
Tankless Water Heaters
If you’re tired of running out of or waiting for hot water, a tankless water heater may be the perfect solution. At Just Water Heaters, we provide professional tankless water heater installation for homeowners who want a more efficient, reliable, and space-saving hot water system.
Whether you want to replace an aging traditional water heater or install a tankless system in a new home, our licensed technicians ensure your new unit is installed safely according to local building codes. Call us today to schedule service or receive a free quote.
What Is a Tankless Water Heater?
Unlike traditional water heaters that store hot water in a large tank, tankless water heaters heat water only when you need it. As cold water flows through the unit, high-powered heating elements or gas burners quickly warm the water before it reaches your faucet, shower, or appliance.
Because they only operate on demand, tankless systems eliminate standby energy loss, making them one of the most energy-efficient water heating options available.

Benefits of a Tankless Water Heater
Many homeowners choose tankless systems because they offer numerous advantages over conventional water heaters.
Endless Hot Water — With a tankless unit, you don’t have to worry about running out of hot water during a long shower or while multiple appliances are operating. A properly sized system provides you with hot water whenever you need it.
Lower Energy Costs — Since tankless water heaters only heat water when you need it, they typically consume 30% to 45% less energy than standard units, which can help reduce monthly utility bills.
Longer Equipment Life — Most tankless water heaters have a lifespan of 15 to 20 years or more with proper maintenance, while traditional tank models typically only last eight to 12 years.
Compact Design — Tankless units are mounted on a wall, freeing up valuable storage space in garages, utility rooms, basements, and closets.
Reduced Risk of Water Damage — Since a tankless system has no large storage tank, you don’t have to worry about leaks or significant flooding inside your home.
Cleaner Water — Because water isn’t stored in a tank for long periods, there’s less opportunity for rust, sediment, and corrosion to affect water quality.
Our Tankless Water Heater Installation Services
Whether you’re building a new home or upgrading your current water heater, we’ll help you select the right system based on your household size, hot water demand, fuel source, and budget.
Our installation services include system sizing, removal of the existing water heater, gas or electric connections, water line installation, venting installation or upgrades, pressure and safety testing, and system startup and testing.
We will ensure your new tankless water heater operates safely, efficiently, and reliably from day one.
TESTIMONIALS
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Should You Switch to a Tankless Water Heater?
A tankless system may be an excellent investment if you frequently run out of hot water, want to reduce your energy usage, need more storage space, or want to take advantage of available rebates.
Idaho Intermountain Gas offers a $325 rebate for residential tankless water heaters that have a minimum efficiency rating of 0.91 UEF.
Our technicians can evaluate your home’s plumbing system and help determine whether a tankless system is right for you.
Keep Your Water Heater Working with Annual Maintenance
Routine maintenance can help extend the life of your system and maintain maximum efficiency.
We can remove mineral buildup, clean filters, and inspect venting and water lines. We can also flush heat exchangers, inspect burners, check electrical connections, test safety devices, and verify gas pressure.
Annual maintenance is especially important in homes with hard water, as mineral buildup can significantly reduce efficiency and damage internal components over time.
Why Do Homeowners Choose Just Water Heaters?
Our licensed and experienced technicians take pride in providing exceptional service and going above and beyond for our customers. We provide quality workmanship, honest recommendations, upfront pricing, and reliable units. Gus Brookshier is also the only Navien tankless water heater-certified technician in the Idaho Falls area.
Our goal is to provide long-lasting solutions — not temporary fixes.
Schedule Your Tankless Water Heater Service Today
Whether you need a new installation, emergency repairs, annual maintenance, or a complete replacement, the Just Water Heaters team is ready to help. We’ll make sure you never have to struggle to have a hot shower or clean dishes.
Contact us today for a free estimate or to schedule service in the Eastern Idaho area.
FREQUENTLY ASKED QUESTIONS
General Questions Asked by Customers
Can a tankless water heater supply an entire home?
Yes, but proper sizing is essential. We calculate your home’s peak hot water demand to recommend the correct unit.
Can I replace my traditional water heater with a tankless model?
Yes. Many homeowners upgrade from a conventional tank water heater to a tankless system. The installation may require modifications to gas lines, electrical service, venting, or plumbing connections, depending on your home’s existing setup.
Can a tankless water heater increase my home’s value?
Many homebuyers appreciate the energy savings, long lifespan, and modern convenience of tankless water heaters. While every real estate market is different, installing one can be an attractive feature for potential buyers.

