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Patrick RileyIsley's Home Service
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Tankless Water Heater Installation in Phoenix

Get Instant Hot Water with a Tankless Water Heater from Patrick Riley Plumbing

Running out of hot water in the middle of your shower can ruin your day. If your water heater is starting to let you down—or if it’s more than 10–15 years old—it could be time to consider a new one. Tankless water heaters are a quality choice for Arizona families, providing instant hot water with increased efficiency to save you time and money.

Request a same-day, next-day, or scheduled tankless water heater installation with Patrick Riley | Isley’s by requesting service online or calling (602) 286-0027. Our tankless water heater installation services are available to homeowners across the Greater Phoenix Area and come with a 100% satisfaction guarantee.

Call (602) 286-0027 for same-day tankless water heater installation in Cave Creek, Fountain Hills, Tempe, Chandler, Mesa, and surrounding cities.


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What to expect:

  • Upfront and honest pricing
  • 100% satisfaction guarantees on all of our work
  • Flexible scheduling
  • On-time arrivals
  • Repair appointments between 2-8 hours
Request Tankless Installation

Same-day service available

What's Included

What to Expect During Your Tankless Water Heater Installation Appointment

  1. Professional Diagnosis and Solutions to Fit Your Home

    Our expert plumbers are trained to accurately diagnose water heater issues and work with you to find a solution that fits your home and budget. We'll walk you through all of the water heater options available and take the time to answer any questions you have about tankless water heater installation.

  2. Honest Pricing From the Start

    Before we do any work, we’ll give you an honest price—so there are no surprise fees. Most importantly, we’ll stick to that price and work to make things right during your first appointment.

  3. Flexible Financing Options

    Worried that a new tankless water heater installation is going to break your budget? We can help with flexible financing options.

  4. 100% Satisfaction Guaranteed

    We want you to be completely happy with your tankless water heater installation. If you’re not, we’ll redo the job—on our time and dime.

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The Cost to Install a Tankless Water Heater

Factors That Affect Your Cost

  • Water heater type: Whole-home tankless units provide hot water to all plumbing fixtures in your home, while point-of-use (POU) units only provide hot water for a single appliance or area (like the kitchen or laundry room). Some homes just need one whole-home unit, while other homes require a whole-home unit paired with multiple POU units. This paired setup supports hot water appliances that are too far from the whole-home unit and those that have high flow rates (like a shower).
  • Fuel type: Natural gas water heaters have higher installation costs compared to electric tankless units. Electric water heaters are also cheaper to operate, saving you money on your energy bills. Determine what water heater is best for your home by reading our blog or contacting Patrick Riley | Isley’s.
  • Flow rate: Flow rate refers to how many gallons of hot water the unit can provide in one minute. The higher the flow rate, the more expensive the tankless unit. Our plumbers will help you determine what flow rate you need for your family's hot water needs.
  • Labor: If the plumber needs to add a gas line or modify your home's plumbing to install a tankless water heater, then the cost to install your tankless unit will increase.
Call (602) 286-0027 for Assistance

How Scheduling Works

Schedule Your Tankless Water Heater Installation in 3 Steps

  1. Contact Us

    Schedule an appointment online or give us a call (602) 286-0027.

  2. Choose a Day and Time

    We're flexible—we do our best to work around your schedule.

  3. Get a Reminder Call

    When our plumber is 30 minutes away, they'll give you a call to let you know they're on their way.

What Folks Are Sayin' About Patrick Riley

Our Service Area in Arizona

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Get Help From Patrick Riley | Isley’s Local & Friendly Plumbers

Or call us at (602) 286-0027 when you need a trusted team to service your home. Dealing with an old, broken, or non-efficient water heater can make your daily routine a struggle. Our plumbing team—from the person who schedules your service appointment to the tech who enters your home—is focused on providing a friendly and professional experience for your family. We’ll get your tankless water heater installation done right to ensure instant hot water for your home.

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Angi Neighborhood Fave 2021
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Angi Neighborhood Fave 2022

Ready for a new water heater?

Same-day service available