Over time, minerals and sediment settle at the bottom of your water heater tank. That buildup makes the unit work harder, heat slower and wear out sooner. A yearly flush clears it out and helps your water heater last longer.
Signs Your Water Heater Needs Flushing
- Popping or rumbling sounds while the water heats
- Hot water runs out sooner than it used to
- Cloudy or sandy hot water
- Higher energy bills with no other explanation
- It has been more than a year since the last flush
What Is Included in a Water Heater Flush
We shut down the unit safely, drain the tank, flush out the sediment and refill it. While we are there, we check the relief valve, drain valve, anode rod condition and venting, and let you know about anything that needs attention.
For tankless water heaters, we run a descaling solution through the heat exchanger and clean the inlet filter to keep water flowing and the unit running efficiently.
Why Homeowners Call Penguin Air & Plumbing
- Locally owned, serving Union County and the Charlotte area since 2008
- Licensed plumbers in stocked, ready-to-work vehicles
- Clear, upfront pricing before any work begins
- No extra charge for nights or weekends
We serve Indian Trail, Monroe, Matthews, Stallings, Mint Hill, Waxhaw, Weddington, South Charlotte, Fort Mill and nearby towns. Call 704-296-0800 or request service online to schedule a water heater flush.


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