Kasa KE100 Smart Radiator Thermostat, Smart TRV with Precise Temperature Control, Schedules & Frost Protection
Pros
- M30x1.5 fitting plus adaptors suits most common UK radiator valves
- Per-radiator scheduling and frost protection help cut wasted heating
- Works with Amazon Alexa and Google Assistant via the Kasa app
Cons
- Requires a separate Kasa KH100 hub to unlock full smart features
- Danfoss RA-type valves may need an extra adaptor
How it compares in Radiators & Accessories
We list 37 radiators & accessories products, priced from £8.95 to £390.99. At £29.99 this one is the 3rd cheapest of them — 34 cost more. The average across the subcategory is £136.50 and the midpoint is £104.99, so it lands £106.51 below the average.
Its 4.1-star score sits 0.29 below the radiators & accessories average of 4.39, with 34 of the 37 rated higher. Its 485 Amazon reviews make it the 10th most-reviewed here, against a subcategory average of 382.
Price position in Radiators & Accessories
Splitting the subcategory into three price bands puts this product in the Budget band (£9.65–£79.99), which holds 12 of 36 products and averages £58.11 at 4.30 stars.
| Band | Range | Products | Average price | Average rating |
|---|---|---|---|---|
| BudgetThis one | £9.65–£79.99 | 12 | £58.11 | 4.30 |
| Mid-range | £82.99–£149.99 | 12 | £110.06 | 4.43 |
| Premium | £151.99–£332.00 | 12 | £214.86 | 4.40 |
About this product
The TP-Link Kasa KE100 Smart Radiator Thermostat offers precise temperature control for your space heating needs. This device allows you to manage your radiator valves remotely via a smartphone app, compatible with Amazon Alexa and Google Assistant for hands-free voice control. It’s designed for homeowners seeking to optimise their heating schedules and enhance comfort within the home.
This smart radiator valve utilises Wi-Fi connectivity and supports geofencing, adjusting temperatures automatically as you approach or leave your property. With external temperature sensor support – compatible with devices such as the Tapo T310 or T315 – it adapts heat based on your space rather than just proximity to the radiator. The device also includes open window detection, automatically shutting off the heat and enabling frost protection when connected to a compatible door/window sensor.
The Kasa KE100 features an LED display and is powered by two included AA batteries. It’s designed for wall mounting using a standard M30x1.5 fitting plus adaptors suit most common UK radiator valves. Please note that the full smart functionality requires the TP-Link KH100 hub.
This device comes with one Cover Opener, one RA adapter, and two AA/LR6 batteries. It’s available in white and features a round item shape. The Kasa KE100 is part of the TP-Link brand and model name KE100.
Related attributes
FAQ
What is the Kasa KE100 best suited for?
The Kasa KE100 Smart Radiator Thermostat is designed for individual room heating control, particularly beneficial in larger homes with multiple radiators. It excels at creating personalized schedules and offers frost protection to maintain consistent temperatures.
What materials does the Kasa KE100 thermostat use?
The thermostat itself has a white colour scheme and is constructed as a valve add-on, utilising a round item shape. It includes a cover opener, RA adapter, and utilises 2 AA batteries for operation.
How does this thermostat fit onto existing radiators?
The Kasa KE100 features a M30x1.5 fitting with adaptors, allowing it to suit most common UK radiator valves. However, you may need an additional adaptor if you have a Danfoss RA-type valve.
What kind of control methods does the thermostat offer?
The Kasa KE100 provides both app and voice control functionality; compatible with Amazon Alexa and Google Assistant via the Kasa app, enabling hands-free adjustment of temperatures.
Can I group multiple radiators together for control?
Yes, the device supports Group Control allowing you to manage several smart radiator valves simultaneously through a single tab within the Kasa app.
Does the thermostat require any external sensors?
The KE100 is compatible with external temperature sensors such as the Tapo T310 or T315, enabling it to adjust heat based on actual space temperatures rather than just proximity to the radiator.
What safety features does this thermostat have?
When combined with a connected window & door sensor (Tapo T110), the KE100 automatically shuts down heating and activates frost protection, adding an extra layer of security for your home.
How do I maintain and clean the Kasa KE100?
Cleaning the thermostat involves wiping the LED display with a soft, dry cloth. Ensure the batteries are correctly installed and replaced as needed to maintain optimal performance.
What is the price range for this thermostat compared to alternatives?
Priced around £29.64, the Kasa KE100 falls into a budget price tier, competing with similar smart radiator valves available in the market.
Does the thermostat require any additional equipment to fully utilise its features?
While compatible with Amazon Alexa and Google Assistant, unlocking full smart features requires a separate Kasa KH100 hub.
£29.99
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