Modern electric water heater controls help save energy, reduce waste, and ensure hot water is ready when you need it. This guide highlights five top options that add smart scheduling, remote control, and precise temperature management to storage-style and tankless electric heaters. Each choice includes a quick overview of what it does, installation notes, and how it can fit into typical American homes.
| Product | Brand | Key Benefit | Type |
|---|---|---|---|
| Aquanta Smart Water Heater Timer | Aquanta | Learns schedule; remote control; storage heater compatibility | Smart timer |
| Aquanta Digital Water Heater Timer | Aquanta | WiFi control; reduces electricity waste; leak sensor | Smart timer |
| EWH-00 Electric Water Heater Thermostat | DROMIX | Upper and lower thermostat with adjustable range | Thermostat kit |
| WINTEMP 27kW Tankless Water Heater | WINTEMP | On-demand control with WiFi; stable temperature | Tankless heater with WiFi control |
| Rheem RTEX-24 24kW Tankless Water Heater | Rheem | Continuous hot water; adjustable temperature | Tankless heater |
Aquanta Smart Water Heater Timer
The Aquanta Smart Water Heater Timer learns your daily routine to minimize standby energy use. It allows remote control from a smart device, so you can adjust when hot water is available. It is designed for storage-style electric water heaters and carries UL safety certification for compatible models. Installation is described as quick and tool-free in many setups, making it suitable for retrofit projects in urban and suburban homes.
Aquanta Digital Water Heater Timer
The Aquanta Digital Water Heater Timer brings WiFi-enabled control to storage-style electric water heaters. It helps reduce electricity waste by aligning hot water output with your actual usage, and includes a leak sensor for added safety. Like other storage-ready controllers, it installs in minutes without plumbing work, making it a practical upgrade for older homes seeking smarter energy management.
EWH-00 Electric Water Heater Thermostat
The EWH-00 thermostat kit from DROMIX includes both an upper and a lower thermostat, designed for universal sizing across TOD and APCOM heater models. It supports a wide temperature range (approximately 90°F to 150°F) and provides a one-year warranty. This kit enables precise temperature control on electric water heaters, potentially improving efficiency and lifespan when installed by a professional handyman or electrician.
WINTEMP Tankless Water Heater With WiFi Control
The WINTEMP 27kW tankless unit provides on-demand hot water with an LED temperature display and WiFi control. It is designed for whole-house performance, delivering up to about 6.3 GPM depending on incoming water temperature. The setup notes emphasize electrical requirements and installation considerations to ensure safe operation and consistent performance in typical U.S. homes.
Rheem RTEX-24 24kW Tankless Water Heater
The Rheem RTEX-24 is a compact tankless option that provides continuous hot water with a precise ON/OFF digital temperature display for 1-degree adjustments from 80–140°F. Installation requires attention to electrical service and breaker capacity, making it important to assess home electrical readiness before purchase. Performance guidance helps determine suitability based on geographic location and household hot water needs.
Buying Guide: Electric Water Heater Controls
Key purchase considerations
- Compatibility: Ensure the control device matches your heater type (storage-style vs. tankless) and voltage requirements. Some devices install without plumbing changes, while others require professional wiring.
- Scheduling and automation: Look for learning capabilities, timer presets, and remote app access. The best options align hot water availability with daily routines and minimize energy waste.
- Safety features: UL certification, leak sensors, overheat protection, and dry-fire safeguards reduce risk and extend equipment life.
- Temperature control: Decide between fixed presets and adjustable ranges. For tankless units, precise temperature control helps prevent scalding and maintains comfort.
- Maintenance and warranties: Check warranty length and whether the device is user-serviceable. Cooling-off features and diagnostic indicators are helpful for future troubleshooting.
Install considerations
- Electrical load: Tankless heaters demand substantial power; verify service capacity and breaker space with a licensed electrician.
- Retrofit feasibility: For older homes, solutions that require minimal or no plumbing changes are typically easier and cheaper to implement.
- Smart home integration: If you use Alexa, Google Assistant, or other ecosystems, confirm compatibility and app reliability before buying.
Efficiency and cost perspective
- Smart timers can cut standby heat loss, particularly in homes with irregular hot water usage.
- Leak sensors add safety and may prevent costly water damage in the event of a line fault.
- Tankless heaters with WiFi control offer on-demand efficiency but may require higher upfront electrical investments.