Carrier® Côr™ Thermostat 4+

This app is next to useless. It’s okay for temporarily changing the temperature, but anything else will either be time-consuming and tedious, or just outright won’t work. For an example, I painstakingly set a schedule (wake/away/sleep) for every day in the app. However, the furnace starts heating the house about an hour before the times shown in the app. So I thought I’d delete the settings and start over. Can’t do that. I tried using the copy function to overwrite all the days. The copy function didn’t work. I changed each day individually. The furnace still starts an hour earlier. This got very annoying since the temperature change tends to wake me up in the morning.

I tried to use the guided schedule setting in the app. Choosing to modify the whole week with the same schedule caused it to get stuck after away settings. Clicking “next” did nothing. So I tried to modify just the weekend. That worked. Then when I tried to modify the weekdays, I couldn’t deselect the weekends (touching the days or the weekend button didn’t toggle the selected days). So again I forced to modify the whole week, which again got stuck at the first screen. You get my frustration.

This app is not intuitive, gets few updates, the menu system is not well thought out, and often just doesn’t do what it’s supposed to do. The fact that Carrier hasn’t fixed these problems in years makes me wonder about the quality of their heating and cooling systems.

This Cor app is limited to landscape view only. You can’t use one hand to manipulate it because of that. Being able to use the app in vertical mode would be an improvement.

Update: we had a power outage today. Now the app on my phone won’t work, period. I’ve spent almost 6 hours trying to figure out why.

Here’s my bottom line: Carrier doesn’t seem to care about connectivity. At least not with this app. And when you go to their website, you see another stark indicator of this. Worse yet, their “help” is a robot. Totally useless. Even worse yet, their suggestions for reuniting their app with their gear seems to require a PHD in network systems.

The Cor thermostat isn’t as smart as Carrier suggests, just like their website interface to manage your energy usage is seemingly non-existent.

Companies that install this gear are doing a tremendous disfavor to their customers. We spent $14,000 for a brand new system, and now we’re controlling it with something only slightly better than smoke signals.

It makes me wonder how good the equipment I bought is, you know? If my new 3 ton heat pump can heat my house, why can’t I turn the heat up at midnight from my bed with my phone when it’s 25 degrees outside?

Do not accept this thermostat if your installer brings it into your house. Check your bid to make sure it isn’t specified. Demand technology for the present at the very least, because this gear in now ancient (and inexpensive) history.

Ok so I got a new carrier system and got sold on the Cor upgrade; no problem, I wanted the web access to my system and the convenience of the app. I read the previous reviews and thought I made a bad choice...and then I got it installed, played with for a minute and realized that either carrier made some upgrades, or that everyone else were whining like spoiled brats; and they were.
1. It doesn’t work in landscape mode on the phone... SO WHAT!, I mean it makes sense that it might, but it doesn’t, big deal - if the heartache and pain you have to go through to turn your phone 90 is sooo overwhelming, you need to find better things to do with your life.

2. You can’t swipe up to close the app.... actually you can - from the landscape you’ll see the little white bar, swipe up and ‘voila’ app closed.

3. I had to figure out that 3 taps on the screen will get you back to the main screen - got lucky with that one because I was a little frustrated

All in all, the programming for this is not all that “intuitive”, and it could be more user friendly for ease of use in today’s world of apps, but it does the job. And let’s remember this is for your thermostat - it’s not a video game, this is intended to be a set it and forget it..minor changes every once in a while...

So there, that’s my review - the app works just freakin fine. It’s basic, and I’m sure there are ones out there with a bunch of other bells and whistles - but really, what all do you need.