Review of Honeywell WiFi Thermostat – RTH8580WF

Thermostat Features/Specs

Display Large, clear touchscreen
Program Features 7 day programming with 4 program periods per day can be configured to meet almost any scheduling scenario for ultimate flexibility
Thermostat Dimensions 6 x 1.5 x 5 inches, 14.1 ounces
Colors White
Batteries 3032 Nonstandard Battery batteries required. (included)
WiFi Internet-controlled thermostat, WiFi control through smartphone, laptop, or tablet.













  • – Large easy to use screen
  • – WiFi Control from anywhere
  • – Great price for Wifi Thermostat
  • – Smart response technology
  • – Filter change indicator


  • – Build quality feels average
  • – Honeywell site loses connection sometimes

The Honeywell RTH8580WF WiFi Thermostat is a major contender in the WiFi thermostat market. Currently the most popular unit is the Nest Learning Thermostat, but it is expensive. What if you want a thermostat that will do most of what the Nest does, but about a hundred bucks cheaper? Then the Honeywell RTH8580WF might be a good choice for you.

First I’ll mention that when compared to the Nest the RTH8580WF looks boring, but that’s only in comparison to the Nest. When not in comparison it looks quite slick. The screen is large, bright, and has an easy to use touchscreen interface. Long gone are the days of “just buying a thermostat” now they offer so many features that it can be hard to sort through everything. The Honeywell RTH8580WF is packed full of useful features and the most important one is possibly the WiFi. I bet if you’re reading this then it’s because you’re in the market for a thermostat with WiFi features. The RTH8580WF’s WiFi works flawlessly. It is a breeze to connect to your wireless network and the simple instructions explain how to do this. Once connected to a network you can use a free iPhone or Android app to control your thermostat. The apps are really nice and how they operate makes sense. Recently Honeywell added the ability to also control your temperature setting scheduling (lacking in a previous build). With the ability to control the scheduling you will have complete control over your thermostat from anywhere.

The Honeywell RTH8580WF 7-Day programmable Thermostat also has a feature called Smart Response Technology. This is a feature similar to the Nest’s  in that it can learn better when to heat and cool your home. Like with the Nest, this is hit and miss. Overall in my personal experience it worked like it should. There were a couple times that it made a decision it really shouldn’t have, but for the most part the experience was pleasant. Being in a bedroom and having the ability to turn your furnace up without having to get out of bed is a great thing. I typically keep my house cooler than most and this thermostat can learn that and adjust based on my scheduling.

When it comes down to it the Honeywell RTH8580WF 7-Day programmable Thermostat is perfect choice if you’re in the market for a WiFi thermostat or even a “smart” thermostat. The Nest is much nicer and with more features, but it also costs more. Maybe you want WiFi and the smart aspect, but can do without all the extra aesthetics, if so, then the Honeywell RTH8580WF is a brilliant choice and gets two thumbs up.

Note: Before installing make sure you have a 24V “C” wire. It will make installation a breeze.

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