Emerson Thermostats
Sensi Room Sensor
$38.44across 4 retailers
Model: RS01-SGColor: WhiteUPC: 786710566554
Where to Buy
Newest price seen: Feb 1, 2026
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
 Amazon Sold by Climatedoctors | $38.44 | Nov 24, 2023, may have changed | Buy Now |
 walmart 90-day returns (in store too) | $39.99 | Feb 1, 2026, may have changed | Buy Now |
 homedepot 90-day returns (in store too) | $39.99 | Feb 1, 2026, may have changed | Buy Now |
 Best Buy 15-day returns (in store too) · free return shipping · free shipping on $35+ | $39.99 | Nov 14, 2024, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Used & Refurbished
✨ See 1 used & refurbished price with ShopSavvy ProGet the app →Pros
- •Effectively eliminates hot and cold spots by sending real-time temperature readings to the Sensi Touch 2 Smart Thermostat, balancing heat throughout the house.
- •Easy and quick to set up with seamless integration to the compatible Sensi thermostat.
- •Battery-powered and wireless design allows flexible placement anywhere in the home or office.
- •User-friendly app enables monitoring, renaming, and managing multiple sensors for larger or multi-room spaces.
- •Improves comfort by maintaining consistent temperatures, which is especially appreciated in business environments.
- •Helps reduce energy costs through targeted temperature control based on specific room readings.
- •Wi-Fi Direct connection allows remote thermostat adjustments even without internet access.
- •Small and unobtrusive sensor size that doesn’t take up much space.
- •No intrusive ads or promotions in the app, leading to a clean user experience.
- •The sensor provides accurate temperature and humidity readings at its location.
Cons
- •Some users report the sensor failing to send data to the thermostat even when very close, with battery replacement and resets not resolving the issue.
- •Technical support for sensor troubles is reportedly unresponsive and not helpful.
- •Occasional "No Connection" and low battery warnings appear, possibly due to signal interference, though these issues often self-resolve.
- •Battery-powered means you will need to replace batteries periodically.
- •Initial setup may require some patience, particularly if signal interference occurs.
Bottom Line
The Sensi Room Sensor (2023) is a solid choice for those looking to enhance their Sensi Touch 2 Smart Thermostat system by improving temperature consistency and energy efficiency through targeted room monitoring. It shines in ease of installation, flexible placement, and a clean, user-friendly app experience. However, some users have experienced frustrating connectivity issues and lackluster customer support, so if reliability and responsive help are must-haves, keep that in mind before purchasing. Overall, if you want to tackle hot and cold spots with minimal setup fuss and are okay with replacing batteries over time, this sensor delivers good value. If you want a smooth setup experience and more robust customer support, consider exploring other smart thermostat sensor options, but for Sensi owners, this remains the most compatible and straightforward addition.
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