MRCOOL Smart Thermostat in Black (Compatible with Ducted Systems Only), MST06
MRCOOL Smart Thermostat
Intelligent climate control with smart automation (Black)
Model: MST06
Short description: MRCOOL Smart Thermostat (Black) — 24V — No Wi-Fi on setup required
Smart Comfort, Simplified
The MRCOOL® Smart Thermostat is designed to fit seamlessly into any home, delivering the perfect balance of comfort, convenience, and energy efficiency. Upgrade your heating and cooling system into a smarter, more responsive solution that gives you complete control right from your phone.
Getting started is simple with the MRCOOL® SmartHVAC app. Guided registration and an intuitive interface makes setup fast and frustration-free, while DIY-friendly installation gets your system running in no time—no professional install required.
Fine-tune your home environment with personalized temperature thresholds and smart templates designed for comfort and efficiency. Create schedules using presets like Home, Away, and Sleep, or build a fully customized routine. Monitor real-time heating and cooling usage to better understand energy consumption and maximize savings.
Enjoy voice-controlled convenience with compatibility for Amazon Alexa, Google Assistant, and Siri. Location-based geofencing automatically adjusts temperature as you come and go. Backed by a 3-year warranty, the MRCOOL® Smart Thermostat delivers reliable performance, advanced technology, and long-term confidence.
CORE FEATURES
- Works with: Most 24V A/C residential systems
- App setup: Guided registration in the MRCOOL® SmartHVAC app (no Wi-Fi required during setup)
- Voice control: Use with Alexa, Google, Siri, or MRCOOL Link
- Smart schedules: Presets like Home, Away, and Sleep, plus fully customized routines
- Usage monitoring: Track heating/cooling runtime to help optimize energy use
TECHNICAL SPECIFICATIONS
PRODUCT RESOURCES
SMART BENEFITS
- Comfort + savings: Schedules and automation help reduce unnecessary runtime
- DIY-friendly: Straightforward installation with app-guided setup
- Smarter routines: Home/Away/Sleep presets or fully custom schedules
- Remote control: Adjust and monitor your system from your phone
- Hands-free control: Works with Alexa, Google Assistant, and Siri
- Geofencing: Automatically adjusts as you leave and return
WARRANTY INFORMATION
This product is backed by a 3-year limited warranty.
Upgrade to intelligent climate control with the MRCOOL Smart Thermostat (Black).
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We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map

IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
SMS Delivery Notifications
If you opted into SMS notifications, we may send you order updates or delivery reminders by text message. Message frequency may vary. Message and data rates may apply. Text STOP to opt out. Text HELP for assistance.
For more details, see our Privacy Policy.
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