Tankless Water Heaters Phoenix AZ | Install & Repair

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Upgrade to On-Demand Hot Water

If you want on-demand hot water without keeping a storage tank heated all day, a tankless water heater can be a strong fit for your home. Christian Brothers A/C, Plumbing, and Electrical installs, repairs, and maintains tankless systems throughout the Phoenix Metro Area, helping homeowners get dependable performance from this more compact approach to water heating.

Our licensed plumbers work with leading tankless brands including Rinnai, Navien, and Noritz. We’ll help you choose equipment that can keep up with your household’s hot water demand, complete the installation correctly, and explain how to care for the system once it’s in place.

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Complete Tankless Water Heater Services

Whether you already have a tankless system or are considering making the switch, our plumbers can provide the service needed throughout the life of the equipment.

Installation

We install new and replacement gas and electric tankless water heaters, sizing each system around your household’s hot water demand. Whether you’re converting from a traditional tank or replacing an older tankless unit, we’ll account for the required utility connections, venting, and installation needs so the new system is set up for dependable performance.

Repair

If your unit stops producing hot water, delivers inconsistent temperatures, shuts down unexpectedly, or displays an error code, we can diagnose the problem and complete the necessary repair. Service may involve ignition components, sensors, filters, controls, or other parts that affect how the system heats and delivers water.

Maintenance

Routine maintenance helps reduce mineral buildup and keeps key components working as they should. We can clean and service the unit, check filters and other serviceable parts, and look for developing issues that could affect hot water delivery, efficiency, or overall system performance.

Is a Tankless Water Heater Right for Your Home?

Tankless systems heat water as it’s needed rather than storing a fixed supply for later use. That makes them especially appealing when you want to eliminate standby heating losses, free up floor space, or avoid running out of stored hot water during periods of heavier use.

A tankless system may be a good choice if you’re looking for:

The right system still needs to be sized correctly. A unit that can’t meet simultaneous demand may struggle when multiple fixtures or appliances are running at the same time.

Make Tankless Water Heater Service More Manageable

Christian Brothers offers discounts on select plumbing services, from repairs and replacements to larger installation projects. Available specials can provide added savings when your service qualifies.

Financing is also available for eligible plumbing projects when you’d prefer more flexibility with the cost.

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Frequently Asked Questions About Tankless Water Heaters

Can a tankless water heater really provide unlimited hot water?

A properly sized tankless system can continue heating water as long as demand stays within its flow capacity. It doesn’t have a stored supply to run out, but using more hot water simultaneously than the unit can handle can affect performance.

Why does my tankless water heater go hot and cold?

Temperature fluctuations can be caused by mineral buildup, restricted filters, flow problems, sensors, ignition issues, or a system that’s struggling to meet demand. A plumber can diagnose which condition is affecting the unit.

How often does a tankless water heater need maintenance?

The appropriate schedule depends on your manufacturer’s recommendations, water quality, and household use. Homes with harder water may need more frequent attention because mineral scale can accumulate inside the system.

Can I replace my tank water heater with a tankless system?

In many homes, yes. We’ll first evaluate the available gas or electrical capacity, venting requirements, plumbing connections, and expected hot water demand to determine what the conversion requires.

How long do tankless water heaters last?

Many tankless system can last up to 20 years, often providing a longer service life than conventional storage-tank units when they’re properly installed and maintained.

Phoenix Metro Service Area

Based in Glendale, AZ, Christian Brothers proudly serves the entire Phoenix Metro area. Below are some of the cities and neighborhoods we serve most often — don’t see your area listed? Give us a call.