New Tankless Installation
Sizing, gas line upgrade, venting, mounting, and full system commissioning for new construction or remodels.
- Indoor or outdoor units
- Code-compliant venting
- Manufacturer warranty registered
Endless hot water, lower bills, more garage space. We install, service, and convert tankless water heaters across the East Valley.

A tankless water heater only fires when you ask for hot water, so you stop paying to keep 50 gallons hot 24 hours a day. The reward is endless hot water, smaller bills, and a wall-mounted unit instead of a giant tank in your garage.
Water Pros Plumbing & Drain installs and services Rinnai, Navien, Noritz, and other major brands. We size your unit based on your real flow rates, not a guess, so you actually get the performance you paid for.
If any of these sound like your house, a tankless system is probably going to make your life better.
Replacing a dying tank is the perfect moment to upgrade to tankless.
Big family or back-to-back showers leave the last person cold.
Standby losses from a tank water heater quietly add up every month.
Once a tank leaks from the body, it is done. Switch to tankless instead of replacing like-for-like.
Modern tankless units offer Wi-Fi, recirculation, and precise temperature control.
Tankless units mount on the wall and free up your entire utility closet or garage corner.
A bad tankless install causes more problems than it solves. Wrong gas line size, undersized unit, sloppy venting, no recirculation, and you end up disappointed in your investment.
We do tankless every week. We size correctly, upgrade gas and venting where needed, and set up recirculation if you want hot water at the tap fast.

From new construction to replacing an old tank with a sleek wall-mount unit, we cover the full lifecycle.
Sizing, gas line upgrade, venting, mounting, and full system commissioning for new construction or remodels.
Swap your aging tank water heater for a tankless system. We handle the gas, venting, and recirculation work.
Hard water in the East Valley scales tankless units fast. Annual descaling keeps yours running at full output.
Going tankless is a real upgrade. Here is how we make it smooth.
We measure your flow demand, check gas line and venting, and recommend the right unit for your home.
Flat-rate quote covering the unit, install labor, and any gas or venting upgrades. No surprises.
Old tank removed, new unit mounted, gas and water lines tied in, venting completed, recirculation if requested.
Full system test, walkthrough of the controls, warranty registered, and you have hot water on demand.
Sizing, gas, and venting are everything in a tankless install. We do them right the first time.
Meet the family behind Water ProsMost jobs handled the same day you call.
Fully licensed in Arizona. AZ ROC #323563.
Most repairs handled in a single visit.
Flat-rate quotes before any work begins.
Quick arrival across the East Valley.
Local family business you can trust.
Still have a question? Give us a call and a real person will walk you through it.
Call (480) 459-4424It depends on the unit and what gas or venting work is needed. Most full conversions land in a defined range and we always quote flat-rate before any work.
Yes. Tankless eliminates standby losses, so most homeowners see a meaningful drop in their gas or electric bill compared to a 50-gallon tank.
Properly sized and maintained tankless heaters last 20+ years, roughly double a tank water heater.
Yes, especially in the East Valley. Hard water scales the heat exchanger, so we recommend an annual descale to keep efficiency up.
Yes. We can add a recirculation line so hot water is ready at the tap without the wait, with no waste.
Almost always, when sized correctly. We measure your real flow demand instead of guessing, which is the most common mistake other installers make.
Schedule a free quote and we will help you pick the right tankless system for your home and your budget.