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MRCOOL Smart Thermostat

MRCOOL Smart Thermostat for Central Systems

MRCOOL| SKU: MST04 In Stock

$151.27$200.7525% off

Payment plans

From $12.60/mo with shop Pay View sample plans

$4.20/mo with Paytomorrow Learn More

Amounts shown are maximums; actual savings depend on income, household size, utility, and program rules. Some programs require installation by a licensed or participating contractor and/or specific equipment efficiency ratings. Rebate data by Rewiring America. Not tax or legal advice — verify with the program before purchase. Questions? Call us at (888) 231-8920.

Optional accessories

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Pre-order - Estimated shipping: 2 - 4 weeks
Free Delivery Aug 14-21 (Est.)Included
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Protection plan

Use your system worry-free for years to come

  • Comprehensive coverage for mechanical and electrical breakdowns, including power surges
  • Repairs covered 100% for the extended term — labor included, not just parts
  • Coverage for normal wear and tear that affects how the product works
  • Replacement or reimbursement if we can’t repair it
  • $0 deductibles, ever
  • Cancel anytime on a pro-rata basis
  • US-based support and quick claims filing
2 Year Protection Plan · $29Add two years of optional service contract coverage. 5 Year Protection Plan · $59Add five years of optional service contract coverage.

Coverage begins after the manufacturer warranty applies, and runs alongside it for items the factory doesn’t cover. Select a plan above the Add to Cart button to include it with your order.

Backed by Chill Mini Splits · (888) 231-8920Detailed terms and conditions

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Product overview

MRCOOL Smart Thermostat

Enjoy unparalleled comfort and energy efficiency with the new MRCOOL Smart Thermostat, which boasts personalized heating and cooling options alongside a straightforward DIY installation process. This thermostat empowers you to customize settings effortlessly, enhancing your comfort while simultaneously reducing energy consumption. Choose from a wide variety of modes and options to curate your ideal environment, including vacation mode, ensuring home safety during your absence without unnecessarily inflating energy bills. 

Control lies at the heart of this Smart Thermostat, providing multiple avenues such as the intuitive touch-screen display, voice commands via popular virtual assistants like Google Assistant, Siri, or Amazon Alexa, or the innovative Smart HVAC app. The app offers a range of useful features, from an air filter cleaning monitor to a timeline displaying recent system adjustments, allowing you to track usage levels and fine-tune temperature and fan speed settings. With its unique location-based services, the thermostat automatically adjusts settings based on your proximity to home, ensuring you always return to the perfect temperature. Even in the event of an internet outage, you can maintain control using the thermostat directly, adjusting temperature and settings as needed. With the added reassurance of a 3-year warranty, the MRCOOL Smart Thermostat provides peace of mind alongside unparalleled technology, comfort, and efficiency for your Central Ducted Hyper Heat, VersaPro, and Universal Series.

  • Reading Temp Range: 0F - 99F
  • Setpoint Temp Range: 45F - 90F
  • Ensure ideal temperature with presets for Home, Away, and Sleep that perfectly align to match your specific needs and preferences.
  • Smart Schedules Aligned with Your Routine
  • Smart Energy Management
  • One App for All Your HVAC Systems
  • Global Control for Remote Accessibility
  • Location-Based Automation
  • Vacation Mode
  • DIY-Friendly Installation
  • Works with Alexa, Google, Siri, and MRCOOL® Link
  • Hassle-Free Registration
  • Track and Optimize Energy Usage
VOLTAGE (V) 24
SLEEP MODE Yes
BASE PARTS WARRANTY 3 years
NET DEPTH (IN) 3.9
NET HEIGHT (IN) 1
NET WIDTH (IN) 3.9
NET WEIGHT (LBS) 0.4
GROSS DEPTH (IN) 6.5
GROSS HEIGHT (IN) 2.12
GROSS WIDTH (IN) 5.37
GROSS WEIGHT (LBS) 0.95

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