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Smart Switch Slashes Coffee Machine Energy Waste
9 Jun
Summary
- A small SwitchBot Relay monitors and controls appliances.
- It revealed a coffee machine wasted $1500 annually on standby.
- Fixing a leak drastically reduced the machine's standby power usage.

A compact SwitchBot Relay, only 1.6 x 1.4 x 0.6 inches, provides Bluetooth and Wi-Fi control for home appliances, making them smarter. It supports AC inputs from 100V to 240V and DC power from 24V to 30V, integrating with major smart home systems like Alexa, Google Assistant, and IFTTT.
The device proved invaluable when monitoring a large coffee machine, which was found to be consuming 8 kWh during standby daily, costing over $1500 annually in the UK. This excessive power draw was traced to a minor water leak causing the machine to constantly heat water.
After the leak was repaired, the coffee machine's standby power consumption dropped significantly. This incident showcases the SwitchBot Relay's ability to identify hidden energy waste, offering substantial cost savings even without turning devices off completely.