Expert tankless water heater diagnostics and repair. We fix error codes, descale units, replace parts, and restore your endless hot water.
Full diagnostic of error codes to identify the exact issue with your tankless unit.
Thorough descaling to remove mineral buildup and restore optimal heat transfer efficiency.
Inspection and replacement of igniter and flame sensor components for reliable ignition.
Flow sensor testing and calibration to ensure proper water detection and activation.
Mississauga homeowners trust us for thorough, honest tankless water heater repair that restores reliable hot water on demand.
Olu HVAC Inc. is based at 7433 Sigsbee Dr in Mississauga and works across the GTA.
Call (437) 999-4242 any time. We answer outside business hours.
No surprises or hidden fees. We quote a flat rate before starting any work so you always know the cost.
Call us today for expert tankless water heater repair in Mississauga.
Call (437) 999-4242Real answers to questions Mississauga and GTA customers ask us most.
Error codes vary by brand. Common causes are scaling, ignition issues, low gas pressure, or venting blockages. We diagnose the actual cause and fix it.
Once a year in Mississauga's typical water hardness, more often if you have very hard water. Annual flushing prevents scale build-up that causes errors and shortens life.
Often caused by a scaling-induced ignition delay, a flow-rate issue, or sensor problems. We diagnose the actual cause.
Yes. Call (437) 999-4242 for 24-hour service.
Olu HVAC Inc. is open 24 hours. Call us, email us, or send a message.