Phone lines are answered 24/7. Service during business hours.(623) 469-4660

Tankless Water Heaters

Tankless Water Heaters in Phoenix, AZ

Thinking about going tankless in Phoenix, AZ? Elite Rooter installs, services, and maintains tankless water heaters. You get endless hot water in a smaller footprint, and a well-maintained unit outlasts a tank. We size the unit to your home, handle gas and venting to code, and service every major brand.

Call (623) 469-4660

Phone lines are answered 24/7. Service is scheduled Monday through Friday, 6:00 a.m. to 6:00 p.m., and Saturday, 7:00 a.m. to 4:00 p.m.

Elite Rooter technician moving a water heater beside a branded service van
  • MarketPhoenix, AZ
  • Local phone(623) 469-4660
  • Service hoursMon-Fri 6 a.m.-6 p.m.; Sat 7 a.m.-4 p.m.
  • LicenseROC 358482

Reviewed by Connor JimenezOperations Manager · 10+ years of field experience

Common signs

Signs you may need tankless water heater service

One symptom can be minor. Several together usually point to a larger issue.

You keep running out of hot water with a tank unit

You want the space a wall-mounted unit frees up

Your current tankless shows error codes or runs lukewarm

An existing tankless is overdue for descaling

What we handle

We match the repair to what is actually happening inside the system.

Explore Tankless Water Heaters company-wide.

Tankless installation

Sized to your fixtures and gas supply, vented and permitted to code. The unit hangs on a wall and frees the floor space a tank occupied, which closets and garages appreciate.

Repair and error-code diagnosis

We service every major brand and carry the common failure parts. Tankless units tell on themselves: the error code plus combustion readings usually name the problem before anything is disassembled.

Descaling and maintenance

Hard water scales heat exchangers; periodic descaling keeps efficiency up and failures down. Descaling is a service-port flush, roughly annual in hard water, and it is the difference between a 20-year unit and a 12-year one.

Honest tank-vs-tankless advice

Tankless isn't right for every home, so we price both and let you decide. Tankless wins on endless hot water, lifespan, and space. A standard tank still wins on upfront cost and simplicity. Which one wins for you depends on your house and habits, and we will actually tell you.

Pricing factors

What moves the price on tankless water heaters

Tankless pricing has two honest parts: the unit, and whether your home's gas, venting, and water lines are ready for it.

Retrofit or replacement

Swapping one tankless for another is simple. Converting from a tank means new venting and often a larger gas line, and that is where conversion quotes vary.

Gas supply sizing

A tankless burner draws several times the gas of a tank heater when running. If the existing line is undersized, upsizing it is part of the real price.

Flow demand

The unit is sized to simultaneous use: two showers and a dishwasher at once needs more capacity than a one-bathroom house.

Water quality prep

In hard-water areas a scale filter or conditioner protects the heat exchanger, and skipping it shows up later as a descaling habit or a warranty argument.

Offer details

Offers for Phoenix

Call to confirm availability, eligibility, and terms for the service address.

Google reviews

What Phoenix customers say

Eric and Nate came and changed out our water heater. Eric was prompt and efficient. Very professional. He explained everything very well and worked with us to address all our needs. We have worked with Elite Rooter in the past and everyone who has ever come to our home have always done a fantastic job... Very happy with the work Eric and Nate have done today.
We had a water heater failure and a lot of water damage to our home on Friday Dec 21st. The professionals (Erik) at Elite Rooter Plumbing... showed up as promised on Christmas Eve to install a new water heater and make our day by restoring hot water to our home. Couldn’t speak more highly of the kind professionals at Elite Rooter plumbing!

Where we work

Service area

Service availability varies by address. Call with the Phoenix service address so dispatch can confirm coverage before an appointment is scheduled.

See local details on the Phoenix plumbing page.

Questions before booking

Frequently asked questions

Do you offer tankless water heaters in Phoenix?

Coverage depends on the exact address. Share the Phoenix service address when you call or book so the team can check it.

Do tankless water heaters need maintenance?

Periodic descaling keeps a tankless unit efficient, especially in areas with hard water, and we service the major tankless brands.

Is a tankless water heater worth it?

If your household runs out of hot water or you're replacing an aging tank anyway, often yes: longer lifespan and endless hot water. We'll give you real numbers for your home rather than a generic pitch.

Will a tankless really give me endless hot water?

Endless in duration, limited in simultaneous flow. A properly sized unit will run a shower indefinitely, but three showers at once can outrun a small one. Sizing to your real usage is the whole game.

Schedule service

Get a clear answer from Elite Rooter Phoenix

319 E Watkins St, Phoenix, AZ 85004
(623) 469-4660
Mon-Fri 6am-6pm, Sat 7am-4pm
ROC 358482

Call (623) 469-4660