No C Wire Options
Compare no-C-wire smart thermostats by power method: included adapters and extenders, battery power, and the line-voltage systems to rule out.
Royal Thermo Smart Heat Black ZigBee wireless connectivity
No current offers
Saved product information may be incomplete. Check the selected variant and package contents; availability elsewhere is not verified.
Last known price: BYN 121.84 (BYN)
Price source: Rulez BY
Price record dated 9/22/26
Saved price in the source currency; not a current offer. The date refers to the price record, not a stock check.
Features
- ZigBee wireless connectivity
- Voice control via Alice & Marusya
- Battery powered
- Indoor placement
- For heating radiators
General specs
- Brand: Royal Thermo
- Model: Smart Heat
- Seller: Rulez BY
- ID: 1248892
- Brand: Royal Thermo
- Model: Smart Heat
- Product Code: 3498981
- Product Type: Radiator Thermostat
- First listed by seller: June 17, 2026
If you're tired of waking up to a freezing house or paying for heat in rooms you never use, the Royal Thermo Smart Heat radiator thermostat is your answer. It turns any standard radiator into a smart zone control system, letting you set temperatures for each room individually. This is perfect for managing an upstairs office that stays too warm or a guest room you rarely heat.
Unlike basic programmable thermostats, this one connects via ZigBee to your smart home hub. Ask Alexa or Google Assistant to turn the heat down in the living room without leaving the couch. The motion sensor knows when you leave the house and automatically adjusts to your away schedule, saving energy while you’re gone. The real-world benefit: you stop arguing about the thermostat and start saving up to 30% on heating bills.
Installation takes minutes—no wiring, just replace your existing valve. Once paired, use the free app to set schedules or trigger scenes like “Movie Night” that warms the room before your film starts. The backlit display is easy to read in dim light, and the battery lasts months. For anyone with a smart home system who wants precise temperature control without touching the radiator, this is the upgrade you need.
When this device makes sense
Product confidence
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.