Endless hot water on demand

Tankless water heater installation done by certified installers

No more running out of hot water mid-shower. A properly sized tankless system delivers hot water on demand, takes up a fraction of the space, and can last twice as long as a traditional tank.

Navien & Rinnai authorized Up to 40% lower energy bills Space-saving wall mount Upfront flat-rate pricing
Call (480) 255-7325
Two tankless water heaters installed with copper piping
11.2 gallons per minute

Enough hot water for 3 showers and a washing machine running at the same time, on a single Navien NPE-240A2 unit.

Unlimited on-demand hot water engineering

Traditional 50-gallon tanks burn gas or electricity to keep water hot 24/7. A gas tankless unit ignites instantly when a faucet opens.

Navien NPE-240A2 condensing technology

Dual stainless steel heat exchangers with a built-in recirculation pump deliver hot water to distant faucets in seconds.

Complete gas & venting retrofitting

We handle gas line sizing, PVC intake/exhaust penetration, electrical outlets, and condensation drain lines for a turn-key install.

Valuable space savings

Free up over 12 square feet of garage or utility closet floor space by mounting the unit neatly on an exterior wall.

Why East Valley homeowners are switching to tankless

Endless hot water

No more waiting for a tank to reheat between showers or loads of laundry.

Up to 34% more energy efficient

Heats water only on demand instead of keeping a tank hot around the clock.

Frees up floor space

Compact wall-mounted units replace a bulky 40–50 gallon tank.

Longer lifespan

Typically lasts 15–20 years versus 8–12 for a standard tank.

Three electric tankless water heaters installed with a copper manifold
Multi-unit installs

Sized for larger households

For bigger homes or higher simultaneous demand, we can stage multiple units on one manifold.

Tankless water heater installation in Mesa

A tankless water heater heats water only when you use it, so it never runs out and takes up far less space than a tank. In a hard water area like Mesa, tankless units need proper installation and regular descaling to perform well, which is why the installer matters as much as the unit.

We size the heater to your household, check your gas line, venting and electrical needs and install to code. You get a flat-rate price before work starts, and we explain how to maintain the unit for a long life.

Signs you need a tankless water heater

  • Your tank heater is over 10 years old or leaking.
  • You run out of hot water when more than one fixture is in use.
  • Energy bills for water heating are rising.
  • You want to free up space in a closet or garage.
  • You are remodeling and want a long-lasting upgrade.

What affects the cost of tankless water heater installation in Mesa

Tankless installation costs more up front than a tank replacement, but it can save energy and last longer. The price depends on your home.

  • Unit capacity. Larger households need higher-capacity units.
  • Gas line size. Tankless units need more gas flow, so the line may need upgrading.
  • Venting. New venting through a wall or roof adds labor and materials.
  • Water treatment. A softener or filter protects the heat exchanger from scale.

How our tankless installation works

  1. Assess. We check your demand, gas line, venting and electrical.
  2. Quote. We recommend a unit and give a flat-rate price.
  3. Install. We remove the old heater and install the new one to code.
  4. Commission. We test, set temperature and explain maintenance.

Licensed, bonded and insured (ROC #365138). Call (480) 255-7325 or request your free estimate.

Frequently asked questions about tankless water heaters

Honest facts on fuel sources, upfront costs, and recirculation in Mesa.

Yes. Modern high-capacity 199,000 BTU gas tankless units, such as the Navien NPE-240A2, deliver up to 11.2 gallons per minute, easily running 3 showers and a washing machine simultaneously.

We generally recommend gas tankless units for whole-house applications. Whole-house electric tankless units require 3 to 4 double-pole 40-amp circuit breakers, often necessitating costly electrical panel upgrades.

Built-in recirculation uses an internal pump and a dedicated or crossover line to keep hot water looping through your home’s pipes, giving you instant hot water without waiting.

Converting from a traditional tank to a new wall-mounted gas tankless unit typically takes 4 to 6 hours for a complete, code-inspected installation.

Rheem & Navien certified installers

Ready to upgrade to tankless?

We’ll size the right unit for your household and give you a flat-rate installation quote upfront.