Smart homes can include everything from connected lights and heating controls to security sensors, cameras, smart plugs and door locks. As the number of devices grows, having one central system that helps them communicate can make managing your smart home much easier.
This is where a smart home hub comes in.
But what exactly does a smart home hub do, which devices need one and can you build a smart home without a hub?
What Is a Smart Home Hub?
A smart home hub is a central device that connects compatible smart home products and allows them to communicate with each other. It can bring devices such as sensors, lights, plugs, heating controls and security equipment into one system, enabling app control, automations and routines. Depending on the hub, it may use technologies such as Zigbee, Z-Wave, Thread, Matter, Wi-Fi or Bluetooth.
Think of the hub as the central coordinator of your connected home.
Rather than every device operating independently, a compatible hub can allow different products to respond to each other and create more useful automations.
Explore hub-based smart home systems to see the different options available for creating a connected smart home.
What Does a Smart Home Hub Do?
The main purpose of a smart home hub is to connect and manage compatible devices.
For example, you could have a motion sensor, smart bulb and smart plug connected to the same ecosystem. Instead of controlling each product separately, you may be able to create an automation where detecting movement automatically switches on a light.
A hub can potentially help with:
- Connecting compatible smart devices
- Creating automated routines
- Controlling multiple devices from an app
- Allowing sensors to trigger other devices
- Connecting certain devices to the internet
- Enabling remote control
- Integrating with voice assistants
- Managing different rooms and zones
- Providing local automation on compatible systems
Exactly what your hub can do depends on the model and ecosystem you choose.
Do You Need a Smart Home Hub?
You don’t always need a smart home hub. Many Wi-Fi smart devices can connect directly to your router and be controlled through an app. However, a dedicated hub can be useful if you want to connect multiple sensors and devices, use technologies such as Zigbee or Thread, create more advanced automations or build a larger smart home system.
For someone who simply wants a couple of Wi-Fi smart plugs or bulbs, a dedicated hub may be unnecessary.
However, once you begin adding sensors, heating controls, security equipment and other devices, a hub-based system can become much more useful.
Smart & Secure offers a wide range of smart home devices covering hub-based systems alongside Wi-Fi, Zigbee, Matter, Thread and other smart home technologies.
How Does a Smart Home Hub Connect Devices?
Smart home products don’t all communicate in the same way.
Some connect directly to your Wi-Fi network, while others use dedicated smart home communication protocols.
Common technologies include:
Wi-Fi – Devices connect directly to your home’s wireless network.
Bluetooth – Often used for nearby device communication and initial setup.
Zigbee – A low-power wireless protocol widely used by smart sensors, bulbs, switches and other devices.
Z-Wave – Another wireless protocol developed specifically for smart home and automation applications.
Thread – A low-power mesh networking technology designed for connected devices.
Matter – A smart home interoperability standard designed to make it easier for compatible products from different manufacturers to work across supported ecosystems.
The important point is that compatibility matters.
Buying a Zigbee product does not automatically mean that it will work with every Zigbee hub, for example. You should always check that the specific device and hub are designed to work together.
What Is a Hive Hub?
A Hive Hub is the central connection point for compatible Hive smart home products.
It connects supported Hive products and allows them to be managed remotely through the Hive app on a smartphone, tablet or laptop.
The hub essentially provides the connection between compatible Hive devices and the wider Hive smart home ecosystem.
This can allow products to work together rather than operating independently.
You can explore Hive Smart Hubs to learn more about available Hive hub options and compatible equipment.
What Does a Hive Hub Do?
A Hive Hub connects compatible Hive products so they can communicate and be managed through the Hive platform.
Depending on the products in your system, this can allow you to control smart heating, lighting, plugs and sensors from one place.
The Hive Hub is designed to connect Hive products and enable remote management through the Hive app.
Hive systems can also integrate with supported voice and smart home platforms, providing additional ways to control compatible devices.
For households already using Hive products, a Hive Hub can therefore form the heart of the connected system.
What Is the Difference Between a Smart Home Hub and Wi-Fi?
Wi-Fi is a wireless network technology, while a smart home hub is a device that manages and connects compatible smart products.
Some smart devices connect directly to Wi-Fi and therefore don’t require a separate hub.
Others communicate using protocols such as Zigbee and require a compatible hub or bridge to connect them to your wider smart home.
There are advantages to both approaches.
Wi-Fi devices can be simple to install because they connect directly to your existing network. Hub-based devices can be particularly useful when building larger systems containing multiple low-power sensors and automation devices.
The best option depends on what you want your smart home to do.
Can a Smart Home Hub Work Without the Internet?
This depends on the hub.
Some smart home hubs can process certain automations locally. This means compatible routines may continue operating within your home even if the internet connection becomes unavailable.
Other functions, particularly remote app access and cloud-based services, are likely to require an internet connection.
Local control can be useful for automations that you want to remain reliable regardless of your broadband connection.
For example, a compatible door sensor triggering a hallway light is the kind of automation that may be capable of running locally on some ecosystems.
Always check the specifications of the individual hub because offline functionality varies considerably between systems.
What Are the Main Smart Home Ecosystems?
There are now several major smart home ecosystems, each offering different approaches to connected devices.
Hive
Hive is particularly well known in the UK for smart heating, but its ecosystem has also included other connected home products.
A Hive Hub acts as the connection point for compatible Hive devices.
Aqara
Aqara offers a broad ecosystem covering smart sensors, switches, cameras, locks, lighting and other automation products.
The Aqara smart home range includes several hub options, making it possible to choose a model based on the size and complexity of your system.
For example, the Aqara Hub M2 can connect compatible Aqara Zigbee accessories and can connect to a network using Wi-Fi or Ethernet.
