Tankless Water Heater Installation & Repair in Prescott
You want endless hot water, or your tankless unit is throwing an error code.
A tankless unit heats water as it moves, so it never runs out and never stores 50 gallons waiting to leak on your floor. The trade-off is that it is a piece of equipment with a burner, a heat exchanger and a control board, and it wants to be looked after.
In Prescott that means descaling. Hard water lays scale down inside the heat exchanger, and a scaled exchanger loses flow, then loses temperature, then throws a code. An annual flush is cheap. A replacement exchanger is not.
We install, service and descale on-demand units, and we will tell you before we quote whether your gas line and venting can actually carry one.
What this covers
- New on-demand installation, including gas line sizing and venting
- Conversion from a conventional tank to tankless
- Annual descaling and flush — the maintenance that decides the lifespan
- Error code diagnosis, ignition and flow sensor faults
- Recirculation loops for long runs to a far bathroom
What it costs
These are the ranges most jobs land in around Prescott, published so you can sanity-check anyone’s quote — ours included. They are not a quote. Depth, access, what is behind the wall and what the last plumber did all move the number, which is why the honest version of this is a range and not a headline price. You get a firm figure before we start work, and it does not change afterwards. Call (928) 308-7504.
| Diagnostic visitCredited against the work if you go ahead with the repair. | $75–$125 |
|---|---|
| New on-demand unit installedGas line upsizing and new venting are what push it to the top. | $3,500–$6,000 |
| Annual descale and flush | $200–$350 |
| Error code diagnosis and repair | $250–$900 |
Straight answers
Tankless heaters: straight answers
- Is a tankless water heater worth it in Prescott?
- It is if you size it correctly and commit to descaling it once a year. Our water is hard enough that a neglected tankless unit will underperform a plain tank heater within a few years.
- Can my gas line handle a tankless unit?
- Often not without a change. On-demand units pull far more BTU at peak than a tank does. We check the line size and the meter before quoting, not after.
Related work
Other jobs we take in Prescott
Water Heater Repair & Replacement
No hot water this morning, or a puddle under the tank.
Drain Cleaning & Clogged Drains
Water backing up in a sink, a tub, or every fixture in the house at once.
Sewer Line Repair & Replacement
Sewage backing up into the lowest fixture, or a wet patch in the yard that never dries.
Water Line Repair & Repiping
Pressure has dropped off, or there is a leak you can hear but cannot find.
Gas Line Installation & Repair
You smell gas, or you want a line run to a range, a grill or a fire pit.
Faucet, Fixture & Toilet Repair
A faucet that drips, a toilet that runs, a shower valve that will not shut off.
Backflow Testing & Prevention
Your annual backflow test is due and the water provider wants the paperwork.
Bathroom & Kitchen Remodel Plumbing
You are moving fixtures, and the plumbing has to move with them.
Need tankless heaters handled?
You will get one of us, not a call center. If we cannot get to you today we will say so on the phone rather than leave you waiting on a window that was never real.
When we are open
- Monday
- Open 24 hours
- Tuesday
- Open 24 hours
- Wednesday
- Open 24 hours
- Thursday
- Open 24 hours
- Friday
- Open 24 hours
- Saturday
- 6:30 AM – 9:00 PM
- Sunday
- Closed
2488 Blueridge Cir, Prescott, AZ 86301 · Licensed ROC 239872
Or leave your number
For anything that is not leaking right now. We call back.