Residential Plumbing

Gilbert Tankless Water Heater
Installation

Evolution Plumbing and Misting are Gilbert's local tankless water heater team. Licensed, experienced, and serving the entire East Valley, we install gas and electric tankless systems with same-day appointments available when your hot water quits and waiting around isn't an option.

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Free In-Home Water Test
24/7 Emergency Service
350+ 5-Star Reviews
Get Rid of Hard Water

Tankless Water Heater Installation in Gilbert, Arizona

Gilbert’s water is hard. The Town of Gilbert reports average hardness around 8 to 10 grains per gallon, and that mineral load matters with tankless water heaters because scale buildup inside the heat exchanger can shorten system life if the unit isn’t sized, installed, and maintained properly. It’s one of the first things we talk about on every install out here.

A tankless unit heats water on demand instead of storing it in a tank in the garage. Sized correctly for your household, it gives you steady hot water without running out the way a tank can. Our licensed plumbers handle the whole job: gas lines, venting, electrical connections, permits, testing, and the walkthrough before we leave.

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24 to 34%

More energy efficient than a conventional storage tank water heater for homes using 41 gallons or less of hot water daily, according to the US Department of Energy

20+ years

Typical lifespan of a tankless water heater, compared to around 10 to 15 years for a standard tank unit

8 to 10 GPG

Gilbert's average water hardness, which makes correct installation, annual descaling and water softener pairing worth talking about from the start

See the Difference

Key Benefits of Tankless Water Heaters

Endless Hot Water

A correctly sized tankless unit heats water as you use it, so you're not waiting for a tank to refill after back-to-back showers, laundry, or dishes.

Lower Energy Bills

According to the US Department of Energy, tankless units can be 24 to 34% more energy efficient than conventional storage tank water heaters for homes using 41 gallons or less of hot water daily.

Longer Lifespan

A quality tankless water heater typically lasts 20 years or more, compared to around 10 to 15 years for a standard tank. That's potentially one fewer full replacement over the life of your home.

Space Saving Design

Tankless units are compact and wall-mounted, which frees up floor space in your garage, utility closet, or mechanical area. Not a bad bonus if your garage is already doing three jobs.

Correctly Sized for Your Home

We size every installation around your household's real peak hot water demand. Too small and the unit can't keep up. Too large and you're paying for hardware you don't need.

Hard Water Compatibility

Gilbert's hard water can speed up scale buildup inside tankless heat exchangers. We talk through descaling schedules and water softener pairing during installation so your new unit has a fair shot at a long life.

Licensed Installation

Tankless installation involves gas lines, venting, or electrical connections, not weekend-DIY territory. Our licensed team handles the job properly and pulls permits where required.

Same-Day Availability

A failed water heater throws off the whole house. We offer same-day appointments across Gilbert and the East Valley, and we'll tell you straight what can be installed, repaired, or replaced.

Our Work

Recent Tankless Water Heater Installations in Gilbert

We have completed tankless water heater installations across Gilbert and the East Valley, from same-day gas unit swaps to full electric retrofits. Every installation is clean, code-compliant, and built to last.

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See what our clients say

Customer Reviews

Tankless Water Heater Installation

Our Water Heater Services

01

Tankless Water Heater Installation

Every installation starts with a full site assessment to confirm your home's gas, venting, and electrical setup can support the new unit. If the gas line is undersized, we scope the upgrade and include that cost in your written quote before any work begins. Permits are handled on your behalf, manufacturer warranty registration is completed at installation, and a full homeowner walkthrough is included before we leave.

02

Tank Water Heater Installation

If a tankless system isn't the right fit for your home or budget, we also install traditional tank water heaters across Gilbert and the East Valley. A standard tank replacement is typically completed within two to four hours, with same-day attendance available. Visit our dedicated Gilbert Water Heater Installation page for full details on tank options, sizing and pricing.

03

Hybrid Water Heater Installation

For maximum energy efficiency, a hybrid heat pump water heater delivers Uniform Energy Factor ratings of 3.0 and above, significantly outperforming both standard tank and tankless systems on running costs. Visit our dedicated Gilbert Hybrid Water Heater Installation page for full details.

Simple & Hassle-Free

How Our Tankless Water Heater Installation Process Works

  • 01

    Assessment and Quote

    We assess your hot water demand, fuel source, and existing gas, venting, and electrical infrastructure. You get a full written quote with no hidden fees before anything is scheduled.

  • 02

    Permit Handling

    Tankless installations usually require permitting because gas, venting, or electrical work is involved. We handle the application, paperwork, and code requirements for you.

  • 03

    Installation

    Our licensed team completes most tankless installations within half a day to a full day. We arrive with what we need and get it done, no dragging the job out.

  • 04

    Testing and Sign-Off

    We test the system fully before we leave, confirm everything is working properly, and walk you through operation and maintenance. You have hot water before we go.

  • What Our Customers Say

    Real Results from Gilbert Homeowners

    Hear from customers who had a tankless water heater installed by our team.

    “We chose to work with Evolution Plumbing after meeting with a number of contractors in the Phoenix area and receiving multiple quotes for a tankless water heater replacement. Ryan in the office was great to work with, and Justin, Logan and Brandon were very knowledgeable and professional. Highly recommend!”

    MH
    Michael H.
    Gilbert, AZ

    “Did an amazing job on switching us from a tank to tankless water heater system. Great crew that's friendly, knowledgeable and efficient. Would highly recommend them over any of the others. Their price was significantly lower than others.”

