Leave a Review (S40) Smart T
Sucks balls
Can’t connect. For what? To track you.
Get a manual t statComply don’t
App review - not thermostat
This is a review of the app. While the thermostat leaves a lot to be desired, it is no where near as intuitive as the ecobee app, it functions and runs the system.
This app, is very outdated. It has a poor design and little customization. When attempting to set a temp there are frequently times when the lag between input and communication to the t-stat “reset” the temp you are trying to adjust to.
Scheduling is not customizable. You are unable to add a time period or a time range.
It seems there is only one user account per t-stat. Individual family members seem to need to use one common account. Because of this, it appears that geofencing is not useful and will not work if multiple people in a home use one account. Maybe I am wrong, but there is no supporting documentation pointing otherwise.
Frankly, you can tell there was little investment by Lennox into a worthwhile t-stat app or t-stat software. They should contract out to a professional app developer and start the app over from the ground up. Offer customization similar to ecobee or neat. Offer an updated user interface. And integrate proper user accounts. Finally, adding Home Kit functionality is vital. How many users use the app? Not one has HomeKit functionality.
Disappointed in the software aspect of a very expensive HVAC system.
*this opinion is solely pointed at the software of this app and the t-stat. No opinion is given on the functionality of the HVAC system itself.Show lessjackylegzz
It’s decent
Doesn’t connect alot. UI is horrible. I wish I had my Nest App back . Nest interface was 1000X betterMitch4567899
Terrible thermostat
This thermostat and app are terrible. In fact anyone considering the purchase of a Lennox AC would be well advised to thoroughly investigate the thermostat first. It might be enough of a deterrent to redirect your choice of AC units. We have found our thermostats to not be accurate on temperature measurement and hopefully can be recalibrated. The thermostat does not always accept and keep the temperature that is set for control. Also, we have seen the app display one room temperature only to have it immediately jump to a different temperature when we go to make a control setting change on the app. We just had 2 new AC units and corresponding thermostats installed 2 days ago. I do not believe these opinions are based on an unfamiliarity with the thermostats as we previously had the previous but similar S30 version on our older Lennox units.
Update - after about a month my feelings are almost the same. Learning to live with this garbage. Why do companies think they have to fix things that aren’t broken? This ‘new and improved’ thermostat was about like the message you get when you open an app - “you have an update”.Show lessCftredt
Laggy and inconsistent connection
The app connection to thermostat is often slow and doesn’t always show the current temperature setting. It takes a while to refresh and correct, sometimes requiring the app to be closed and reopened. Making changes is hit or miss as to whether the setting will hold. Thermostats often report as not connected and then spontaneously come back.
All the while the data connectivity on the thermostat itself runs fine with accurate weather and everything else.Show lesschma4501
Make sure your iphone /alexa ap is up to date
When i followed steps to link my Alexa to the Lennox account Alexa couldn't find the device.i was about to refit the nest when I finally realized Apple had a new update for ios which once completed required an update to the alexa app and it was finally able to find the thermostat in alexa giving voice control. I only gave it 3 stars since my nest used to track cycle time history which this no longer does. Also, the screen is pretty dim even on its highest setting for a well lit home. It also doesn't estimate time to target temp like nest did. It does provide the authorized installer service update notices which nest didn't do which I huess is helpful.Show lessGator joe5150
Basic programmable thermostat
It’s adequate, but it’s basic. Our new hvac is a significant upgrade from our previous one, and I am surprised that the required S40 thermostat is such a downgrade from our previous one. Lennox has all sorts of data about how the system is functioning, how much, when, etc. The app would be an excellent place to provide that info (like Ecobee), but instead they send an email with a *very* basic data summary a couple of weeks after the end of the month. Also, the thermostat and app are both surprisingly sluggish to respond to touch, which is the only way to use them.Show lessMillama
Terrible thermostat
This thermostat and app are terrible. In fact anyone considering the purchase of a Lennox AC would be well advised to thoroughly investigate the thermostat first. It might be enough of a deterrent to redirect your choice of AC units.
We have found our thermostats to not be accurate on temperature measurement and hopefully can be recalibrated. The thermostat does not always accept and keep the temperature that is set for control. Also, we have seen the app display one room temperature only to have it immediately jump to a different temperature when we go to make a control setting change on the app.
We just had 2 new AC units and corresponding thermostats installed 2 days ago. I do not believe these opinions are based on an unfamiliarity with the thermostats as we previously had the previous but similar S30 version on our older Lennox units.Show lessToo many bugs
Software bugs galore. Hardware bugs, chips overheating, poor quality Chinese components, it makes no sense for the S40 to not detect temperature changes as even a 40 year old analog technology can do. Heats itself just enough to cause a temperature blindspot. the remote sensor works decently. If the hardware was better and the software integration a bit better QCed, it could be an amazing system. But right now so many ha;F bakes features that a Nestle or agog;e thermostat is better. Those are program and forget. This S40 is more like a tech with a troubled character, it wants you always back to check on it. Second unit as the first one turned black after 4 weeks. None of their proximity sensors ever worked.Show less~Musashi~
Terrible Thermostat
Unfortunately we are saddled with this thermostat from Lennox. We would much rather have a Nest. However, since our HVAC system is a variable speed, we cannot use a Nest. We wish Lennox would spend some mo why on their proprietary system. It just doesn’t work very well at all. Not intuitive and they offer no support in real time. When you live in the desert where temperatures reach 124, you need quick results, not waiting for days. Lennox, you must do better. Will not buy your product next time.Show lessOldnsalty
