Tankless water heaters need a different kind of maintenance than a standard tank unit, and Lakewood's moderately hard water makes that maintenance more important here than it would be in an area with softer supply. Mineral scale builds up inside the heat exchanger over time, and a system that isn't descaled periodically loses efficiency and can eventually fail well before its expected lifespan.
We service, repair, and install tankless units, and we recommend a descaling schedule based on your actual water hardness and usage rather than a generic interval. If you're considering switching from a tank unit, we'll walk through the honest trade-offs, upfront cost, ongoing maintenance, and the actual benefit for your household size, rather than assuming a tankless system is automatically the better choice for every home.
A tankless unit that's never been descaled in a hard-water area like Lakewood is one of the more common causes of a service call that could have been avoided. Manufacturers generally recommend annual descaling in moderately hard water conditions, and skipping it for several years often shows up as reduced efficiency well before an outright failure.
Why Call Us For This
Descaling & Flush Service
Removes mineral buildup that shortens a tankless unit's effective lifespan.
Repair Before Replace
We diagnose the actual fault before recommending a full unit replacement.
Installation & Conversion
Installing a new tankless unit or converting from an existing tank system.
Upfront Pricing
A flat price before any service, repair, or installation work begins.
Signs You Need This Service
Inconsistent Water Temperature
Often an early sign of scale buildup affecting the heat exchanger's performance.
Error Code Displayed On The Unit
Most tankless units display a specific code that helps identify the fault quickly.
Reduced Hot Water Flow Rate
Can indicate scale restricting flow through the unit.
It's Been Over A Year Since The Last Descale
Regular maintenance on a schedule matters more for tankless units than tank units.
Tankless Unit Acting Up?
We diagnose the error and quote a flat price before any repair.
How It Works
Diagnose
We check the error code, flow rate, and heat exchanger condition.
Quote
A flat price for descaling, repair, or replacement.
Service
Most descaling and repair work completed the same visit.
Test
Full function test at multiple flow rates before we leave.
What This Typically Costs
Descaling costs less than a component repair. Full replacement is quoted separately.
Common Questions
Given the area's moderately hard water, roughly once a year is a reasonable default for most households, though higher usage households may benefit from more frequent service.
It depends on your household's hot water usage and how long you plan to stay in the home. Tankless units cost more upfront but can last longer and use less energy; we can walk through the real numbers for your situation.
Most manufacturers use specific codes tied to particular faults, like ignition failure or a flow sensor issue. We can identify the cause from the code and confirm it during inspection.
Many issues, including scale buildup and specific component failures, are repairable. We check this before recommending replacement.
Some manufacturers do require documented regular maintenance to keep a warranty valid, so it's worth checking your unit's specific warranty terms rather than assuming skipped maintenance has no consequence for a future claim.
A dirty flow sensor or a minor ignition component failure are among the most frequent fixable issues, both usually caused or worsened by scale buildup from skipped maintenance.
For a standard tank water heater instead, see water heater repair for that separate service. If hard water is a recurring concern beyond just the water heater, water softener and filtration addresses it at the source, and pairing the two services often extends the life of both systems.