Adjust temperature from work, vacation, or the next room using the Mysa app
Mysa displays the room temperature, and the touch buttons allow you to adjust it
Build heating and cooling schedules that match your daily routine
[Coming Soon] Control with Apple HomeKit, Google Home, and Amazon Alexa via Matter
Geofencing detects when everyone leaves and drops heating or cooling to away temperature
Smart central heating and cooling
✓ Works with most 24V central HVAC systems
✓ Supports single and multi-stage heating/cooling
✓ Heat pumps with auxiliary (emergency) heat
✓ Two-wire 24V system support with Mysa C-Wire Power Adapter
Built for real homes and real savings
Easy installation in under 25 minutes
ENERGY STAR certified. Payback period averages 8-12 months based on typical HVAC costs
Connects directly to your 2.4 GHz WiFi network. Skip the hub, avoid extra devices cluttering your setup
See energy consumption in real-time or review monthly trends
Get notified of unusual changes with temperature and humidity alerts
[Coming 2026] Pair with Mysa Climate Sensor to balance hot and cold spots
Use your existing C-wire for steady power. If your system lacks one, add our C-Wire Adapter in minutes
Technical Specifications
Hardware
Dimensions
Height: 4.3 in (110 mm)
Width: 4.3 in (110 mm)
Depth: 0.7 in (18 mm)
Display
LED display with touch buttons
Up/down temperature controls
left/right mode selection
Sensors & Control
Temperature: ± 0.5 ℉ (±0.3 ℃)
Humidity: ± 2%
Light Sensor
Proximity Sensor
Wireless Connectivity
Wi-Fi 2.4 GHz (802.11 b/g/n)
Bluetooth Low Energy (BLE)
Power & Compatibility
Works with most 24 V central HVAC systems
Supports single- and multi-stage heating/cooling
Heat pumps with auxiliary (emergency) heat
Two-wire heat-only or cool-only systems supported with the Mysa C-Wire Power Adapter (sold separately)
Select fan-coil / PTAC systems
24 VAC, 60 Hz; C-wire required
Certifications
UL 60730-1 and UL 60730-2-9
CAN/CSA-E60730
ENERGY STAR
Software
Mobile App
Requires the Mysa app and a free Mysa app Account
Available on the Apple App Store and Google Play
Integrations
Matter support (certification in progress) will unlock compatibility with Apple Home, Google Home, Amazon Alexa, and more
Security
Secure boot with signed firmware.
Automatic, signed OTA updates
Data encrypted in transit with TLS 1.2+
SOC 2 Type 1
CSA Product Security Level 1 Verified
Support & Warranty
Languages
English
French
Support
Bilingual support agents
North America–based team
7 days a week
Phone, email, and chat
Warranty
5-year limited warranty
What to expect after you buy
Built to last—backed by a 5-year warranty
Mysa ships within 1-2 business days
Free app, zero subscriptions
Access North American based support through email, live chat, or phone
Ongoing app updates, zero extra fees
We never sell your data to third parties
Trusted by hundreds of thousands of homes powered by Mysa
I really like the Mysa HVAC smart thermostat and is fonctionality. Easy to use, everything is intuitive and the app is inline with that. I love being able to dim the led and control everything from distance.
I have only had these thermostats in service for 2 weeks but
I have only had these thermostats in service for 2 weeks but, they are working extremely well and I am very satisfied with the MYSA mobile phone App. The connection process was very easy. I am very please with these thermostats!!