Tankless water heaters, also known as on-demand water heaters, are a fantastic investment for modern households. They’re energy-efficient, provide hot water whenever you need it, and save space compared to traditional tank-style heaters. However, like any appliance, they require regular maintenance to function at their best. One essential task is periodic descaling and servicing. Here’s why it matters and how it benefits your home and wallet.
The Problem: Mineral Buildup
Most households use hard water, which contains dissolved minerals like calcium and magnesium. When water is heated in your tankless water heater, these minerals can form deposits on the heat exchanger. Over time, this buildup can:
Reduce efficiency: Mineral deposits create a barrier that makes it harder for the heat exchanger to transfer heat to the water. This means your water heater has to work harder, consuming more energy.
Decrease water flow: Scale can clog the unit’s pipes, leading to reduced water pressure.
Shorten the lifespan of the unit: Prolonged exposure to scale buildup can damage the heat exchanger and other components, leading to costly repairs or even replacement.
The Solution: Regular Descaling
Descaling is the process of removing mineral deposits from the internal components of your water heater. By performing this task regularly, you can:
Maintain efficiency: A clean heat exchanger ensures your water heater operates at peak performance, saving you energy and money.
Extend the lifespan of your unit: Preventative maintenance reduces wear and tear on critical components, helping your water heater last longer.
Ensure consistent water flow: Removing scale keeps your water pressure steady, providing a better experience for showers, laundry, and dishwashing.
Other Key Maintenance Tasks
While descaling is crucial, it’s just one part of maintaining a tankless water heater. During a routine service, a professional technician will also:
Inspect the filters: The inlet filter traps debris and sediment. Cleaning or replacing it prevents clogs.
Check for leaks: Early detection of leaks can prevent major damage.
Test the system: Ensuring all components, such as the burner and sensors, are working correctly helps maintain efficiency and safety.
How Often Should You Service Your Tankless Water Heater?
The frequency of descaling and servicing depends on factors like water hardness and usage. As a general rule:
If you live in an area with hard water, descale your unit every 6–12 months.
In areas with softer water, annual servicing is usually sufficient.
High-usage households may require more frequent maintenance.
DIY Or Professional Service?
Some homeowners feel confident descaling their water heaters themselves, especially with the help of manufacturer instructions. However, professional servicing offers added peace of mind. Technicians have the tools and expertise to thoroughly clean and inspect your unit, catching potential issues early.
The Bottom Line
Regularly descaling and servicing your tankless water heater isn’t just about keeping it clean—it’s about protecting your investment. By ensuring your unit operates efficiently and lasts as long as possible, you’ll enjoy reliable hot water and lower energy bills for years to come. So, don’t wait for a problem to arise; schedule your next maintenance appointment today!
