Is Home Assistant Better for Privacy?
Home Assistant is generally better for privacy than typical cloud based smart home apps because it runs locally in your home and does not need to send your data to a manufacturer's server to work. Most core automations run entirely on your own hub, so what your sensors see and what your devices do stays on your network rather than passing through a third party cloud by default.
Why privacy is a real concern with typical smart home apps
Most single brand smart home apps route data through the manufacturer's cloud, even for simple actions like turning on a light from inside your own home. This means the company behind the device can see when you use it and in some cases what it detects, such as motion or presence. If the company changes its privacy policy, gets acquired or has a data breach, that data exposure is largely out of your control as the homeowner.
How Home Assistant is different
Home Assistant runs as software on a hub inside your home, most commonly a small dedicated computer such as a Raspberry Pi style device or a mini PC. Automations, device states and most communication between your devices and the hub stay on your local network rather than travelling to an external server. You still get an app and remote access when you want it, but the core system does not depend on sending data outside your home to function day to day.
This local first design also means your smart home keeps working correctly if your internet connection drops, which is a reliability benefit that comes from the same architecture that improves privacy.
What Home Assistant does and does not send externally
| Typical cloud smart home app | Home Assistant | |
|---|---|---|
| Where automations run | Manufacturer's cloud | Locally, on your hub |
| Data sent externally by default | Often continuous | Minimal, mostly for optional remote access |
| Depends on the vendor staying in business | Yes | No |
| Works if internet drops | Rarely | Most automations, yes |
| Who can access device data | Manufacturer and you | Primarily you |
Where privacy still depends on your choices
Home Assistant improves your baseline privacy, but individual devices still matter. A Wi-Fi camera or a voice assistant integration, for example, may still send data to its own manufacturer's cloud even when it is connected into Home Assistant, because the underlying hardware was built that way. Choosing devices that support local control through Zigbee, Thread or Matter, rather than relying only on the manufacturer's own cloud connected app, gives you the most consistent privacy outcome across your whole system.
Installation and safety
Setting up Home Assistant itself and adding Wi-Fi, Zigbee or Thread devices does not involve electrical work. Devices that need to be wired into your switchboard, such as certain hardwired switches or sensors, must be installed by a licensed electrician under Australian and NSW regulations. Hausie handles this distinction during your initial assessment and never treats hardwired work as optional.
What it costs
Costs depend on the hub hardware and the number of devices involved, so treat the figures below as general guidance rather than a quote. A basic Home Assistant hub with a handful of privacy focused, locally controlled devices typically starts in the low hundreds of dollars. A fuller system covering multiple rooms and device types costs more, mainly driven by device count and whether any hardwired work is needed. Hausie provides a fixed quote after assessing your home, so there are no surprises once work begins.
Hausie's recommendation
If privacy is a priority, Hausie recommends building on Home Assistant and choosing devices with genuine local control through Zigbee, Thread or Matter wherever practical, rather than devices that only work through a manufacturer's cloud app. Hausie configures the system so automations run locally by default and only uses cloud features, such as remote access, where you specifically want them.
FAQ
Does Home Assistant send my data anywhere by default? Core automations and device states are processed locally on your hub. Some optional features, such as remote access from outside your home, do use external services, but these are opt in rather than required.
Can I use Home Assistant without any internet connection at all? Most local automations and dashboard access on your home network will keep working without internet. Remote access from outside your home and some cloud connected devices will not.
Are all smart home devices equally private once connected to Home Assistant? No. A device's own hardware and firmware still determine whether it needs to talk to its manufacturer's cloud, even inside a Home Assistant setup. Choosing locally controllable devices gives the most consistent result.
Do I need an electrician to set up Home Assistant? Only for hardwired devices or a dedicated circuit for your hub. Wi-Fi, Zigbee and Thread devices that plug in or run on batteries do not need an electrician.
Does Hausie charge an ongoing subscription for a privacy focused setup? No. Home Assistant does not require a subscription to run locally, which is part of what keeps long term costs and data exposure lower.
Next step
If keeping your smart home data local matters to you, see how Hausie works or view Hausie smart home packages built around Home Assistant. You can also browse the Hausie product catalogue for locally controllable devices or get in touch to book an assessment.