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Published: 26 April 2025
Also featured in: Top 5 Smart Thermostats and 5 Best Smart Thermostats with Alexa Support in 2025
Overview
The Drayton Wiser Smart Radiator Thermostat TRV brings precise room-by-room temperature control to UK homes. With smart scheduling, voice assistant support, and energy-saving features like open window detection and geolocation, it’s a powerful upgrade for zoned heating systems. It’s also easy to install, making it accessible to anyone upgrading to smarter heating in 2025.
In this review, we explore how the Drayton Wiser TRV performs in everyday use, what features stand out, and how it compares to other smart radiator valves on the market.
Key Features
- ✅ Room-by-room scheduling via Wiser Home App
- ✅ Geolocation and open window detection
- ✅ Manual twist-top control on device
- ✅ Works with Alexa and Google Assistant
- ✅ Powered by 2x AA batteries (included)
- ✅ Requires Wiser Hub for smart features
This TRV is ideal for households aiming to reduce waste by avoiding unnecessary heating in empty rooms. With precise control, it can help reduce heating bills without compromising comfort.
Performance in Real-World Use
In testing, the Drayton Wiser TRV delivered responsive and stable performance. App-based commands synced within seconds, and the geolocation feature reliably adjusted temperatures when the home was unoccupied. The manual twist interface works well, though there can be a slight delay syncing with the app.
The app interface is clean and functional, letting you easily set time-based heating schedules for each room. It’s a practical and scalable solution, especially when used in homes with multiple radiators.
Everyday Use Cases for UK Homes
- 🛏️ Warm bedrooms at night: Schedule heating to rise in the evening and fall after bedtime.
- 💻 Energy savings in unused rooms: Reduce heating in guest rooms or home offices when not in use.
- 🌬️ Open window detection: Automatically stops heating when sudden temperature drops are detected.
- 📍 Geolocation-based savings: Heating reduces when no one is home and resumes as you return.
- 📱 Remote adjustments: Control all radiators from your phone while travelling or commuting.
It’s especially helpful for households with inconsistent daily routines or shared spaces with varied heating needs.
Wiser TRV vs. Other Smart Thermostats
- 🔥 vs. tado° Smart TRV: tado° has native HomeKit support; Wiser is more affordable and easier to install.
- 💬 vs. Netatmo Valves: Netatmo looks sleeker but requires more setup; Wiser is plug-and-play with Wiser Hub.
- 📉 vs. Traditional TRVs: Traditional TRVs have no scheduling or automation. Wiser offers full control and app integration.
- 📶 vs. Hive Radiator Valve: Hive is app-centric but has fewer energy-focused features than Wiser.
Wiser TRVs stand out for their practical value, easy integration, and solid energy-saving performance when paired with the full Wiser system.
Pros
- Room-by-room control boosts comfort and savings
- Works with Alexa and Google Assistant
- Quick DIY install on most UK radiators
- App includes geolocation and open window detection
- Clean design with twist-to-adjust interface
Cons
- Requires Wiser Hub for full smart functionality
- Manual changes take a few seconds to reflect in app
- No HomeKit or Matter support (as of 2025)
Final Verdict
For homeowners looking to modernise their heating system with precise, app-based control, the Drayton Wiser Smart Radiator Thermostat TRV is an excellent choice. It balances affordability, functionality, and ease of use, especially for UK homes with multiple heating zones.
★★★★☆ (4.5/5)