Tankless Water Heaters // East Valley, AZ
Your water heater is on borrowed time.
Most tanks quit between year 8 and year 12, usually all at once, usually on a weekend. Replace it on your terms and get hot water that never runs out.
Free assessment
Find out what tankless costs for your house.
How old is your water heater?
No obligation. You approve the price before any work starts.
“Outstanding plumbing company. If you're looking for an honest plumber, look no further.”
- Free upgrade assessment. We tell you straight if tankless actually fits your house.
- Upfront price, approved before we start. 0% financing for qualified homeowners.
- Licensed, bonded and insured under Arizona ROC #356064.
- 10% off your install, up to $1,000.
What we install
This is the whole thing. On a wall.
A Navien tankless unit, roughly the footprint of a carry-on, mounted where nothing used to fit. It heats water as it passes through, so there is no tank to run dry, no tank to fill with sediment, and no tank to rupture.
- Every install gets our service tag with the date and warranty on it
- We haul the old tank away the same day
- Licensed, bonded and insured under Arizona ROC #356064


The old tank leaves in our van the same day. You do not have to deal with it.
Years in Arizona
Google rating
Homes served
Finance with 0% interest.
Spread the cost of any project. Just ask.
Read the room
Six signs your tank is about to make the decision for you.
If two or more of these sound familiar, you're not shopping early. You're shopping right on time.
It's 8 or more years old
Most standard tanks are built to last 8 to 12 years. After that you're running on luck, and they almost never fail politely.
Rusty or cloudy hot water
Brown, metallic-tasting hot water usually means the tank is corroding from the inside out.
You run out mid-shower
A tank that used to handle back-to-back showers and now can't is losing capacity to sediment buildup.
Popping or rumbling sounds
That's hardened sediment sitting on the burner surface. It wrecks efficiency and cracks the tank lining.
Any moisture at the base
Water pooling around the tank isn't a drip you keep an eye on. It's the last warning before it lets go.
A climbing gas or power bill
A struggling tank reheats the same 50 gallons around the clock, whether anybody's home or not.
The upgrade
Why homeowners don't go back to a tank.
Tankless isn't right for every house, and we'll tell you if yours is one of them. When it does fit, this is what changes.
Hot water that doesn't run out
Water heats on demand as it moves through the unit. Back-to-back showers with the dishwasher going, and it keeps up.
You get your garage back
The unit mounts on the wall in roughly the footprint of a carry-on. The 50-gallon cylinder goes away.
Around double the service life
Tankless units commonly run 20 years or more with routine descaling, against 8 to 12 for a standard tank.
Lower standby losses
The U.S. Department of Energy puts tankless at 24 to 34% more energy efficient than storage tanks in homes using up to 41 gallons a day.
No 50 gallons on your floor
There's no stored reservoir to rupture, so the most expensive water heater failure mode stops being possible.
Upfront pricing, financing available
You approve the number before we start. Qualified homeowners can finance at 0%. Ask when you book.

Meet Josh · Founder
An Arizona native who built this company on a handshake's worth of trust.
After serving the Phoenix area for over 18 years, Josh started Yellowstone Plumbing & Drains to bring a higher level of integrity and personal care to his community, built on honesty, kindness, and compassion.
He treats every customer like family: listening carefully, giving honest advice, and handling each job with care and transparency. He's here to keep your home safe and comfortable, not just to fix pipes.
“When you call Yellowstone, you're getting a neighbor who truly cares about your peace of mind.”
Real customers · Real homes
The reviews do the talking.
I'd give six stars if I could. Josh was professional, clean, great communication, and did a great job fixing everything at my house. I got automatic notifications when he was on the way and he even sent me a video of him locking up when he left. Will absolutely use Yellowstone again!
— Nathan Cox
Outstanding plumbing company. If you're looking for an honest plumber, look no further. Excellent communication and very friendly service. I highly recommend Josh and his Yellowstone company for all your plumbing and drain needs.
— Chad Hutchins
Josh is one of those rare business owners who combines deep expertise with genuine kindness. He listens, he cares, and he always puts his clients first. If you're looking for someone who truly values the people he serves, Josh is your guy!
— Kirsten Johnson
Very easy to work with, great follow-up and communication. They looked at alternative solutions when I told them my goal, and came a day earlier when something opened up. Two half-day jobs, both completed and perfectly done.
— Greg Melin
Josh was on time and did a wonderful job. Cleaned up everything afterward and answered every question I had. A very responsible plumber. Highly recommend.
— Joan Stern
We've used Josh and Yellowstone for plumbing emergencies and his team is second to none. Always friendly, fairly priced, and the response time is excellent. Thank you Josh and team!
— Best Option Restoration
Straight answers
Tankless questions we get every week.
How much does a tankless water heater cost to install?
It depends on your gas line, your venting, and where the current unit sits, which is exactly why we look at it before quoting. You get one upfront number and you approve it before any work starts. No hourly surprises.
Can my house even take a tankless unit?
Most East Valley homes can, though not all of them without changes. Gas supply and venting are the two things that decide it. That's the first thing we check on the free assessment, and if a high-efficiency tank is the smarter buy for your house, we'll say so.
How long does the install take?
A straightforward swap is usually a single day. If the gas line or venting needs upsizing it runs longer. You'll know which one you're looking at before you commit to anything.
Do tankless units need maintenance?
Yes. Arizona's hard water means descaling actually matters, and skipping it is the main reason a tankless unit starts underperforming. We'll show you the schedule, or we can just handle it for you.
My tank still works. Why replace it now?
Because a planned replacement costs less than an emergency one. When a tank ruptures you're paying for water damage, drywall, and whatever was sitting on the garage floor. None of that shows up on a quote you chose to get.
What areas do you cover?
Gilbert, Chandler, Queen Creek, Mesa, Tempe and the surrounding East Valley. Licensed, bonded and insured under Arizona ROC #356064.
Replace it on your terms.
Free assessment and upfront pricing, with a real Yellowstone plumber on the phone in about ten minutes. Serving Gilbert, Chandler, Queen Creek, Mesa and Tempe.
