Tankless Water Heater Repair
Error code on the display or cold water mid-shower? We diagnose and repair the same day.
About our tankless water heater repair service
Most tankless faults come down to four things: scale in the heat exchanger, a dirty flame rod, a stuck flow sensor, or a venting restriction. Our technicians read the error code, confirm it with combustion and flow readings rather than guessing, and carry the common Navien, Rinnai, and Noritz parts on the truck.
Scale is the enemy here, and it arrives faster on the well water common through Essa, Springwater, and the rural stretches of Oro-Medonte than it does on municipal supply in Alcona or Bradford. A unit descaled annually will outlast one that never is by years. When we get a mid-shower cold sandwich call, it is scale, a fouled flame rod, or a flow sensor sticking, and we confirm which with live readings before opening the heat exchanger.
What's included
- Error code diagnosis backed by combustion and flow testing
- Full descale service for hard-water damaged heat exchangers
- Igniter, flame rod, flow sensor, and control board repairs
- Same-day appointments, evenings and weekends included
Signs you need service
- Error code flashing on the controller
- Hot water goes cold partway through a shower
- Rumbling or kettling from the unit
- Reduced flow at every hot tap
- Unit short-cycles between fixtures
How the visit works
- 1Read the faultError history pulled from the controller, then verified with live readings.
- 2Repair or descaleParts replaced from truck stock, or a full circulation descale if scale is the cause.
- 3VerifyTemperature rise, flow rate, and vent draft rechecked before we close up.
Where we provide tankless water heater repair
Innisfil is home base, and our trucks run the same routes daily across Simcoe County and north York Region.
- Barrie Barrie's older housing stock has plenty of undersized or aging gas piping that needs upgrading before a new appliance can be connected safely.
- Bradford West Gwillimbury Bradford's larger family households burn through hot water fast, which is why tankless conversions are popular there.
- Essa Rural Essa properties north toward Newton Robinson are frequently on propane, and appliance conversion has to be done and documented properly.
- East Gwillimbury Newer East Gwillimbury homes commonly arrive with a rental water heater the owner would rather replace and own outright.
- Springwater Hard well water through Springwater scales tanks and tankless heat exchangers, so we plan descaling into every install we do out there.
- Newmarket Newmarket's finished basements make appliance venting routes the deciding factor in what equipment can actually go in.
- Oro-Medonte Seasonal and cottage properties around Oro-Medonte need equipment and gas work that tolerates being shut down for months at a time.
- New Tecumseth Alliston and Beeton homes often pair a gas fireplace with the main heating system, and both need annual attention to keep venting safe.
Frequently asked questions
How often should a tankless water heater be descaled?
Is a tankless repair worth it or should I replace?
Related services
Need service today? We can be there.
Same-day appointments across Innisfil, Barrie, and Simcoe County, with live dispatch 24/7.