    IR
    Ian R.
    Gilbert, AZ

    “We replaced our tank water heater with a tankless and also installed a water softener. They were even able to schedule the work to be done the next day in only 3.5 hours total. We are very pleased and would recommend them highly.”

    JH
    Jessica H.
    Gilbert, AZ

    Read all our reviews on Google

    Which System Is Right for You?

    Gas vs Electric Tankless Water Heaters: Which Is Right for Your Gilbert Home?

    Not sure whether to go gas or electric tankless? Here's how the two options compare for Gilbert homeowners.

    Electric Tankless

    Best for Smaller Homes

    A practical option for smaller Gilbert homes without existing gas supply. Simpler to install with no venting required, though flow rates are lower and running costs are typically higher than gas.

    Advantages

    • No gas line or flue venting required
    • Simpler installation in homes without existing gas supply
    • Lower upfront unit cost in most configurations

    Considerations

    • Lower flow rates, better suited to smaller homes with lower demand
    • Higher operating costs compared to gas in most cases
    • May require an electrical panel upgrade to support the additional load
    Transparent Pricing

    Tankless Water Heater Installation, Priced for Your Home

    Every tankless installation is different. Unit type, fuel source, venting configuration, and gas line or electrical panel upgrades all affect the final cost. We provide a full written quote before any work is scheduled, with no hidden charges added on the day.

    Book a Free Water Test

    What's included in every quote:

    • Free no-obligation assessment and written quote
    • Correctly specified unit for your household's peak hot water demand
    • Professional installation by a licensed Gilbert plumber (ROC 330753)
    • Permit application and handling included
    • Full testing and sign-off before we leave
    • Manufacturer warranty registration completed on your behalf

    Final price depends on unit type, fuel source, venting requirements, and any additional infrastructure work required. Contact us to book your free assessment.

    Common Questions

    Tankless Water Heater FAQs

    What is the downside to a tankless water heater?
    The main downsides are higher upfront cost and the possible need for gas line or electrical panel upgrades during installation. There can also be a short delay before hot water reaches distant taps, though a recirculation line usually solves that. In hard water areas like Gilbert, annual descaling is the big maintenance item. Skip it, and the unit will let you know.
    Can I install a tankless water heater myself in Arizona?
    Not if gas, venting, or panel-level electrical work is involved. That's licensed-contractor work for a reason. A bad DIY install can void the manufacturer warranty, fail inspection, and create serious safety risks. Use a licensed Gilbert plumber and sleep better.
    Do I need a permit to install a tankless water heater in Gilbert, Arizona?
    Yes, tankless water heater installations in Gilbert usually require a permit because they involve gas, venting, or electrical work. We pull the permit on your behalf before work begins, so the installation is documented properly and completed to code.
    How long does a tankless water heater installation take?
    Most standard tankless installations in Gilbert take between half a day and a full day. Straightforward swaps where the existing gas lines and venting are compatible sit at the lower end. Retrofits that need new gas lines, electrical upgrades, or modified venting can take a full day or a little longer.
    How long does a tankless water heater last?
    A quality tankless water heater typically lasts 20 years or more with correct installation and regular maintenance, compared to around 10 to 15 years for a standard tank unit. In Gilbert's hard water, annual descaling is the one maintenance task you don't want to skip.
    Do tankless water heaters work well in hard water areas like Gilbert?
    Yes, but they need the right setup and maintenance. Gilbert's hard water builds scale inside the heat exchanger over time, ignore it, and efficiency drops. Annual descaling keeps the system performing properly, and pairing your tankless unit with a water softener is the best long-term setup for most Gilbert homes.
    What size tankless water heater do I need for my home?
    Sizing is based on your household's peak flow rate demand in gallons per minute, not storage capacity. A typical three-bathroom Gilbert home often needs roughly 7 to 8 GPM. Gilbert's warmer inlet water temperature means the unit has less temperature rise to handle than the same system would in a colder climate, which helps when multiple fixtures are running.
    How do I maintain a tankless water heater in Gilbert?
    The big one is annual descaling. Gilbert's hard water leaves mineral buildup inside the heat exchanger, and that buildup cuts efficiency if it's ignored. We recommend pairing your unit with a water softener to reduce scale load and help the system last longer. A licensed plumber should also inspect the inlet filter, venting, and gas connections once a year to make sure everything is working safely and efficiently.
    Water Softener Service Area

    Serving Gilbert and the Entire East Valley

    We're based in Gilbert and install tankless water heaters across the entire East Valley, including Mesa, Chandler, Tempe, Scottsdale, Queen Creek, and surrounding communities.

    • Gilbert
    • Chandler
    • Mesa
    • Queen Creek
    • Tempe
    • San Tan Valley
    • Ahwatukee
    • Scottsdale
    • Maricopa
    (480) 662-6555
    Free In-Home Water Test

    Book Your Free Tankless Water Heater Installation Consultation in Gilbert

    Booking your free tankless water heater assessment takes a few minutes. No obligation, no sales pressure, just an honest look at your home's setup and a written quote from a local licensed plumber.

    Our Location

    1509 S Colt Dr, Gilbert, AZ 85296

    Contact Us

    (480) 662-6555

    evlplumbing@gmail.com

    Our Hours

    Mon – Sat: 7:00 am to 7:00 pm

    Sun: Emergency Only