Wall-mounted tankless water heater with service valves and PVC venting in a garage

Tankless Water Heater Installers in Boise, Idaho

Enjoy continuous hot water with a Navien tankless system, sized and installed for your Boise home by our licensed plumbing crew. We install and service tankless systems across Boise, Meridian, and Nampa.

  • 4.9 starsGoogle reviews

  • 074153Idaho plumbing license

  • 1-yearworkmanship warranty

  • Freeon-site estimate

Plumber servicing a wall-mounted tankless water heater in a laundry room

When Tankless Is Worth Considering

If your household plans showers around the water heater, it may be time to consider another setup.

  • Your Hot Water Runs Out Quickly

    Back-to-back showers leave someone in the house with cold water.

  • It's Time to Replace Your Tank Anyway

    Your current heater is nearing replacement, so you are comparing options.

  • You Want Extra Space

    A wall-mounted unit can free floor space if the location suits it.

  • Slow Hot Water at Distant Faucets

    A recirculation loop can cut the wait with a tank or tankless heater.

Tankless Water Heater Installation and Service

How a Tankless Water Heater Works

Water passes through the unit's heat exchanger and heats on its way to the fixture, so back-to-back showers do not empty a stored supply. Every unit has a maximum flow rate, and incoming water temperature affects how much hot water it can deliver. We size your system around the showers, faucets, and appliances you are likely to use together.

Navien Tankless Installations

Navien is the tankless brand we install, so its parts, maintenance, and warranty process are familiar. We assess the gas supply, venting, water connections, and service access before installing. Our work carries a one-year workmanship warranty, separate from Navien's equipment coverage. Ask us about Wisetack financing for your installation.

Recirculation Reduces the Wait at the Tap

The Navien NPE-A2 we install has a built-in recirculation pump and a small buffer tank. For a dedicated loop, we add a return line under the house. Recirculation gets hot water to the tap sooner, while tankless keeps it flowing. A pump can also go on a tank system, and switching to tankless alone does not shorten the wait.

Repair, Service, and Descaling

We service the systems we install and tankless units already in your home. Tell us about cold water, changing temperatures, or error messages, and we inspect before recommending work. Descaling flushes mineral buildup from the heat exchanger on a schedule set by the manufacturer's guidance, your water, and your use. We can also discuss a water softener.

What Happens When You Call

Before the visit, think about when you run out of hot water and which fixtures run together. If your main concern is the wait at a distant bathroom, mention that too.

  1. Call or Book Online

    Call 208-789-0777 or book online, and tell us about your heater and what to change.

  2. Free Estimate on Site

    We assess gas supply, venting, mounting space, and water lines before quoting the job.

  3. Our Install, Explained

    We explain the mounting, connections, and any recirculation work as installation proceeds.

  4. Walkthrough and Warranty

    We show you the controls, explain maintenance, and review your workmanship warranty.

What Decides the Price of a Tankless Installation?

We assess your setup and any upgrades during a free on-site estimate, because four factors decide the work involved.

  • Gas Line Capacity. Your existing gas line may need an upgrade to supply the new unit.
  • Venting. The location sets the vent route, its length, and whether walls or ceilings need opening.
  • Recirculation. A dedicated recirculation loop requires a return line under the house.
  • Existing Equipment and Connections. Removing the old heater, mounting the new unit, and adapting lines all affect the work.
Tankless water heater intake and exhaust vents on the stucco wall of a Boise home
Showerhead clogged with white mineral scale

Hard Water and Your Heat Exchanger

If you see white buildup on faucets or film on shower glass in your Boise, Meridian, or Nampa home, hardness minerals may also be collecting inside your water heater. In a tankless system, water passes through the heat exchanger whenever hot water runs, so we explain descaling and whether a softener belongs upstream. Softening keeps minerals out, and descaling removes buildup already inside.

Tankless Water Heater Questions

Are Tankless Water Heaters Worth It?

Tankless can be worth considering if you want continuous hot water and a smaller footprint, and are prepared for the installation and maintenance it requires. It avoids running out of stored hot water, but simultaneous demand must stay within the unit's capacity. Installation may involve gas and venting changes, and the heat exchanger needs scheduled service. We assess those tradeoffs for your home.

Tankless or Tank: Which Should I Put In?

Choose tankless if continuous hot water and floor space are priorities; consider a tank if stored capacity already meets your needs and a simpler installation matters more. The wait at a distant faucet is a separate question. Either type can use recirculation to reduce that wait. We compare your household's demand and existing connections before recommending which setup makes sense.

How Long Does a Tankless Water Heater Last?

A tankless water heater can last around 20 years, but its actual lifespan depends on water quality, usage, installation, and maintenance. That is a general expectation, not a guarantee for a particular unit. Scale buildup can affect performance and service life, so descaling matters where the water is hard. We explain the maintenance requirements for the system installed in your home.

How Much Does a Tankless Water Heater Installation Cost?

The installation cost depends on gas supply, venting, recirculation piping, and the work needed to remove or adapt the existing setup. A suitable mounting location alone does not tell us the full scope. The price factors above explain what we assess during a free on-site estimate. You receive a quote after we have inspected the home and explained the recommended work.

Why Do You Only Install Navien?

We install Navien because using one tankless brand keeps its parts, maintenance requirements, and warranty process familiar to our crew. The NPE-A2 system also has a built-in recirculation pump, which supports the dedicated loops we install. We explain how those features apply to your home rather than assuming every household needs the same setup.

Let's Talk About Switching to Tankless

Tell us what you want to improve about your hot water. We will assess your home, explain what the install involves, and provide a free on-site estimate.

Howe Plumbing service van with the company logo and phone number
Emergency? Call 208-789-0777