Water Heater Repair & Replacement in Eugene, OR

Permits Required

Oregon requires a plumbing permit to replace a water heater, and the City of Eugene (541-682-5505) issues plumbing permits for Eugene addresses. We pull the permit and schedule the inspection as part of every job.

2026 Oregon Plumbing Code

The 2026 Oregon Plumbing Specialty Code took effect October 1, 2026. Every installation we do in Eugene is installed and inspected to the current edition.

Seismic Strapping

Oregon Plumbing Specialty Code Section 507.2 requires water heaters to be anchored or strapped to resist earthquake movement. We strap with approved materials, washers at every connector, and fasteners set into framing or concrete.

Thermal Expansion

Homes on a closed system — typically those with a check valve or pressure-reducing valve on the service line — need thermal expansion protection under OPSC 608.3. Under the 2026 code, expansion tanks must be secured to the structure, not hung from the piping.

Relief Valve Discharge

The temperature and pressure relief valve must discharge through a properly sized line to an approved location (OPSC 608.5). It is one of the most common corrections inspectors flag on replacements.

Drain Pans

Where a pan is installed, the 2026 code requires its drain piping to be rated for the water heater’s temperature. On a straight replacement in an existing home, whether a new pan is required is up to the inspector.

Gas Venting & Combustion Air

Gas units need correctly sized venting and adequate combustion air. A larger or higher-input replacement often needs vent changes, and we check this before quoting.

Licensed in Oregon

Fast Water Heater Co. is licensed with the Oregon Construction Contractors Board, CCB #168049. Verify at Oregon CCB.

Emergency Same-Day Service

Encounter a leaking or cold water heater? Call us by noon for same-day service. Our team is ready to assist from 7 a.m. to 8 p.m., Monday to Friday, and 8 a.m. to 5 p.m. on weekends, without extra charges.

Expertise in Water Heater Solutions

Comprehensive services: specializing in repair, replacement, and installation of electric, gas, tank, tankless, and hybrid heat pump systems. We provide free estimates and no trip fees.

Free Estimates, No Trip Fees

We offer hassle-free, free estimates, setting us apart from typical plumbing companies.

No Extra Weekend Charges

Understanding that emergencies don’t stick to weekdays, we provide seven-day service without additional weekend fees.

Prepared Technicians

Our certified technicians, backed by extensive experience, ensure reliable service. For a smoother process, locate your water heater model and serial number beforehand.

Water Heater Repair

No hot water, a leak, a pilot that won’t stay lit, or a tripping breaker. We diagnose gas, electric, tankless and heat pump units and tell you whether a repair is worth it before any work starts.

Water Heater Replacement

A standard tank-to-tank swap typically takes 2 to 3 hours once we arrive. Every replacement includes the City of Eugene permit and an install to the 2026 Oregon code: seismic strapping, thermal expansion protection where required, and a properly routed relief valve line.

Tankless Water Heaters

Tankless retrofits that need new venting or a larger gas line run 6 to 8 hours. Eugene’s soft McKenzie River water is easy on heat exchangers, but we still recommend periodic descaling to protect the warranty.

Heat Pump Water Heaters

Heat pump conversions take 4 to 6 hours, including electrical and condensate work. EWEB offers its customers a $1,100 rebate or a 0% loan up to $2,500 on a qualifying heat pump water heater.

Age of the Unit

ENERGY STAR suggests considering replacement once a tank water heater is more than 10 years old, and puts tankless life expectancy at 20 years. Near those ages, a major repair is rarely worth the money.

Where the Leak Is

Water coming from a fitting, valve or relief line can usually be fixed. Water coming from the tank itself means the tank is failing, and that cannot be repaired.

Parts We Commonly Replace

Thermocouples and flame sensors, gas control valves, heating elements and thermostats, anode rods, and relief valves can all be replaced on a heater that is otherwise sound.

Warranty Coverage

Find the model and serial number on the rating label. If the tank or a part is still under the manufacturer’s warranty, that can change the math.

Eugene Water

Eugene’s McKenzie River supply is very soft at about 17 mg/L. Flushing a tank and descaling a tankless unit on a regular schedule is still the cheapest way to get the full service life.

EWEB — Heat Pump Water Heaters

EWEB offers its electric customers a $1,100 rebate or a 0% loan of up to $2,500 on a qualifying heat pump water heater. EWEB runs its own program, so Energy Trust’s electric offer does not apply to EWEB customers. Confirm current terms with EWEB before you buy.

Energy Trust of Oregon — Gas Tankless

Energy Trust has offered up to $400 for an ENERGY STAR gas tankless water heater that replaces a gas storage tank. NW Natural customers get the same Energy Trust incentive, not a second one. Amounts change, so confirm the current offer before you buy.

Who Qualifies

Eligibility follows your utility, not your city. Inside Eugene, electricity comes from EWEB and gas from NW Natural, which is served by Energy Trust. Homes outside EWEB territory should check with the utility named on their bill. Incentives are subject to funding and can change.

Federal Credits Have Ended

The federal 25C energy-efficient home improvement credit does not apply to equipment placed in service after December 31, 2025, so a water heater installed in 2026 does not qualify. Oregon’s federally funded Home Energy Rebates are not yet available to homeowners. See our rebate guide.