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Comfort Sync

Adjust your home’s temperature anytime, anywhere from your Android device with the Comfort Sync mobile app!


Control the temperature at home using the intuitive temperature dials from anywhere in the world: on the beach, on the slopes, or even from the couch. Already in bed but want to adjust the temperature? No problem! The Comfort Sync app is there to adjust your home’s comfort without requiring you to leave that comfy bed. 



Leave the house and forget to dial back the thermostat? Simply start the app and use the one-touch away mode to save energy the entire time you are gone. Cancel the away mode before you get back to return to a perfectly comfortable home.



You must own a Comfort Sync thermostat to use the Comfort Sync app. The Comfort Sync thermostat must also be connected to your home’s Wi-Fi router before the app can control the settings. For more information about the Comfort Sync thermostat or for help connecting to your wireless network, visit www.mycomfortsync.com



With the Comfort Sync app you will have the ability to:



•Adjust the temperature from anywhere
•Change whether your system should heat or cool your home
•Select the program you wish to run
•Put the system into an energy savings away mode when no one is home
•Select your fan to always run (ON) or come on occasionally (circulate)

Category : Lifestyle

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Reviews (26)

Z. V. Apr 25, 2022     

Keeps crashing. It worked at first, then it stopped working. Not even an Uninstall could fix the problem.

Ama. P. Aug 31, 2020     

Outdated app, it just crashes constantly when I open it. It doesn't even take me to my dashboard anymore. This all happened after the latest Android OS update. I had to uninstall and then reinstall the app to get it to work, but that only worked the one time. The app hasn't been updated since 2015, if that tells you anything... and Allied doesnt seem to care, judging from their lack of response to all reviews.

Rob. W. Aug 21, 2020     

The app works very poorly. It crashes most of the time. When it does work, it takes a very long time for the app to load up. Additionally, the temperature control mechnism in the app is a very small interaction wheel element that is hard to use quickly with accuracy - the Next dial is much easier to use which is what I was expecting if you look at pictures of the "other" Comfort Sync Thermostat app on the Google play store. If the product owner for this is reading, please prioritize fixing: 1) app crashes 2) slow loading 3) changing temperature interaction element to something more usable. Beyond that, it'd be nice to have it open the one home automatically rather than making me make an extra click to open my only home (duh!).

Pat. S. Oct 6, 2020     

Regretting my purchase. Had to give up my Ecobee 4 for this, as I purchased a "communicating" system. Interface is terribly outdated, and it crashes more times than it will actually open. When it does open, changes that you make take 45 seconds to a full minute to register back to the equipment.... if they actually do.

DT. H. Apr 4, 2022     

It does not work as advertised. Have to always go to website. Crashes often. Errors saying that device has no connection to internet when everything else is working. Really bad coding.

Tyl. J. Aug 21, 2019     

App no longer works and does not connect to anything. Keeps crashing. I was told this came with my Armstrong Air system, looking at the previous comments, seems like I was duped into buying a really expensive thermostat that has no real smart connectivity. Sad that Comfort Sync can still have their "Smart Thermostat" sell with this "perk" and no one is fixing the issue

Cha. O. Aug 6, 2019     

I got this $500 thermostat with a new furnace install. Six months later my furnace exhaust froze and the new furnace would not run resulting in frozen waterlines and $4500 in damages. No alert was sent to my phone. Customer service says it's not a critical alert. They said they were going to look into it and get back to me. Still waiting. Now the app keeps failing to open. Bought a $80 honeywell wifi thermostat for my other house and have had no issues with the app and is easier to use.

A. G. u. Feb 21, 2019     

Aweful app for a 500.00 thermostat. You can not edit schedule and it rarely connects the 1st time. Since this is really a Lennox product you would think it would have more features. I wish Honeywell made a thermostat that worked with a communicating heating system as their app works so much better.

Jef. A. Apr 26, 2022     

It constantly crashes.

Cor. G. Apr 4, 2022     

Installed on my phone because my dad was getting a "No Internet Connection" error on his starting about 2 weeks back. Same on my phone here. Given other complaints, I'd say this app is officially broken on both Android (me) and Apple (dad) devices.

Den. H. Sep 15, 2019     

Not a helpful app. When trying to change house temp it stops. Have to use the use Comfort Sync and log in everytime. Horrible app. Want to change apps.

Jim. C. Jun 7, 2020     

The app is outdated....and now with the latest android update it just crashes. You must login web based to use it Please update your app to provide the same functionality as the thermostat. Make it look similar. Thermostat or app should have the same look and feel

Bru. H. Aug 11, 2021     

One word to describe this app..terrible!!! At least once a month I have to remove the app and load it back in because it won't work. The company refuses to update for newer androids. Mine is a galaxy 9.

Cha. Aug 12, 2020     

Zero stars would be more accurate score. Crashes daily. Won't open. Only thing reliable about it is its unreliability.

Bob. H. Sep 1, 2020     

I've installed and uninstalled this app in attempt to get it to work, but it crashes on multiple devices & is useless unless the developer fixes it.

Jud. R. Jul 27, 2020     

It is very unreliable. You never know if it will come up when you try to open it. Not that many options on it compared to our last one. Not a fan.

Tho. M. Sep 5, 2021     

Frequent app shutdown with good cell and Wi-Fi connections. Very frustrating and disappointing!

Bry. U. Jun 5, 2021     

App crashes every time I try to use it. I previously emailed the app developer and never got a response. Dang it.

Kev. G. Oct 5, 2020     

After recent security updates this app no longer works at all. It's been 5 years since the app was updated. Spend some money and fix it.

dav. c. Apr 2, 2022     

App keeps showing that it's not connected to the internet all other apps on phone work fine.

Mar. M. Mar 31, 2022     

No longer works!!! Android technology has surpassed your app and it no longer works!

Eth. C. Jul 21, 2019     

App ued to work now it will open but when you select the which home it crashes. App needs fixed.

Dav. N. Feb 20, 2020     

Just installed with the new furnace. Easy to set up and it works perfectly with my Galaxy S9+.

K.C. C. Mar 29, 2022     

Needs updating. Says my phone is not connected to the internet every time I try to launch it.

Rob. A. Mar 28, 2022     

Outdated garbage. Update your app to work with modern phones!

Mic. S. Mar 28, 2022     

App for phone doesn't work says not connected to internet and is