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.
Mysa ST-V1-0 White, 7-Day, 24V, C-Wire Required Smart Thermostat for Heating and Cooling
Available offers (3)
Current
White, 7-Day, 24V, C-Wire Required
Retailer
€115.04
Available to order
—
Price history by offer
Volatility: HighFeatures
- Energy Star certified to reduce heating and cooling costs
- Connects directly to WiFi with no hub required
- Smart Geofencing that detects when you leave
- 7-day scheduling and control from anywhere via app
- Matter support for Apple HomeKit, Google Home, and Alexa
- Easy DIY installation with step-by-step video guidance
- No monthly subscriptions with free app forever
- Heat pump compatible for efficient operation
- Premium minimalist design with adaptive LED display
- Monitor home health with humidity and temperature sensors
- Shared access control for family or guests
- 5-year hardware protection with expert support
General specs
- Brand: Mysa
- Model: ST-V1-0
- Seller: Retailer
- ID: B0G4SJPXBC
- C-Wire: Required
- Voltage: 24
- Material: Plastic
- IP Rating: IP20
- Dimensions: 4.330708657, 4.330708657, 0.7086614166
- Scheduling: 7-Day
- Connectivity: Wi-Fi
- Display Type: LED
- Power Source: Hardwired
- Mounting Type: Wall Mount
- Control Methods: App, Voice
- OS Compatibility: Android, iOS
- Compatible Systems: Air Conditioner, Fan Coil Unit, Heat Pump
- Smart Home Compatibility: Amazon Alexa, Apple HomeKit, Google Assistant
- First listed by seller: February 2, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
United States
United States
Available
For the homeowner who wants to save money without sacrificing comfort, this smart thermostat is your partner in managing energy bills. It’s perfect for busy families who forget to adjust the thermostat when leaving for work or school. While many focus on home security, this device offers peace of mind through energy efficiency, ensuring your home stays comfortable while you’re away without wasting resources.
The geofencing feature detects when you leave and automatically adjusts the temperature, so you never pay to heat or cool an empty house. You’ll notice the adaptive LED display glows softly when touched and fades away, keeping your room distraction-free. Control it from anywhere with the Mysa app, set 7-day schedules, and monitor humidity levels to prevent issues like frozen pipes. It connects directly to your WiFi with no hub required, and you can share access with family or roommates easily. Energy Star certified, it works with most 24V central HVAC systems, including heat pumps, and requires a C-wire for installation. With no monthly subscriptions and a 5-year hardware protection, it’s a reliable addition to any modern home.
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Mysa ST-V1-0 White
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Google GA02082-US Sand Programmable WiFi thermostat
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Honeywell RENEWRTH9585WF/U Silver Energy Star certified for energy savings
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| Brand | Mysa | Honeywell | LUX | vine | ||
| Model | ST-V1-0 | GA02082-US | RENEWRTH9585WF/U | TQ1 | GA01334-US | B0FFBC4MV4 |
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| Price | €115.04 | €107.02 | €70.43 | €66.88 | €62.38 | €71.33 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Jun 19, 2026 | May 29, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 |
| C-Wire | Required | Required | Required | Required | Required | |
| Dimensions | 4.330708657, 4.330708657, 0.7086614166 | 3.30709, 1.0728346, 3.30709 | 4.5, 3.5, 0.88 | 3.54, 3.54, 1.1 | 3.31, 1.07, 3.31 | |
| Scheduling | 7-Day | Weekly | Flexible programming | Weekly | Weekly | |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Display Type | LED | Touchscreen | LCD | LCD | ||
| Power Source | Hardwired | Hardwired | Hardwired | Hardwired | Hardwired | Wired |
| Mounting Type | Wall Mount | Wall Mount | Wall Mount | Wall Mount | ||
| Control Methods | App, Voice | App, Voice | Touchscreen | App, Buttons, Voice | App, Manual, Voice | App, Voice |
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | Android, iOS | ||
| Compatible Systems | Air Conditioner, Fan Coil Unit, Heat Pump | Air Conditioner, Electric Boiler, Electric Floor Heating, Fan Coil Unit, Gas Boiler, Hydronic Floor Heating, Water Heating | Forced air (gas, oil or electric), Hot water and steam, Heat pumps with electric backup | Air Conditioner, Electric Boiler, Electric Floor Heating, Fan Coil Unit, Gas Boiler, Hydronic Floor Heating, Water Heating | Air Conditioner, Electric Boiler, Electric Floor Heating, Fan Coil Unit, Gas Boiler, Hydronic Floor Heating, Water Heating | |
| Smart Home Compatibility | Amazon Alexa, Apple HomeKit, Google Assistant | Google Assistant | Amazon Alexa, Apple HomeKit, Google Assistant, SmartThings | Amazon Alexa, Google Assistant | ||
Mysa ST-V1-0 White
€115.04
When this device makes sense
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