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tado° Thermostat X vs TP-Link Kasa KE100
Prices in euros from Amazon.de, as of 11 June 2026. Prices and availability may differ on Amazon.co.uk.
By Seydhan Cakmak · Editor-in-chief · Last checked: · AI-translated from the German original
Both are smart radiator thermostat kits with a hub and Matter connectivity but differ clearly in price and features. The tado° X relies on a USB-C battery, Thread and a touch display, the TP-Link Kasa KE100 on a cheap entry with plenty of scalability. We compare power supply, smart home standards, expansion, window detection and price.
Editorial rating based on manufacturer specs and Amazon catalogue data. We do not trial products ourselves. How we rate
Who wins in which category?
| Category | Winner | Reasoning |
|---|---|---|
| Power supply | tado° Thermostat X | removable USB-C battery (about 2 h charging, 1× per season according to the manufacturer) against battery operation on the Kasa KE100. |
| Smart home standards | tado° Thermostat X | Matter and Thread (Bridge X as border router) against Matter over 2.4 GHz Wi-Fi on the Kasa. |
| Expansion per hub | TP-Link Kasa KE100 | one KH100 hub controls up to 32 radiators, a concrete figure that tado° does not state in this form. |
| Open-window detection | tado° Thermostat X | works without an additional sensor, while on the Kasa it needs the separately available Tapo T110. |
| Valve adapters | TP-Link Kasa KE100 | 6 adapters (RA, RAV, RAVL, CAL, M28, GIA) for M30x1.5 against the single universal adapter in the tado° kit. |
| Price | TP-Link Kasa KE100 | from €41 against from €138 for the tado° starter kit. |
Which one is right for you?
If you want maximum future-proofing with Thread, a rechargeable battery instead of batteries and sensorless window detection → tado° Thermostat X. If you want to make a whole flat smart cheaply and control up to 32 radiators per hub → TP-Link Kasa KE100. In price they are worlds apart: the tado° offers more technology and comfort, the Kasa a much easier entry.
tado° Thermostat X or TP-Link Kasa KE100? Short answer.
Which is better: tado° Thermostat X or TP-Link Kasa KE100?
It depends on your priority. Power supply: tado° Thermostat X (removable USB-C battery (about 2 h charging, 1× per season according to the manufacturer) against battery operation on the Kasa KE100); smart home standards: tado° Thermostat X (Matter and Thread (Bridge X as border router) against Matter over 2.4 GHz Wi-Fi on the Kasa); expansion per hub: TP-Link Kasa KE100 (one KH100 hub controls up to 32 radiators, a concrete figure that tado° does not state in this form). The verdict of this comparison explains which model suits which type of user.
How do the tado° radiator thermostat and the TP-Link Kasa differ?
The tado° radiator thermostat and the TP-Link Kasa differ mainly in these points: power supply (advantage tado° Thermostat X), smart home standards (advantage tado° Thermostat X), expansion per hub (advantage TP-Link Kasa KE100), open-window detection (advantage tado° Thermostat X), valve adapters (advantage TP-Link Kasa KE100), price (advantage TP-Link Kasa KE100).
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