If you’re looking to upgrade your home water heater, you’ve likely come across the term “electric tankless water heater.” It’s a modern solution for homeowners seeking energy efficiency and reliable hot water. But how does it work? Is it the right choice for your home? And what does installing and maintaining one look like? This guide will walk you through everything you need to know about electric tankless water heaters, including:
- What is an electric tankless water heater?
- How to install an electric tankless water heater
- Maintenance and care tips for efficiency
- Is an electric tankless water heater worth it?
🤔 What is an Electric Tankless Water Heater?
Unlike traditional water heaters that store hot water in a large tank, electric tankless water heaters provide hot water on demand. This means they heat water as you use it rather than keeping a tank of water constantly heated.
The system works by sending cold water through an electric heating element when you turn on your faucet, giving you unlimited hot water without the wait—or wasted energy.
These systems are compact, energy-efficient, and perfect for modern homeowners looking for smart upgrades.
Benefits of an Electric Tankless Water Heater
Why are so many homeowners making the switch? Here are the standout benefits:
- Endless Hot Water: Forget running out of hot water during long showers or when the whole family is using it back-to-back. Electric tankless systems heat water on demand, so you’ll always have a steady, reliable supply—perfect for busy households or when hosting guests.
- Energy Efficiency: Unlike traditional water heaters that keep a full tank of water warm around the clock (even when you’re sleeping or away), tankless systems only activate when hot water is needed. This on-demand approach minimizes energy waste and can significantly lower your utility bills over time.
- Space-Saving Design: Traditional water heaters can take up a large chunk of your basement, garage, or utility room. Electric tankless water heaters, however, are compact and wall-mounted, freeing up valuable floor space for storage or other uses.
- Durability: With regular maintenance, electric tankless water heaters can outlast traditional units, which typically need replacing every 8-12 years. Many tankless models can last up to 20 years or more, offering a reliable long-term solution for your home.
- Eco-Friendly: By consuming less energy and avoiding the standby heat loss of tank-based systems, electric tankless water heaters reduce your carbon footprint. Their efficiency and longevity also mean fewer resources are used over time, making them a greener choice.
- Reduced Risk of Water Damage: Traditional water heaters risk catastrophic leaks or ruptures if the tank fails, potentially causing thousands in water damage. With no tank to worry about, tankless systems eliminate this risk, giving you peace of mind.
🛠️ Install an Electric Tankless Water Heater in 7 Steps
Installing an electric tankless water heater might feel overwhelming at first, but by following the right steps, it becomes a straightforward and manageable process. This guide will walk you through the detailed steps to ensure safe and effective installation.
1. Gather Your Tools and Materials
Before diving into the installation, it’s important to prepare everything you’ll need for the process. Start by acquiring the electric tankless water heater unit itself and ensuring you have the proper mounting hardware that typically comes with the unit. You’ll also need shutoff valves for controlling water flow, along with appropriate pipe fittings and plumber’s tape to ensure a tight and leak-free connection. For the electrical work, gather wiring tools such as wire cutters, connectors, and electrical tape. You’ll also need a circuit breaker that matches the specifications provided in the heater’s manual. By having all these materials ready, you can avoid unnecessary interruptions during the installation process.
2. Choose an Installation Location
The location of your electric tankless water heater is crucial for both functionality and safety. Look for a spot that is close to your water sources, as this minimizes the amount of piping needed and reduces heat loss during water flow. The location should also be near your home’s electrical panel to simplify the wiring process. Make sure the area is well-ventilated, as this will help maintain the efficiency of the unit and prevent overheating. Additionally, avoid installing the unit near flammable or heat-sensitive materials. By carefully choosing a suitable location, you can ensure the heater operates efficiently and safely.
3. Turn Off Your Water and Electric Supply
Before starting any work, it’s essential to ensure the main supply lines for both water and electricity are completely shut off. Locate your home’s main water valve and turn it off to stop water flow during installation. Similarly, switch off the electricity at the main breaker to eliminate the risk of electric shock. Taking this step is non-negotiable for safety purposes and helps you avoid unnecessary accidents while installing the unit.
