Zooz ZEN30 Double Switch

Quick verdict

The ZEN30 solves a real problem: you have one gang box controlling a light and a fan (or two lights), and you want independent smart control of both. The top is a dimmer, the bottom is an on/off relay. Both show up separately in Home Assistant. Practical and space-efficient.

Standout: Dimmer plus on/off relay in one gang box. Control a light and fan independently without taking up two switch spots.

Last checked: 2026-05-31

Compatibility snapshot

Why it stands out

• dimmer and on/off relay in a single gang, replacing a two-function combo without rewiring
• both loads are independently controllable in Home Assistant
• multi-tap scene support on both buttons for automation triggers

Reasons to hesitate

• needs a neutral wire, so older homes without one are out of luck
• fitting two functions into one gang means a deeper box, so check your box depth
• Z-Wave only, with no fallback to Wi-Fi or Zigbee

Best for

• bathrooms or kitchens where a fan and light share one gang box
• any room where you want independent dimmer + relay control in a single switch plate

Avoid if

• your gang box is shallow, since the double switch is deeper than a standard switch
• you only need a single function in that box

Privacy and local-control notes

Fully local Z-Wave device. No cloud, no app account, no data leaving your network.

Home Assistant support: supported · integration path: Z-Wave JS.

Buying reality check

Price notes: Costs more than a single switch but replaces two devices in one gang. Good value if you actually need both functions.

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