Best Electric Tankless Water Heater: Compact and Efficient Solutions for Modern Homes

Electric tankless water heaters are revolutionizing the way households access hot water. These compact units eliminate the need for bulky storage tanks, providing hot water instantly while reducing energy waste. They are particularly beneficial for smaller living spaces or homes with limited utility room space. The technology behind these heaters ensures consistent performance, making them a reliable choice for modern homeowners.
How Electric Tankless Water Heaters Work
Electric tankless water heaters operate by heating water directly as it flows through the unit. When a hot water tap is turned on, cold water travels through a pipe into the heater, where electric heating elements warm the water to the desired temperature. This process ensures that hot water is available on demand, eliminating standby energy losses associated with traditional tank heaters.
Key Components
- Heating Elements: These are responsible for warming the water as it passes through the unit.
- Flow Sensor: Detects water flow and activates the heating elements.
- Temperature Control: Allows users to set and maintain their preferred water temperature.
Benefits of Electric Tankless Water Heaters
There are several advantages to choosing an electric tankless water heater over traditional models. These benefits include energy savings, space efficiency, and longer lifespan.
Energy Efficiency
Since electric tankless heaters only heat water when needed, they consume less energy compared to storage tank models. This can lead to significant savings on utility bills over time.
Space-Saving Design
The compact size of these units makes them ideal for homes with limited space. They can be mounted on walls, freeing up valuable floor space.
Longevity
Electric tankless water heaters typically last longer than traditional tank models, often exceeding 20 years with proper maintenance.
Top Electric Tankless Water Heaters
Below is a comparison table of some of the best electric tankless water heaters available in the market.
| Model | Flow Rate (GPM) | Power (kW) | Price (USD) |
|---|---|---|---|
| EcoSmart ECO 27 | 6.5 | 27 | $500 |
| Stiebel Eltron Tempra 36 Plus | 3.6 | 36 | $900 |
| Rheem RTEX-13 | 3.17 | 13 | $350 |
Installation Considerations
Proper installation is crucial for the optimal performance of an electric tankless water heater. Factors such as electrical requirements, water pressure, and location must be taken into account.
Electrical Requirements
Most electric tankless heaters require a dedicated circuit with sufficient amperage. It is recommended to consult a licensed electrician to ensure the electrical system can support the unit.
Water Pressure
Maintaining adequate water pressure is essential for consistent performance. Low water pressure can affect the heater’s ability to deliver hot water efficiently.
Maintenance Tips
Regular maintenance can extend the lifespan of an electric tankless water heater and ensure it operates at peak efficiency.
- Descaling: Mineral buildup can affect performance, so periodic descaling is recommended.
- Filter Cleaning: Cleaning the inlet filter prevents debris from entering the unit.
- Professional Inspection: Annual inspections by a qualified technician can identify potential issues early.
For more information, visit the official websites of EcoSmart , Stiebel Eltron , and Rheem .