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.
Smart Thermostat for Home
Found 216 items
- Features
- For water and gas boilers.
- ZigBee connectivity.
- Works with Tuya, Alexa, Google Home, and Yandex.
€125.76
- Features
- WiFi protocol; compatible with Amazon Alexa and Google Assistant.
- Works with 85% of 24V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, oil, hot water, solar, and geothermal.
- Supports 1 stage of heating (W1) and cooling (Y1), and a second stage of either heating (W2) or cooling (Y2).
- Features
- Wi-Fi wireless protocol
- Compatible with Amazon Alexa and Google Assistant
- Bluetooth and Wi-Fi connectivity
€24.72
- Features
- Power supply: 95–240 VAC, 50/60 Hz, or 24 V DC/AC, 50/60 Hz; check the laser-printed information on the thermostat back for the actual voltage.
- Current load: 5 A for water heating or gas boiler; 16 A for electric heating.
- Temperature control accuracy: ±1°C; set temperature range: 5–35°C.
- Features
- For water heating or gas boilers: 5 A; for electric heating: 16 A.
- Operating voltage: 95–245 V AC; supply frequency: 50–60 Hz.
- Zigbee standard: IEEE 802.15.4; operating frequency: 2.405–2.480 GHz.
- Features
- WiFi thermostat
- Heating and cooling
- Includes thermostat and receiver kit
- Features
- Low-voltage thermostat with WiFi connectivity
- Supports 2 cooling stages and 3 heating stages
- Wi-Fi connectivity enables remote thermostat control and monitoring
- Features
- Includes a programmable wireless FocusPRO thermostat and wireless adapter.
- Enables wireless zoning with TrueZONE panels.
- Internet Gateway is listed separately as an accessory; its inclusion in this kit is not established.
- Features
- Listed as (4H, 2C).
- T4800 requires an optional ACC-VWF2 module for Wi-Fi/Skyport connectivity; the offer does not explicitly include that module.
- Comfort Recovery starts the system before the occupied period and learns from experience, adjusting over 4–8 days.
- Features
- Onboard Wi-Fi
- Skyport Mobile remote control
- Local monitoring/control API
€126.66
- Features
- Onboard Wi-Fi
- Skyport Mobile remote control support
- Local monitoring/control API available
- Features
- Package includes the Nest Learning Thermostat, trim kit, Nest Temperature Sensor, CR2 lithium battery, screws, and box.
- The Google Home app adjusts temperature, updates schedules, and changes thermostat mode.
- Smart Schedule learns preferred temperatures and timing.
- Features
- WiFi connectivity
- App-enabled
- RedLINK 3.0
- Features
- 7 programs
- 3 H, 3 C heating/cooling designation
- Wall mount
- Features
- 3 heating stages and 2 cooling stages
- 7-day, 5-2, and 5-1-1 program options
- Wall-mounted
- Features
- Programmable
- Bluetooth and Wi-Fi enabled
- Compatible with Amazon Alexa
- Features
- Independent smart outlets with AI climate targeting for ideal environments
- Program outlets individually with climate triggers, schedules, timers, or AI sync
- Control from anywhere via WiFi app with real-time alerts and data charts
- Features
- Programmable
- Touchscreen controls
- Features
- Wi-Fi: Yes
- Large touchscreen display
- Features
- Compatible with Alexa, Google Home, and Yandex Home.
€153.76
- Features
- Learns how long the system takes to reach the desired temperature and starts earlier to meet the scheduled comfort time.
€87.75
- Features
- Dry-contact input supports occupancy sensors or switches.
- Selects normal or unoccupied settings and provides a motion-detector latch scheme that retains comfort settings during nighttime sleep.
€171.86
- Features
- Learns how long it takes to reach the desired temperature and adjusts heating or cooling start time accordingly.
