Tankless Water Heater Services
Tankless heaters heat water on demand instead of storing it, which can mean lower standby energy use and endless hot water — but they have their own service needs, like periodic descaling in hard-water areas. Tankless services cover installation, repair, and maintenance.
Common reasons you may need this service
- You're considering a switch from a tank to tankless.
- Your tankless unit isn't heating reliably.
- The unit needs its annual descale.
- Error codes are showing on the display.
- You want endless hot water for a larger household.
Typical tasks and considerations
- Assessing whether tankless suits the demand.
- Installing the unit with correct gas or electric supply.
- Descaling to clear mineral buildup.
- Diagnosing error codes and failed components.
- Advising on maintenance intervals.
Common problems and possible causes
Mineral buildup
Hard water scales the heat exchanger, reducing flow and efficiency. Periodic descaling keeps it running well.
Cold-water sandwich
Brief cool bursts between draws are common with tankless. Plumbing layout and recirculation can reduce the effect.
Insufficient flow
An undersized unit can't keep up with simultaneous draws. Sizing to the household's demand prevents this.
Tankless Water Heater Services — frequently asked
Related plumbing services
Water Heater Repair
Diagnosing and repairing water heaters — no hot water, leaks, noise, and pilot issues.
Learn moreWater Heater Installation
Installing new tank water heaters — sizing, placement, and code-compliant connections.
Learn moreWater Pressure Problems
Diagnosing low or uneven water pressure across fixtures and the whole property.
Learn moreNeed tankless water heater services?
Describe what's happening and we'll review the details with you before any work begins.