Tankless Water Heater Repair & Installation in Tigard, Oregon
A tankless water heater heats water on demand instead of keeping 40–50 gallons hot around the clock. The result: endless hot water, lower energy bills, and a unit that lasts twice as long as a standard tank. True Flow Plumbing PDX installs and services tankless units throughout Tigard.
Tankless Water Heater Service in Tigard
Tigard homeowners replacing aging water heaters increasingly ask about tankless at the point of replacement. The 1970s–1980s homes that dominate Tigard often have water heaters in garages or utility rooms — tankless units mount to the wall and free up floor space. Bull Mountain and Progress Ridge homes tend to have larger households that benefit most from the unlimited hot water supply.
🔥 Gas Tankless Installation
Whole-home gas tankless units from Navien, Rinnai, and Rheem. We assess your gas line capacity and venting options before recommending a unit sized for your household's actual demand.
⚡ Electric Tankless
Point-of-use electric tankless units for single fixtures — ideal for a bathroom addition, garage, or workshop where running a full gas line doesn't make sense.
🔧 Tankless Repair & Service
Error codes, ignition failures, cold water sandwiches, and mineral scale buildup in the heat exchanger — we diagnose and repair all major tankless brands.
🧹 Annual Descaling
Mineral buildup in the heat exchanger is the #1 cause of tankless unit failure. Annual descaling keeps the unit running at full efficiency and extends its 15–20 year lifespan.
🔩 Gas Line Upgrades
Most whole-home tankless units need a larger gas supply line than a standard tank heater. We handle the gas line upgrade as part of the installation — no separate contractor needed.
🏠 Tank-to-Tankless Conversion
Replacing a failed or aging tank water heater is the most common moment to go tankless. Same labor, better result. We handle the full conversion including venting changes.
Tankless vs. Tank: What Actually Matters for Tigard Homeowners
- Endless hot water — a tankless unit never runs out, no matter how many showers you take back to back
- 20–30% lower energy costs — you only heat water when you use it, not 24/7
- 15–20 year lifespan vs. 8–12 years for a standard tank
- Wall-mounted — frees up floor space in utility rooms, garages, and closets
- No standby heat loss — tank heaters constantly reheat water that sits and cools
- Higher upfront cost — typically $2,300–$4,300 more than a tank replacement installed
Signs It's Time to Consider Tankless in Tigard
- Your household regularly runs out of hot water — especially with multiple bathrooms
- Your current tank water heater is 10+ years old and needs replacement anyway
- You want to reduce your energy bill and your current heater is a major consumer
- You're finishing a basement or adding a bathroom and need more hot water capacity
- Your utility room is cramped and a wall-mounted unit would free up valuable space
Tigard Neighborhoods We Serve
Tankless Repair, Service & Descaling in Tigard
Tigard and Bull Mountain have a particular tankless profile: large newer homes, a lot of bathrooms, and households that run several of them at once. Most of the calls we take here are about capacity and recovery rather than outright failure. Tigard now draws Clackamas River water through the Lake Oswego–Tigard partnership, which is moderate rather than punishing on scale.
Not enough for the whole house at once
A River Terrace or Bull Mountain home running two showers and a laundry will out-demand a unit that was sized for a smaller floor plan. Nothing is broken. The heater is simply being asked for more gallons per minute than it makes, and the fix is sizing or a second unit, not a repair.
The cold slug between draws
Turn the tap off, turn it back on a minute later, get a shot of cold. Common on long runs to a Summerfield or Metzger back bathroom. A recirculation loop solves it; a repair will not, because nothing is faulty.
Descaling
Clackamas River supply is kinder than groundwater but scale still accumulates, and the warranty on most units assumes annual service. Skipping it is the most common reason a tankless underperforms years before it should.
Error codes
Tankless units diagnose themselves and display a code. Having it ready when you call shortens the visit considerably.
Venting and combustion
Worth checking on any unit that keeps faulting without an obvious trigger. Improper venting reads as a comfort problem and is actually a safety one.
What Tankless Repair & Service Costs in Tigard
Repair and annual descaling are billed as labor plus parts, separately from installation. Estimates are free.
- Mon–Fri, 8am–4pm — $185/hour + parts & materials
- Mon–Fri, before 8am or after 4pm — $462.50 minimum (call-out + first hour), then $185/hour
- Saturday & Sunday, all day — $462.50 minimum (call-out + first hour), then $185/hour
If your gas supply cannot carry the unit’s BTU demand, no repair to the heater fixes it — that is a supply-line job. See gas line repair in Tigard →.
Frequently Asked Questions
How much does tankless installation cost in Tigard?
A whole-home gas tankless installation in Tigard typically runs $4,000–$6,000 depending on the unit, existing gas line size, and venting requirements. This is more upfront than a standard tank replacement, but most homeowners recover the difference in energy savings within 3–5 years. We provide a written estimate before anything starts.
Will a tankless unit work in my Tigard home?
Most Tigard homes with natural gas can support a whole-home tankless unit. The key question is whether your existing gas line has enough capacity for the BTU demand. We assess your current setup before recommending a unit — we won't sell you a system that can't keep up with your household.
What brands do you install in Tigard?
We primarily install Navien, Rinnai, and Rheem — all three have strong warranties and reliable parts availability in the Portland metro. We'll explain the trade-offs between brands honestly based on your home's setup and your budget.
How long do tankless water heaters last in Tigard?
Gas tankless units typically last 15–20 years with annual maintenance — roughly double the lifespan of a standard tank. Annual descaling of the heat exchanger is the most important maintenance step and keeps the unit running at full efficiency.
Also see: Tank Water Heater Tigard → | Leak Detection Tigard → | Emergency Plumber Tigard → | Gas Line Repair Tigard → | Faucet Repair Tigard →
Ready to Go Tankless in Tigard?
We'll assess your home, recommend the right unit, and give you a written estimate. No pressure, no upsell.