NOUS Zigbee Smart Plug Energy Review: Specs, Pros and Cons

What stands out

• Zigbee 3.0 connectivity requires a hub for full functionality.
• Built-in energy monitoring tracks real-time power consumption.
• Supports up to 15A (1500W) maximum load.
• Compatible with Alexa, Google Home, SmartThings, and Home Assistant.
• Compact design fits standard wall sockets without blocking adjacent outlets.

Who it fits

Key specs for NOUS Zigbee Plug

Connectivity: Zigbee 3.0

Zigbee 3.0 is a low-power wireless protocol that creates a mesh network with other devices. You need a separate Zigbee hub, such as SmartThings or Home Assistant, to connect this plug to your home network. It does not connect directly to Wi-Fi. This setup often provides more reliable automation and lower latency than Wi-Fi plugs, making it suitable for users building a comprehensive smart home system rather than isolated devices.

Maximum Load: 15A (1500W)

This plug supports a maximum current of 15 amps and 1500 watts of power. You can safely use it for most standard household appliances, such as lamps, fans, or small heaters. Do not connect high-draw appliances like space heaters or air conditioners that exceed this limit. This capacity aligns with standard US wall outlets, ensuring compatibility with typical residential electronics without risking overheating or tripping circuit breakers.

Hub Requirement: Hub Required

This device cannot operate independently. You must purchase and set up a compatible Zigbee gateway or hub to control it remotely or enable voice commands. Without a hub, the plug functions only as a standard outlet. This requirement adds complexity and cost to your setup but enables advanced automation and scheduling features that direct Wi-Fi connections often lack, appealing to users with existing smart home ecosystems.

Smart Home Compatibility: Alexa, Google Home, SmartThings

The plug integrates with major voice assistants and platforms via your hub. You can control it using voice commands through Alexa or Google Home. It also works with SmartThings for broader automation routines. This wide compatibility ensures you can add it to your existing setup without switching platforms. Check your hub’s supported devices list to confirm seamless integration before purchasing, as direct app control is not available without the hub.

Dimensions: 2.2 x 1.97 x 2.17 inches

The compact physical size allows the plug to fit into standard wall sockets without blocking adjacent outlets. This design is practical for dense outlet strips or crowded walls. The white color blends into most home decors. When shopping for smart controls, consider these dimensions if you plan to place the plug in tight spaces or behind furniture, ensuring it does not obstruct access to nearby power sources.

Design and Build Quality

According to the listing, the NOUS A9Z measures 2.17 inches in length, 2.2 inches in width, and 1.97 inches in height. It weighs 0.32 pounds. The device is white and fits standard wall sockets. The listing states it does not block adjacent outlets. This layout helps you use nearby power sources without removing the plug. You can place it in tight spaces behind furniture or in tight corners where bulkier adapters might not fit.

The build includes IP20 protection and a durable construction for long-term performance. IP20 means the device has no special protection against solid objects or water. You should keep it away from direct moisture or dusty areas. The 10dBm transmission power supports reliable signal strength. This helps maintain a stable connection with your Zigbee hub. You get consistent remote control and automation responses.

The finish is smooth and white. It blends with most home decor. The compact shape keeps it from sticking out too far from the wall. You can install it in living rooms, bedrooms, or offices. The design prioritizes functionality over aesthetics. You get a reliable connection and energy monitoring without taking up much space. The listing confirms these dimensions and features. You can rely on them for planning your setup. The plug is built for daily use in typical indoor environments.

Setup and everyday use

Setting up this plug requires a Zigbee hub. You cannot connect it directly to Wi-Fi. The listing specifies compatibility with hubs like SmartThings or Home Assistant. You must pair the device through your hub’s interface first. Once paired, the plug joins your home’s local network. You control it via the NOUS Smart Home App or voice assistants like Alexa and Google Home. The app allows remote on and off commands. You can also view real-time energy data from anywhere with an internet connection. Daily use relies on scheduling and automation. You set timers for lights or heaters to turn on at specific times. The 15A capacity supports devices up to 1500W. This covers most standard home appliances and lighting. The plug’s design fits standard wall sockets without blocking adjacent outlets. You do not need to worry about space constraints on your wall. Energy monitoring tracks consumption as you use connected devices. You can adjust schedules to optimize usage. The 10dBm transmission power ensures reliable communication with your hub. IP20 protection safeguards the internal components during normal indoor use. Your routines run hands-free once configured. The system responds to voice commands through your chosen assistant. You manage everything through your smartphone or voice, keeping your home automated and efficient.

Before You Buy This Plug

You must own a Zigbee hub to use this device. It does not connect via Wi-Fi. Verify your hub supports Zigbee 3.0. SmartThings and Home Assistant are listed as compatible. Without these, the plug remains a standard outlet. Check your smart home ecosystem first. The plug monitors energy use. You can track power consumption in the NOUS app or your hub interface. This helps you optimize usage. The 15A limit suits most appliances. Avoid high-draw heaters. The design fits standard sockets. It does not block adjacent outlets. This makes it practical for multiple devices. Compare this to Wi-Fi plugs. Those connect directly. This one relies on your hub. If you already have a Zigbee network, this adds monitoring. If not, you need extra hardware. It fits into existing smart home controls. It does not replace your thermostat. It manages individual devices. Ensure your hub has enough range. The plug uses a mesh network. Proximity to other devices helps stability.

Check before you buy

• Confirm you have a Zigbee 3.0 hub like SmartThings or Home Assistant.
• Verify your hub supports the NOUS app or local control integration.
• Check if your appliances draw less than 15A or 1500W.
• Ensure your hub has sufficient signal strength for the outlet location.

The product at a glance

1

NOUS Zigbee Smart Plug with Energy Monitoring

Best for: Hub-based homes needing energy monitoring

Smart Home Compatibility

Alexa, Google Home, SmartThings

Hub Requirement

Hub Required

Connectivity

Zigbee 3.0

Maximum Load

15A (1500W)

Dimensions

2.17 × 2.2 × 1.97 inches

View on Amazon: NOUS Zigbee Smart Plug with Energy Monitoring Affiliate link

This NOUS smart plug uses Zigbee 3.0 connectivity, requiring a compatible hub like SmartThings or Home Assistant for operation. It features real-time energy monitoring and supports a maximum load of 15A (1500W). You can control it via voice assistants or the NOUS app. Its compact design fits standard wall sockets without blocking adjacent outlets. It is suitable for users who want detailed power tracking and reliable automation through a central hub.

Pros

• Built-in energy monitoring for real-time power tracking
• 15A (1500W) maximum load capacity
• Compatible with Alexa, Google Home, and SmartThings
• Compact design avoids blocking adjacent outlets

Cons

• Requires a separate Zigbee hub to function
• No native Wi-Fi connectivity for direct app control
• Limited to 1500W load, unsuitable for high-draw appliances

Good fit if

• You already use a Zigbee hub like SmartThings or Home Assistant
• You want to monitor energy consumption of specific devices
• You need a compact plug that does not block other outlets

Skip if

• You do not have a Zigbee hub available
• You prefer plug-and-play Wi-Fi devices without extra hardware
• You need to control high-power appliances exceeding 1500W

Verdict: NOUS Zigbee Smart Plug with Energy Monitoring is a solid option for hub-based smart home users who need energy tracking. It fits well in setups using SmartThings or Home Assistant but is not suitable for standalone Wi-Fi users.

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See also

• nous zigbee smart plug alternatives
• best smart thermostats under 50
• envi smart envi wi fi plug in review
• best smart home hubs with zigbee