as well as advanced options like tankless and heat pump systems, both designed to work well with the Valley’s water conditions.
Maintenance & Tune-Ups
Regular maintenance can extend the life of your water heater. Our maintenance services include routine inspections, cleaning, and tune-ups to address minor issues before they develop into larger problems. This service helps keep your water heater running efficiently, even with the hard water and sediment buildup common in Phoenix.
Common Causes of Water Heater Problems
Understanding what affects your water heater can help you catch issues early.
Here are some common issues homeowners in the Phoenix area may face:
- Sediment buildup. Hard water in the Valley can cause minerals to accumulate in your water heater tank. This sediment disrupts the heating process, leading to fluctuating temperatures and reduced efficiency. Our team inspects and cleans your unit to keep it performing well.
- Corrosion. Over time, chemical reactions and aging can cause corrosion inside the water heater. This damage may result in leaks and discolored water, a common issue in older systems. We assess corrosion and recommend repairs or component replacements to extend the unit’s life.
- Worn heating elements. Continuous use can wear out the heating elements, reducing their ability to warm water consistently. A failing element can cause inconsistent temperatures or even a complete loss of heat. We replace worn elements to help restore steady hot water.
- Faulty thermostats or valves. Malfunctions in thermostats or valves can disrupt temperature control and water flow. When these components malfunction, you may experience temperature fluctuations or low hot water output. Our team checks these parts during our service visits and replaces or adjusts them to maintain reliable performance.
- Ignition issues. Problems with the pilot light or electronic ignition can prevent your water heater from starting properly. This can leave you without hot water during critical times. We carefully inspect the ignition system, repair any malfunctions, and guide you on the proper operation of your unit.
Recognizing these common causes can help you understand potential issues with your water heater. Our team at Donley A/C and Plumbing is ready to diagnose and address these problems with clear, honest service.
Why Choose Donley A/C and Plumbing for Water Heater Services?
For over 49 years, our family-run business has been a trusted name in the Phoenix community, growing from a single service truck to 49. We’ve built lasting relationships with homeowners and businesses by delivering reliable water heater solutions with a friendly, personal touch.
As a licensed and insured company, we prioritize quality and professionalism in every service we provide. With a 4.9 Google rating and a reputation for honest service, we’re proud to serve Phoenix, Scottsdale, Mesa, Glendale, Chandler, and Gilbert. We offer same-day service for urgent water heater issues and provide financing options to help with unexpected repairs or replacements. Our team is actively involved in the community, investing in ongoing training and supporting local initiatives. Se habla español!
Reach out to us for reliable water heater service at (602) 698-8912 or fill out our online form and get a free estimate.

Honest Pricing. Get Help Today!
Frequently Asked Questions
Have questions? We are here to help. Still have questions or can't find the answer you need? Give us a call at 602-698-8912 today!
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How do I know if my gas water heater needs repair or replacement?If your water heater is leaking, producing rusty water, making unusual noises, or struggling to provide hot water consistently, it may need repairs. If it’s over 10-12 years old, replacement might be the best option for efficiency and reliability.
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How often should I flush my gas water heater?To prevent sediment buildup and maintain efficiency, it's recommended to flush your gas water heater at least once a year. If you have hard water, more frequent flushing may be necessary.
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What should I do if my gas water heater isn’t producing hot water?First, check the pilot light—it may need to be relit. If the pilot is on, but you still don’t have hot water, there could be an issue with the thermostat, gas supply, or sediment buildup. If troubleshooting doesn’t resolve the issue, call a professional for an inspection.
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How long does an electric water heater last?
With proper maintenance, electric water heaters can last 10 to 15 years.
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Are electric water heaters energy-efficient?
Yes. Modern electric water heaters are designed for energy efficiency, helping reduce your utility bills.

