TP-Link · Mainstream cloud hubs
Kasa Smart Hub KH100
proprietary · Wi-Fi · no local API · about $25
cloud requiredcloud required
Protocols
proprietaryWi-Fi
1 W
Idle power
$25
List price
~40
Devices (est.)
Specifications
| Category | Mainstream cloud hubs |
|---|---|
| Protocols | proprietary, Wi-Fi |
| Cloud dependency | cloud required |
| Local API | no local API |
| Voice assistants | Alexa, Google |
| Open source | closed-source |
| Directly supported devices (est.) | ~40 |
| Idle power draw | ~1 W |
| Update outlook | long-term support 5y+ |
| List price (Amazon.com, Q2/2026) | about $25 |
Best for: Budget under $80
Setup & gotchas
🌡️ In practice the KH100 is bought mainly to run KE100 radiator valves, which cannot connect without it.
Editorial take
Our hands-on read — the specs above are the sourced facts.
Strengths
- + Bridges low-power Kasa and Tapo sensors and the KE100 radiator valve
- + Adds Matter support for the KE100 thermostat via the hub
- + Inexpensive and simple to set up
Trade-offs
- − Limited to the Kasa and Tapo device catalog
- − Cloud-required with no local API
- − Small ecosystem compared with Zigbee or Z-Wave hubs
Related hubs
Frequently asked questions
Does the Kasa Smart Hub KH100 require the cloud?
Yes. The Kasa Smart Hub KH100 is cloud-required — a vendor account and an internet connection are needed, and routines run through the vendor cloud (no local API).
Which protocols and voice assistants does the Kasa Smart Hub KH100 support?
Protocols: proprietary, Wi-Fi. Voice: Alexa, Google. It directly supports an estimated 40 devices/brands.
How much does the Kasa Smart Hub KH100 cost and how much power does it use?
List price is about $25 (Amazon.com market observation, Q2/2026 — actual prices fluctuate). Idle power draw is roughly 1 W. The hardware and firmware are closed-source.
Source & last checked
- TP-Link KH100 support page: tp-link.com/us/support/download/kh100/ ↗
- Sources last checked: 2026-07-20 · Prices: Amazon.com market observation, Q2/2026
- Idle-power and device-count figures are vendor-claimed or community-measured estimates. Prices fluctuate. Details without warranty — check the current manufacturer spec sheet before buying.