Newer hub technology can also provide broader support for Matter and Thread, helping bridge different smart home technologies.
Amazon Alexa
Amazon Alexa is often used as the voice-control layer for a smart home.
Many devices can integrate with Alexa directly through Wi-Fi or their manufacturer’s cloud service, while certain Echo devices also include built-in smart home connectivity.
Google Home
Google Home provides another major smart home platform, bringing supported devices into the Google Home app and enabling control through Google Assistant-compatible products.
Apple Home
Apple’s smart home ecosystem allows compatible devices to be controlled through the Home app across supported Apple devices.
Matter has also increased the potential for compatible products to operate across several major smart home platforms rather than being restricted to a single ecosystem.
What Is Matter and Why Does It Matter for Smart Home Hubs?
Matter is designed to improve interoperability between smart home products.
Historically, one of the biggest challenges when building a smart home has been compatibility. A device designed for one ecosystem might not necessarily work with another.
Matter aims to provide a common standard that participating manufacturers and platforms can support.
This doesn’t mean that every Matter device automatically offers identical functionality on every platform, but it can make choosing compatible smart home products considerably easier.
Modern hubs such as the Aqara Hub M200 demonstrate how hubs are evolving. The M200 supports Matter and Zigbee devices and can integrate with several major third-party ecosystems.
What Is Thread?
Thread is a low-power mesh networking technology developed specifically for connected devices.
In a Thread network, compatible devices can form a mesh rather than every product relying on a direct connection to your Wi-Fi router.
A Thread Border Router provides the connection between the Thread network and the rest of your home network.
Some modern smart home hubs can function as Thread Border Routers as well as performing other hub duties.
Thread and Matter are often discussed together, but they are not the same thing. Thread is a networking technology, whereas Matter is an interoperability standard that can operate over technologies including Thread and Wi-Fi.
Is a Dedicated Smart Home Hub Better?
A dedicated hub isn’t automatically better for every smart home.
It becomes particularly useful when you want to build a more comprehensive system.
You may benefit from a dedicated hub if:
- You want numerous smart sensors around your home
- You are building more advanced automations
- Your chosen devices require Zigbee or another hub-based protocol
- You want compatible devices to communicate directly
- You want certain automations to operate locally
- You want to reduce the number of individual Wi-Fi devices on your network
- You are building your smart home around a particular ecosystem
If you only have one or two simple Wi-Fi products, adding another piece of hardware may offer little benefit.
What Can You Connect to a Smart Home Hub?
Depending on the ecosystem, a hub can potentially connect a wide variety of products.
These may include:
- Motion sensors
- Door and window sensors
- Smart bulbs
- Smart switches
- Smart plugs
- Smart thermostats
- Radiator controls
- Water leak sensors
- Temperature sensors
- Smart locks
- Security devices
- Cameras
- Curtain and blind controllers
This is where hub-based automation becomes particularly powerful.
Instead of simply controlling devices remotely, you can begin making devices react automatically to changes around your home.
What Can You Automate With a Smart Home Hub?
A well-designed smart home can perform actions automatically rather than waiting for you to open an app.
For example, you could potentially create routines where:
Motion detected → hallway lights switch on
Window opened → heating turns down
Water leak detected → notification is sent
Front door opened → selected lights switch on
Nobody home → lights and appliances switch off
Temperature drops → heating responds
The exact possibilities depend on your devices, hub and chosen ecosystem.
Systems such as Aqara place significant emphasis on scenes and automations, allowing compatible sensors to trigger other connected devices.
How Do You Choose the Right Smart Home Hub?
Start with the devices you actually want to use rather than choosing a hub based solely on its specifications.
Ask yourself:
Which devices do I want to connect?
If you already own smart products, check which hubs and ecosystems support them.
Which protocol do they use?
Look for technologies such as Zigbee, Z-Wave, Thread, Matter and Wi-Fi.
Which ecosystem do I prefer?
Consider whether you primarily use Alexa, Google Home, Apple Home, Hive, Aqara or another platform.
Do I want local automations?
If keeping certain routines operating without an internet connection matters to you, investigate the hub’s local automation capabilities.
How large will my smart home become?
Think beyond your first purchase. If you intend to add dozens of sensors, switches and other devices over time, choose a system that gives you room to expand.
Can You Use More Than One Smart Home Hub?
Yes.
A home doesn’t necessarily need to use only one hub or ecosystem.
You could have different hubs managing different groups of products, with a broader smart home platform bringing supported devices together.
Matter is helping make this type of multi-platform smart home easier, although compatibility should still be checked before purchasing individual devices.
For many households, keeping the system relatively simple is preferable. Choosing compatible products from the outset can prevent your smart home becoming a collection of separate apps and systems that don’t communicate effectively.
Should You Buy a Smart Home Hub?
If you’re planning a larger connected home, a smart home hub can be one of the most useful components you purchase.
It provides a central point through which compatible devices can communicate and can unlock automations that go far beyond simply switching a device on or off from your phone.
A dedicated hub is particularly worth considering if you’re using Zigbee devices, smart sensors, automated heating, security equipment or multiple connected products throughout your home.
If you’re already invested in Hive, a Hive Hub may provide the connection required to bring compatible Hive products together. Alternatively, ecosystems such as Aqara offer a growing selection of hubs and devices with support for technologies including Zigbee, Matter and Thread.
The most important consideration is compatibility. Decide what you want your smart home to achieve, identify the devices you’ll need and then choose a hub capable of bringing them together.
Explore the complete range of hub-based smart home systems from Smart & Secure to compare smart home hubs, compatible devices and automation solutions for your home.