TLDR Review: Emerson Sensi ST55 Thermostat
Pros
- •Reliable temperature control that performs consistently well over time.
- •Easy to install and set up, making it useriendly even for less tech-savvy users.
- •Offers practical value for rental properties by preventing tenants from lowering the temperature too much.
- •Provides remote temperature monitoring and adjustment capabilities via the app.
- •Durable and reliable, with many users noting lonasting performance and satisfaction.
- •Includes Englispeaking tech support based in the United States for assistance.
- •Uses batteries with long lifespan if a common wire is not available.
- •Provides excellent value for the price point.
Cons
- •The app has poor performance, with inaccurate ambient temperature readings and displays imprecise rather than reaime data.
- •WiFi connections are frequently dropped, sometimes causing HVAC systems to stop working until connection is restored, which can take several hours after power outages.
- •Missing mounting plates have been reported, making installation impossible for some users, with no clear refund options.
- •Requires a common wire (ire) for continuous power; without it, battery dependence may be inconvenient.
- •Some users discovered WiFi and app issues only after the return window expired, limiting options for resolution.
Bottom Line
The Emerson Sensi ST55 offers solid and reliable thermostat performance with useful features for both homeowners and renters, especially if you want remote control and a simple user experience. However, its app and WiFi connectivity issues can be frustrating and even interrupt HVAC operation, so if you want a more seamless smart home integration with top-notch app reliability, it might be worth considering other options. For example, if you prefer a thermostat with better app stability and fewer connectivity dropouts, exploring alternatives with stronger WiFi performance could save headaches down the line. Still, for the price and basic functionality, the Sensi ST55 remains a dependable choice if you can tolerate some tech quirks.
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