Charleston’s Tankless Water Heater Flush Experts
Flush Now.
Flow Stronger Tomorrow.
Tankless water heaters are efficient, but Charleston’s mineral-rich water can do a number on them. Our $159 professional tankless flush helps eliminate limescale, restore pressure, and extend system life—keeping your tankless unit running like it should.
Removes mineral buildup
Boosts energy efficiency
Restores water pressure
Mechanical Contractor State License #M108899
Licensed & Insured • BBB Accredited • Factory Certified

Our 3-Step
Tankless Flush Process
Fast, professional, and built around your home’s needs.
📍 Proudly serving Charleston, North Charleston, Summerville & surrounding towns.
Step 1:
Full System Inspection
We inspect the unit, screen, and valves to assess scale buildup and confirm operating condition.
Step 2:
Precision Descaling Flush
We circulate professional descaling solution through your system to break down and remove hardened mineral deposits.
Step 3:
Final Test + Performance Report
After cleaning, we flush with fresh water, test pressure and temperature, and confirm smooth operation.
Insider Tip:
Not flushing your unit annually can reduce efficiency by 30%—and may void your manufacturer’s warranty. Think of it like an oil change for your water heater.
You wouldn’t skip those, right?
Tankless Water HeaterFlush Services We Provide
From installation to maintenance and emergency repairs, we’ve got your hot water covered—efficiently and affordably.
Full System Descaling
We circulate professional-grade solution to remove limescale, calcium, and mineral deposits that Charleston water leaves behind.
Maintenance Health Reporting
You’ll get a service summary showing what was cleaned, tested, and when to schedule your next flush.
Inlet Filter & Valve Inspection
Our techs clean out your system’s inline screen and inspect all service valves to ensure full, unrestricted flow.
Lowcountry Water Adaptation
Our process is tailored for the unique mineral profile of Charleston, Summerville, and Mount Pleasant water—especially if you're on a well.
Post-Flush System Testing
After flushing, we test your temperature output, monitor pressure levels, and check for any residual error codes.
Multi-Brand Tankless Service
We flush and maintain all major brands including Rinnai, Navien, Noritz, Takagi, Bosch, and more.
Not sure if your tankless needs a flush or full repair?
Trusted Charleston Technicians for Carrier, Bryant, Mitsubishi & Rinnai

Hear It From Our Customers
Charleston, Summerville, and North Charleston homeowners count on ClimateMakers for fast, clean, and reliable tankless water heater flushes—so hot water never skips a beat.
Proudly Serving Charleston’s Lowcountry Neighborhoods
Charleston, SC
From South of Broad to Wagener Terrace, we flush tankless water heaters in historic homes where scale buildup can hit hard and fast.

North Charleston, SC
We provide fast tankless water heater flush services near Park Circle, helping homeowners avoid error codes and low water pressure.

Mount Pleasant, SC
Protect your coastal home near Shem Creek with expert tankless water heater maintenance that removes scale and keeps hot water flowing strong.

Summerville, SC
From Nexton to Cane Bay, we flush tankless units to remove sediment, improve performance, and extend water heater life.

West Ashley
Whether you're near Avondale or along the Greenway, our tankless flush services help West Ashley homeowners restore pressure and prevent system failure.

James Island
Residents near James Island County Park trust us for descaling and routine flushing of Rinnai, Navien, and other tankless water heaters.

Not sure if we serve your area?

Need a Tankless Water Heater Flush in Charleston?
Tired of sputtering hot water? Let ClimateMakers Heating ● AC ● Plumbing restore your unit’s performance today. We serve Charleston, Summerville, Mount Pleasant, and the surrounding Lowcountry—with fast, clean, and affordable flush service. We proudly offer tankless flushes as part of our full HVAC and plumbing services near you.






