Home Assistant
Intermediate RecommendedHome Assistant is one of the best Google Home alternatives. Your entire smart home controlled from your NAS. Local, private, no cloud.
Information verified on July 22, 2026
Description
Home Assistant is the most complete open source home automation platform. Compatible with thousands of smart devices (Zigbee, Z-Wave, Wi-Fi, Matter), it runs entirely locally, without cloud. Installing it on a NAS via Docker is the simplest method. Automations are powerful: lights, heating, blinds, cameras, everything controlled from one interface. The community is huge.
Key features
- 2000+ integrations
- Advanced automations
- Customizable dashboard
- Docker / Raspberry Pi
- 100% local possible
Strengths
- + Compatible with 2000+ integrations
- + No mandatory cloud dependency
- + Powerful and flexible automations
- + Massive and very active community
Weaknesses
- − Learning curve for advanced automations
- − YAML configuration sometimes needed
- − Some devices require adapters (Zigbee, Z-Wave)
Recommended for
- Control your smart home without Google/Amazon
- Automate your home in complete privacy
Home Assistant vs Google Home: the comparison
| Criterion | Home Assistant | Google Home |
|---|---|---|
| Price | Free, open source software. Official Home Assistant Green box at about €179. | Free (paid Nest hardware) |
| Targeted ads on your data | No | Yes (home data linked to your Google account) |
| Source code | Open (auditable) | Proprietary |
| Migration difficulty | Moderate (3/5) | — |
Comparison
Home Assistant is the reference for local home automation: thousands of compatible devices, no cloud. It replaces Google Home, not Google Drive: for your files, Nextcloud plays that role. NAS installation goes through Docker.
This topic is chapter 6 of my book
It answers these questions, among others:
- how do you empty Google Drive without losing anything, Google Docs included?
- encrypted cloud, NAS or personal server: which one fits your profile?
- and what does a NAS at home really involve, day to day?
Forthcoming 22/10/2026 from Éditions Eyrolles
Frequently asked questions
How much does Home Assistant cost?
Free, open source software. Official Home Assistant Green box at about €179.
How do you switch from Google Home to Home Assistant?
Estimated difficulty: Moderate (3/5). Simple installation via Docker or dedicated device. Complex automations take time.
Who is Home Assistant for?
Users wanting a smart home without relying on Google Home, Alexa or Apple HomeKit.
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