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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

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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.

Mike D., West Ashley

"ClimateMakers flushed my tankless system and fixed my hot water pressure instantly. Fast, clean, and friendly!"

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.

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North Charleston, SC

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

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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.

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Summerville, SC

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

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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.

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James Island

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

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 Not sure if we serve your area?

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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.

Frequently Asked Questions About Tankless Water Heaters

Address

ClimateMakers Heating ● AC ● Plumbing
4765 Franchise St Ste A
North Charleston, SC 29418
(843) 552-9024

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Proud Supporting Sponsor
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Ronald McDonald House Charleston
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Hours

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

8 AM - 2 PM
8 AM - 4:30 PM
8 AM - 4:30 PM
8 AM - 4:30 PM
8 AM - 4:30 PM
8 AM - 4:30 PM
8 AM - 2 PM

Weekends By Appointment
Emergencies 24/7/365

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