Tankless is genuinely better technology, and it is not automatically the right purchase. It gives you hot water that does not run out and an appliance that lasts twice as long — in exchange for a higher install cost, possible gas and venting work, and a maintenance requirement that hard East Texas water makes non-negotiable rather than optional.
Napps Plumbing — Longview & East Texas since 1957
Installation, conversion, repair and the descaling that keeps one working properly in this water.
New systems and conversions from tank. The work that matters is gas supply sizing and venting, both of which are assessed before we quote rather than discovered on the day.
The one maintenance item tankless genuinely requires, and in water this hard it is not optional. Scale in the heat exchanger is the leading cause of tankless faults here.
Error codes, reduced flow, ignition faults and temperature swings. An overwhelming share trace back to scale or to a gas supply that cannot keep up.
A tankless unit draws far more gas than a tank when it fires. If the existing line cannot deliver it, the unit underperforms regardless of how good it is.
Softening or conditioning the incoming water reduces descaling frequency and protects the heat exchanger — the most expensive part of the appliance.
For high or highly variable demand — restaurants, salons and anywhere running out of hot water is a trading problem rather than an inconvenience.
We install a lot of these and we also talk people out of them. Here is the reasoning either way.
Hot water that does not run out, which is the reason most people want one and it is a real benefit for households where showers overlap or a large tub gets filled. Beyond that: a service life beyond twenty years against eight to twelve for a tank in this water, no standby loss from keeping fifty gallons hot around the clock, and a substantial amount of floor or closet space back.
Tankless Installation →The install is more involved. Tankless units fire at a much higher gas input than a tank, so the existing gas line is frequently undersized and needs upgrading, and venting requirements are different and stricter. Neither is a problem, but both are cost, and any quote given without checking them is a guess. There is also a short delay before hot water arrives at the tap, because the unit fires on demand.
Gas Line Installation →A tankless unit heats water by passing it through a compact heat exchanger, and hard water leaves scale on that exchanger every time it runs. Scale restricts flow, reduces output and eventually triggers error codes. In East Texas water this means descaling annually, not "when convenient", and most manufacturer warranties require documented service. Anyone selling you tankless here without mentioning this is doing you a disservice.
Tankless Repair →If you are moving within a few years, the payback period will not complete and a good tank is the better value. If your hot water demand is modest and predictable, the continuous-supply benefit is one you will rarely notice. And if the gas supply would need substantial upgrading for a household that does not need the capacity, we will usually say the money is better spent elsewhere.
Water Heater Installation →An honest comparison for this area.
| Tankless | Tank | |
|---|---|---|
| Hot water supply | Continuous | Limited by tank size |
| Service life | 20+ years | 8-12 years in this water |
| Install cost | Higher | Lower |
| Maintenance | Annual descaling essential | Annual flush advisable |
| Space used | Wall-mounted, compact | Floor or closet space |
| Best for | Long stays, high or variable demand | Shorter stays, steady demand |
Or call 903-758-6482 — 24/7
Survey first, because the gas and venting decide whether the quote is real.
How many fixtures might run at once, and at what temperature rise. That sets the unit capacity.
Line size, meter capacity and vent routing checked before quoting rather than discovered mid-installation.
Including what descaling will involve annually, so the running commitment is clear before you buy.
Set up, flow and temperature verified, and we show you the service valves that make descaling straightforward.
The case is strong in some households and weak in others.
We survey before we quote, and we tell you about the descaling before you buy rather than after.
Or call 903-758-6482 — available 24/7
These come straight from our Google Business Profile — unedited, and updated automatically as new reviews come in.
What Longview homeowners ask before going tankless.
They genuinely do not run out, because they heat water as it passes through rather than storing it. The limit is flow rate rather than volume: a correctly sized unit handles the fixtures your household actually runs at once, but demand beyond its rating means cooler water rather than no water. That is why sizing is done on simultaneous demand and temperature rise rather than on household size.
Annually in this area, and that is not a padded recommendation. East Texas water leaves scale on the heat exchanger every time the unit runs, and scale restricts flow, reduces output and eventually causes error codes. Most manufacturer warranties also require documented annual service. Softening the incoming water reduces how aggressive the build-up is but does not remove the need entirely.
Frequently, yes. A tankless unit fires at a far higher gas input than a tank does — it is heating water instantly rather than slowly — so a line that comfortably served a tank is often undersized. We check line size, run length and meter capacity as part of the survey, before quoting. A quote that has not checked this is not a firm number.
Typically twenty years or more, against eight to twelve for a tank in East Texas water. That longevity is a large part of the value case, but it assumes the descaling actually happens. A neglected tankless unit in hard water will not reach twenty years, and the heat exchanger is the most expensive component in it.
A short one, yes. The unit fires when it senses flow, so there is a brief moment before heated water reaches the tap, on top of the normal time for water to travel through the pipes. Most people stop noticing within a week. If it matters to you, a recirculation setup addresses it and is worth discussing at installation rather than adding later.
Usually, though it is rarely a straight swap. The water connections are straightforward; the gas supply and venting are where the work is. We survey both before quoting so the price you get is the price you pay. Conversions are typically a full day rather than the two to three hours a tank replacement takes.
Installation, water heater repair and water treatment each have their own page.
We survey the gas and venting before quoting, and explain the descaling before you buy.
Tell us how many people are in the house, whether showers overlap, and whether you have gas service. Those three decide most of the answer.
