Best Timers for Electric Hot Water Heaters: Save Energy and Stay Ready
Finding the right timer for an electric water heater helps balance energy savings with convenient hot water access. This guide highlights top timer options and a recirculation system that can optimize usage, whether you want precise weekly scheduling or remote control via smart devices. Each pick is evaluated for ease of use, compatibility with storage-style heaters, and potential energy savings.
| Product | Brand | Key Benefit |
|---|---|---|
| Intermatic WH40 Electric Water Heater Timer, Gray | Intermatic | High amperage and easy override |
| Aquanta Smart Water Heater Timer | Aquanta | Remote control and schedule learning |
| Intermatic WH21 Electric Water Heater Timer | Intermatic | Simple automatic scheduling |
| Intermatic EH10 Electric Water Heater Time Switch | Intermatic | To-the-minute precision scheduling |
| Watts H2O Hot Water Recirculation System | Watts Premier | Instant hot water with minimal wait |
Each product below is evaluated for its fit with electric storage water heaters, installation simplicity, and potential for reducing energy waste while keeping hot water readily available.
Intermatic WH40 Electric Water Heater Timer
The Intermatic WH40 is designed for higher power setups, with a capacity of up to 10,000 watts, 40 amps, and 250 volts. It offers an external override switch for quick manual control and straightforward operation, making it suitable for storage-style electric water heaters in homes with predictable daily routines. Its robust capacity supports varied schedules across busy households, and the external override ensures you can bypass the timer when needed.
Smart Water Heater Timer by Aquanta
The Aquanta timer is a smart option that learns your schedule to automate hot water usage. It enables remote control from a smart device and is UL safety certified, designed to work with most storage-style water heaters. This model is ideal for households seeking automation and energy optimization without manual adjustments at the device itself. It emphasizes remote accessibility, making it easier to ensure hot water is ready when needed.
Intermatic WH21 Electric Water Heater Timer
The WH21 focuses on automatic scheduling with a single pole/single throw configuration. It enables turning hot water on during high-use periods and off when usage drops, helping to optimize energy use for standard storage heaters. It is a straightforward solution for users who want reliable, predictable control without advanced smart features.
Intermatic Indoor Electric Water Heater Timer
This Intermatic model provides a versatile option with two tripper sets for E1020, E1022, Eb11, and Eb11R configurations. It’s well-suited for installations where precise two-set switching is desired, enabling tailored daily schedules. The device emphasizes flexible programming with two distinct on/off options, which can be useful for households with varying hot water needs across weekdays and weekends.
Intermatic EH10 Electric Water Heater Time Switch
The EH10 provides 42 ON/OFF events per week with seven-day scheduling and to-the-minute programming. An external override and an LED load indicator support accuracy and easy troubleshooting. This option is suitable for households that require tight control of hot water times, especially when shower schedules or laundry cycles demand precise timing across the week.
Watts H2O Hot Water Recirculation System
The Watts Premier H2O recirculation system delivers instant hot water at every faucet or shower by using thermal bypass and a sensor valve. It’s designed for quick DIY installation and does not require a return line under the sink. With a focus on water conservation—potential savings of significant daily usage—it’s a practical enhancement for homes that experience long waits for hot water while still relying on a traditional storage heater.
Buying Guide
When selecting a timer or recirculation solution for an electric water heater, consider several factors to ensure the best fit for your home.
- Power rating and compatibility: Check the amperage and voltage ratings to match your heater and electrical panel capacity. Higher-capacity models support larger storage tanks and busy households.
- Scheduling flexibility: If you have a consistent daily routine, a basic timer may suffice. For varied schedules, opt for a model with multiple ON/OFF events or smart features.
- Smart capabilities vs. simplicity: Smart timers offer remote control and learning algorithms but require stable Wi-Fi. Simpler timers rely on mechanical or preset schedules and are often easier to install.
- Override options: An external override or manual switch is useful for urgent needs or maintenance without altering programmed times.
- Installation considerations: Storage-style water heaters are typically compatible with these timers, but confirm wiring requirements and whether a neutral wire is necessary for smart switches.
- Energy savings vs. comfort: Timers reduce standby waste but ensure hot water is readily available for peak usage periods. Consider a recirculation option if you frequently experience long waits for hot water at fixtures.
- Maintenance and durability: Look for solid housings, clear labeling, and components rated for daily cycling. This reduces the risk of nuisance tripping or failure over time.
- Recirculation system trade-offs: Recirculation offers near-instant hot water but adds a pump and plumbing considerations. It can significantly reduce water waste, particularly in larger homes or repeated hot-water use.
In sum, for straightforward control with strong reliability, the Intermatic WH40 or EH10 lines provide robust scheduling with clear interfaces. For smart control and remote management, the Aquanta timer offers automation aligned with modern home ecosystems. If rapid hot water delivery and water conservation are priorities, the Watts H2O recirculation system complements traditional storage heaters by reducing wait times and water waste.