4. Mount the Tankless Water Heater
Once your location is chosen and prepared, it’s time to mount the tankless water heater. Carefully position the unit on the chosen wall and ensure it is level. Use the mounting hardware provided with the unit to securely attach it to the wall. Make sure the installation is stable and that the heater is not wobbling or leaning, as this could lead to operational issues or damage over time. Take your time with this step to ensure the unit is firmly in place and ready for the next stages of installation.
5. Connect the Water Lines
With the heater mounted, you can now connect the water lines. Attach the cold water input line to the appropriate inlet on the heater, and connect the hot water output line to the outlet. It’s important to use shutoff valves on both lines to allow for easy maintenance in the future. Secure the connections using pipe fittings and plumber’s tape to prevent any leaks. Double-check each connection to ensure they are tight and secure. Properly installed water lines are essential for the heater to function effectively without any risk of leaks or water damage.
6. Wire the Heater
The next step involves connecting the heater to your home’s electrical system. Start by following the instructions provided in the manual to wire the unit correctly. Connect the wiring from the heater to the dedicated circuit breaker that you’ve installed in your home’s electrical panel. Ensure that the circuit breaker matches the specifications and amperage requirements stated in the manual, as using the wrong size can lead to electrical hazards or damage to the unit. Take extra care to secure all connections and use electrical tape to prevent exposed wires. If you’re unsure about any part of this step, consult a licensed electrician to guarantee safe installation.
7. Test the System
Once all the connections are complete, it’s time to test the system to ensure everything is working properly. Start by turning the water supply back on and checking for any leaks around the connections. If you notice any leaks, tighten the connections or reapply plumber’s tape as needed. Next, switch the electricity back on at the main breaker and power up the tankless water heater. Run water through the system to ensure it heats consistently and without any interruptions. Pay attention to the water temperature and pressure to confirm the unit is operating as expected.
💡 Maintenance and Care Tips for Efficiency
Proper maintenance is essential to ensure your electric tankless water heater runs efficiently and lasts for years. Here’s how to keep it in top condition:
Regular Descaling: Hard water can lead to mineral buildup inside your heater, reducing its heating efficiency and clogging the system. Use a descaling solution or vinegar at least once a year to prevent blockages and keep the system running smoothly.
Check Filters: If your unit has built-in debris filters, these can become clogged over time, restricting water flow. Regularly clean or replace the filters to maintain optimal performance and avoid unnecessary strain on the system.
Monitor for Leaks: Even small leaks at the connections can affect water pressure, reduce heating efficiency, or cause damage over time. Inspect all joints and connections regularly to catch and repair leaks early.
Schedule an Annual Inspection: A professional inspection ensures your unit remains in good working order. Technicians can identify potential issues, perform necessary maintenance, and ensure your heater operates safely and efficiently.
Flush the System: Sediment can collect in the heating element over time, especially in areas with hard water. Flushing the unit regularly removes this buildup, helping to maintain proper water flow and prevent damage to components.
👉 Is an Electric Tankless Water Heater Worth It?
Investing in an electric tankless water heater can bring significant long-term value to your home. These systems provide energy savings by heating water on demand instead of maintaining a large tank of heated water, making them more efficient and eco-friendly. Plus, you’ll enjoy the convenience of endless hot water, which is perfect for larger households or back-to-back shower schedules.
On the downside, the upfront costs of purchasing and installing a tankless water heater can be higher than traditional systems. However, the energy savings and durability often outweigh these initial expenses over time.
Whether it’s the right choice depends on your specific needs. Consider factors like your household’s water usage, the size of your home, and your budget. For smaller homes or energy-conscious households looking to upgrade, an electric tankless water heater can be a worthwhile investment that adds both convenience and value.
🙌 Upgrade to an Electric Tankless Water Heater with Thelen Mechanical
Investing in an electric tankless water heater can offer numerous long-term benefits, including energy savings, convenience, and eco-friendliness. If you’re considering upgrading your home’s water heating system, Thelen Mechanical is the trusted team you can rely on for your home improvement needs. With our expertise and commitment to quality service, we ensure seamless installation and provide ongoing maintenance and support. Experience the difference of working with a team that prioritizes customer satisfaction and delivers exceptional results. Contact us today for a consultation and take the first step towards maximizing your home’s energy efficiency and comfort. Don’t miss out on the opportunity to enjoy endless hot water and lower utility bills!
