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Head to head · Smart Home

Smart Thermostat, Wi-Fi, DIY, Alexa vs RTH9585WF Wi-Fi Smart Color Thermostat

Ravvy scores Smart Thermostat, Wi-Fi, DIY, Alexa at 89.72 and RTH9585WF Wi-Fi Smart Color Thermostat at 89.7. Smart Thermostat, Wi-Fi, DIY, Alexa takes the overall pick, best for homeowners with older wiring who prefer physical buttons over touchscreens.

Ravvy pick

Sensi Smart Thermostat, Wi-Fi, DIY, Alexa, Energy Star Certified, ST55 DIY Thermostat

$95

Buy the Sensi ST55 if you want a reliable, easy-to-install smart thermostat that values privacy and simple operation over modern aesthetics.

Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Required, Not Compatible with Line Volt Heating Gray Gray 1

$125

Choose this model if you want a dependable, color customizable touchscreen experience and can provide the required C-Wire power connection.

How they score

FactorSmart Thermostat, Wi-Fi, DIY, AlexaRTH9585WF Wi-Fi Smart Color Thermostat
Privacy98–
Connectivity85.5–
User Interface82–
Energy Efficiency8990
Installation Ease9478
Interface Clarity–96
Smart Integration–88
Visual Aesthetics–82

Smart Thermostat, Wi-Fi, DIY, Alexa

What owners praise

  • No C-wire required for most standard heating and cooling setups
  • Physical buttons provide tactile feedback and ease of use
  • Strict data privacy policy ensures user info is not sold
  • Wide compatibility with Alexa, Google Home, and HomeKit
  • Large footprint covers old screw holes and paint lines

What to know first

  • Monochrome display feels dated compared to modern rivals
  • Lacks geofencing capabilities found in higher-end models
  • Requires a C-wire for Apple HomeKit connectivity

Skip it if tech enthusiasts seeking color displays or sophisticated room-sensing technology

RTH9585WF Wi-Fi Smart Color Thermostat

What owners praise

  • High resolution customizable color touchscreen
  • Comprehensive on screen data including humidity
  • Robust Alexa and Google Home integration
  • Energy Star certified for utility rebates
  • Reliable Smart Response learning technology

What to know first

  • Requires a C-Wire for installation
  • Not compatible with 120-240V baseboard heat
  • Bulkier profile compared to modern slim competitors

Skip it if users without a c-wire or those seeking minimalist designs without screens

Specs side by side

SpecSmart Thermostat, Wi-Fi, DIY, AlexaRTH9585WF Wi-Fi Smart Color Thermostat
UPC786710554827085267911313
ASINB01NB1OB0IB075BF6V58
GTIN786710554827085267911313
BrandSensiHoneywell Home
ColorWhiteGray
ShapeRectangularRectangular
Voltage24 volts_of_alternating_current120 volts
Brand NameSensiHoneywell Home
Model NameST55RTH9585WF1004
Unit Count1 Count1 Count
Screen Size5 inches–
Control TypeButton ControlTouchpad Control

Other options in this category

Amazon Smart Plug, Works with Alexa, Simple Setup, Endless Possibilities 1-pack Smart Plug
94.0

Best for dedicated alexa users seeking the most reliable and easy-to-configure smart outlet.

  • Alexa-exclusive optimization
  • Space-saving horizontal profile
  • 15 Amp maximum load capacity
$25
Amazon Echo Dot (newest model) - Vibrant sounding speaker, Designed for Alexa+, Great for bedrooms, dining rooms and offices, Deep Sea Blue Deep Sea Blue Device only
93.9

Best for smart home beginners and eero mesh wi-fi users.

  • 1.6 inch full range driver
  • eero Built-in Wi-Fi extension
  • Integrated motion and thermal sensors
$50