KETOTEK WiFi Smart Thermostat for Electric Underfloor Heating Review (2026)
A budget-friendly 16A smart thermostat designed to bring app and voice control to electric underfloor heating systems.
Quick verdict
An excellent value-for-money option for homeowners looking to upgrade old-fashioned dial or basic digital underfloor controllers. While it requires professional wiring and lacks the advanced AI of high-end brands, its Tuya-based app control provides all the essentials for reducing wasted heat.
PowerGuardian Rating
Who it's best for
- Budget-conscious UK renovators
- Homes with existing electric underfloor mats
- Users already using the Tuya or Smart Life app ecosystems
Who should avoid it
- You have a water-based central heating system
- You are not comfortable with mains electrical wiring
- You want advanced features like geo-fencing or 'learning' algorithms
Overview
Key features
- 16A / 3600W maximum load
- WiFi connectivity via Tuya/Smart Life app
- External floor sensor probe included
- 7-day programmable scheduling
- Alexa and Google Assistant compatible
- Backlit LCD touch screen
Real world performance
Energy saving potential
Installation
Running costs
Pros
- Competitive price point compared to premium brands
- Universal Tuya app integration provides good automation
- Includes external sensor for accurate floor temp monitoring
- Sleek, modern aesthetic fits most UK décors
Cons
- Requires a deep back box for comfortable wiring
- WiFi pairing can be temperamental on dual-band routers
- Instruction manual can be difficult to follow
- Not suitable for standard gas boiler/water systems
Alternatives
BeFit24 Tuya Smart Thermostat
A very similar competitor often found at a slightly lower price point.
Warmup 6iE Smart WiFi
A premium UK-focused alternative with significantly better energy monitoring features.
Frequently asked questions
Will this work with my gas boiler?
No, this specific model is a 16A version designed for high-load electric underfloor heating. Gas boilers typically require a 'volt-free' or 3A controller.
Does it require a separate hub?
No, it connects directly to your 2.4GHz WiFi router without the need for an additional bridge or hub.
What happens if the WiFi goes down?
The thermostat will continue to follow its locally stored schedule and can still be operated manually via the touch screen.
Can it be used in a bathroom?
The controller itself should be mounted outside the bathroom (Zone 3 or beyond) or in accordance with UK wiring regulations regarding IP ratings and moisture.
Final verdict
4.0 / 5An excellent value-for-money option for homeowners looking to upgrade old-fashioned dial or basic digital underfloor controllers. While it requires professional wiring and lacks the advanced AI of high-end brands, its Tuya-based app control provides all the essentials for reducing wasted heat.