Boise, IdahoEst. 1988
Tankless conversion that still works in an Idaho winter.
Tankless is not a drop-in. Gas line size, venting, and freeze protection decide whether it actually works in an Idaho winter. We load-calculate the house, upgrade the gas if it needs it, and install a unit that still lights when it is five degrees at 6 a.m.
5.0350+ Google reviews
Dual tankless — high demand, one wall
Single tankless with whole-house treatment
What tankless water heater conversion actually looks like in Boise.
Thirty-five years under Treasure Valley houses. The conditions here are not the ones in a national plumbing blog.
Cold inlet water changes the math
Groundwater here comes in colder than the catalog charts assume. A unit sized for a Phoenix house will short-cycle or run lukewarm in a Boise January. We size for actual inlet temperature, not the brochure.
The gas line is usually the real job
Most tank-to-tankless conversions in this valley need a larger gas supply. If someone quotes a tankless swap without looking at the meter and the pipe size, they are guessing. We measure first.
Hard water will scale a heat exchanger
A tankless without treatment in Treasure Valley water is a service call waiting two years. We will talk through a softener or a dedicated scale stopper with the install, not after the error code starts blinking.
How the job actually goes
- 01
Load calculation
We count fixtures, measure inlet temperature, and check gas capacity so the unit is sized for this house in this climate.
- 02
Gas and venting
Upsize the gas line if it needs it, set the venting to the manufacturer and to code, and place the unit where freeze is not a surprise.
- 03
Commission and register
Fire it, set temperatures, walk you through the filter and flush, and register the warranty so you actually have one.
What's included
04 items- 01Load calculation & proper sizing
- 02Gas line upgrades if needed
- 03Manufacturer warranty registration
- 04Maintenance guidance included
Sound familiar?
- Growing families needing more hot water
- Homeowners wanting lower energy bills
- Limited mechanical room space
Tankless Water Heater Conversion questions we get in Boise.
- Is tankless worth it in Boise?
- It is if you want continuous hot water, are tight on space, or are already opening up the mechanical room. It is not automatically cheaper to run, and the install costs more than a tank because of gas and venting. We will run both numbers before you decide.
- Will it freeze?
- Indoor units with proper power and freeze protection are fine. Outdoor units in this climate need a freeze kit and a location that is not a wind tunnel. We will not hang one on a north wall in January and hope.
- How long does a conversion take?
- A day or two for a straightforward indoor swap with an adequate gas line. Longer if we are upsizing gas or relocating the unit. You will know which before we schedule the work.
- Do I still need a water softener?
- In this valley, yes, or at least a scale-prevention device on the tankless. Hard water is the main reason we see tankless heat exchangers fail early.
Boise & the Treasure Valley
Need tankless water heater conversion today?
Tell us what is going on. We will tell you honestly when we can be there and what it is likely to cost.