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Guide · Smart geyser control

Geyser timer vs smart geyser switch

Both stop your geyser heating water nobody uses. The difference is how much control you get, and whether you can change it from anywhere.

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Two ways to control your geyser

FeatureGeyser timerSmart geyser switch
Set heating timesYesYes
Change schedule from your phoneNoYes
Switch on/off from anywhereNoYes
Control several propertiesNoYes

Geyser timers

A timer switches the geyser on and off at set times. It's simple and effective if your routine doesn't change, but adjusting it means going to the timer itself.

Smart geyser switches

A smart switch, such as the CBi Astute Smart Controller in your DB board or the Astute Smart Isolator on the wall, connects to your Wi-Fi so you can set schedules and switch the geyser on or off from a phone app, wherever you are.

Why it saves electricity

A geyser keeps reheating water all day to replace heat lost through the tank and pipes. Heating only before you need hot water cuts that waste. How much you save depends on your household and your geyser.

Ideal for landlords and Airbnb hosts

Switch geysers off when units are empty and on before guests arrive, and see every unit from one app. Remote geyser switch installation →

Before and after: a geyser switched on and off from a phone app using an Astute smart controller
Geyser on and off from your phone

FAQ's

Quick answers

The short versions of what people ask us.

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Is a smart geyser switch worth it?

If your routine varies, you travel, or you manage rental units, yes. It gives you timer-style savings with the flexibility to change schedules and switch the geyser off from anywhere.

Does a smart geyser switch need Wi-Fi?

Yes. The Astute devices connect through your Wi-Fi router to the cloud platform, which the app uses to reach them.

Can a smart switch control other appliances?

Yes. Pool pumps, heaters and lights can be controlled too, using the controller or a smart plug.

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