Quick answers to questions about ordering, compatibility, and installation.
The MRCOOL® MST07-S Remote Room Sensor is designed to improve whole-home comfort by giving your HVAC system a better understanding of temperatures and occupancy in the rooms you use most. Available from MRCOOL DIY Direct, this smart thermostat accessory helps reduce hot and cold spots by monitoring temperature, humidity, and occupancy throughout your home.
Built specifically for the MRCOOL® MST07 Smart Thermostat, the MST07-S allows the thermostat to make smarter comfort adjustments based on real-world room conditions instead of relying on a single thermostat location.
Traditional thermostats only monitor one area of the home, which can often result in uneven temperatures between rooms. By adding remote room sensors, the MRCOOL MST07 thermostat can prioritize comfort in occupied spaces for more balanced heating and cooling performance.
This creates a smarter and more responsive HVAC system that improves comfort while helping reduce unnecessary system runtime.
The MST07-S continuously monitors:
Using this information, the MRCOOL MST07 Smart Thermostat can make more accurate comfort decisions throughout the home.
The MRCOOL MST07 Smart Thermostat supports up to 10 remote room sensors, allowing homeowners to create a complete multi-room comfort monitoring system.
This is ideal for:
Like the thermostat itself, the MST07-S is designed for quick and simple DIY installation. Setup is completed through the MRCOOL® Connect App, making it easy to add additional room monitoring to your existing MRCOOL smart thermostat system.
| Model | MST07-S |
|---|---|
| Series | MRCOOL Smart Thermostat Accessory |
| Type | Remote Room Sensor |
| Compatible With | MRCOOL MST07 Smart Thermostat |
| Mount Type | Wall Mount |
| Color | White |
| Power Source | Battery Powered |
| Monitors | Occupancy, Temperature, Humidity |
| Warranty | 1 Year |
When you order from MRCOOL DIY Direct, you are purchasing from a trusted authorized MRCOOL dealer specializing in MRCOOL smart HVAC products, accessories, replacement parts, and DIY comfort solutions.
Quick answers to questions about ordering, compatibility, and installation.
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
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Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
Manufacturer installation guides and documentation are included or available upon request for most products.
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
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Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
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