- What is the best thermostat to use for my heating system?
- What is the best thermostat to use for my heating system?
- S30 & iComfort Wi-Fi® FAQ – Now Replaced by S40
- ComfortSense® 7500 FAQ – Now Replaced by M30
- Can I pair multiple Wireless Extenders at the same time?
- How do I add a Wireless Extender to my home?
- Can I paint the Wireless Extender?
- How far can a Wireless Extender be from the S40 Smart Thermostat?
- Where do I place my Wireless Extender?
- How many Wireless Extenders can I use?
- Can I use the Smart Room Sensor with a zoned HVAC system?
- Can I pair multiple Smart Room Sensors at the same time?
- What if someone is home and I leave the house with Smart Away turned on?
- Is periodic calibration of the Smart Room Sensor needed?
- Can I hide the S40 Smart Thermostat in a closet and use the Smart Room Sensor as my primary thermostat?
- What is the best location that will maximize the area of detection in a room for effective occupancy detection?
- What happens when my Smart Room Sensor has low signal strength?
- How far can a Smart Room Sensor be from the S40 Smart Thermostat?
- What kind of power does the Smart Room Sensor run on?
- Where do I place my Smart Room Sensors?
- What areas do I need to take into consideration so the Smart Room Sensor capabilities are not affected?
- How many Smart Room Sensors can I use?
- How do I add a Smart Room Sensor to my home?
- How do I start using the Smart Room Sensors?
- Can I have my iComfort WiFi, iComfort S30 and S40 Smart Thermostat in the same app?
- How do I add a thermostat to my Account?
- How do I create a Lennox Smart Thermostat account if I have moved into a home that has already registered the thermostat?
- What are the recommended Wi-Fi routers for use with the S40 Smart Thermostat?
- How do I setup Wi-Fi on the S40 Smart Thermostat?
- How do I put my home in Away Mode?
- What features or advantages does the S40 Smart Thermostat offer?
- What Lennox Equipment is compatible with the S40 Smart Thermostat?
- Can I install the Lennox S40 Smart Thermostat myself?
- Any quick navigation tips?
- How do I change the heating or cooling temperature?
- How do I change the heating or cooling mode?
- How do I control my Smart Thermostat?
- What is a geofence and does it work with multiple people in the house?
- How do I adjust the humidity setpoint?
- What are all the different humidification modes and what do they do?
- How do I stop getting Lennox S40 Smart Thermostat notification emails?
- What does Move Out under account do?
- How do I change the date & time in my S40 Smart Thermostat?
- What is a zone?
- What is Lennox Smart Zoning System zoning?
- How do I add a home?
- What is Allergen Defender?
- How do I unlock the Lennox S40 Smart Thermostat display?
- Why are setting changes not being applied?
- How can I troubleshoot or diagnose what is wrong with my system?
- What are alerts and notifications and what do they mean?
- I accidentally pressed "Remove Home". What do I do now?
- What is the Dealer Support Center under Advanced Settings?
- How can I update the software in the Lennox S40 Smart Thermostat?
- What does a one stage system mean?
- What is two-stage cooling?
- What is variable speed technology and how does it apply to air conditioners?
- How hard is my system working? What is demand?
- What is runtime?
- Why does cooling or heating demand change from month to month?
- What can I do to reduce cooling or heating demand?
- What causes the "Outdoor Temperature data not available" message?
- Can I use the Lennox Wireless Extender to increase the Bluetooth signal for other non-Lennox Bluetooth devices?
- I have a Zoning system, but when I go to edit the Summer schedule for Zone 1, the changes are listed in the Summer schedules for the other zones. Why can't I edit schedules independently in a zoning system?
- How do I manually set the Date/Time and related options like Time Zone and DST?
- How do I view the status of my Smart Air Quality Monitor and Smart Room Sensors?
- I am having problems entering schedule events. How do I fix this?
- I notice that the outdoor weather and forecast is not appearing in the lower left corner of the display
- Can I use emojis in the Wi-Fi network name?
- Why does my S40 display random symbols and characters in the device name?
- Where can I download the Lennox Home App?
- Which mobile devices work with my S40 Smart Thermostat and app?
- What does this alert or notification mean?
- What is runtime?
- How hard is my system working?
- How do I turn off the monthly performance report email?
- What can I do to reduce cooling or heating demand?
- What is in my monthly performance report email?
- Why does cooling or heating demand change from month to month?
- How do I enable Matter on my thermostat?
- How does the Smart Room Sensor work?
- What is Sensor Temperature Difference Limit?
- What information is the Smart Room Sensor collecting?
- How often does the Smart Room Sensor send data?
- What is the distance for the occupancy sensing capabilities of the Smart Room Sensor?
- Are there different methods the Smart Room Sensor does room temperature averaging?
- Will the Smart Room Sensors give me precise temperature inside each room they are placed?
- Is adding Smart Room Sensors the same as zoning?
- How does the Smart Room Sensor work if it is not tied to ductwork?
- How do I cycle power for troubleshooting?
- Can I create my own BLE Mesh network?
- Can I add or remove Smart Room Sensors on my own?
- How do I remove a Smart Room Sensor in my home?
- There are some colored lights on my Smart Room Sensor, what do they mean?
- Why does my S40 display random symbols and characters in the device name?
- How does the Wireless Extender work?
- What kind of power does the Wireless Extender run on?
- What is the range of the BLE (Bluetooth Low Energy) network)?
- What happens when my Wireless Extender is out of range?
- Can I add or remove Wireless Extenders on my own?
- How do I replace a Wireless Extender in my home?
- How do I remove a Wireless Extender in my home?
- How do I cycle power for troubleshooting?
- There are some colored lights on my Wireless Extender, what do they mean?
- How do i unregister my icomfort wi-fi thermostat from one email address to register it to a different email address?
- Where can a humidity sensor be located if not in the thermostat?
- Where is the humidity sensor for a system that has a s30 thermostat?
- Where is a humidity sensor if it is not located within the thermostat?
- Where can i find the mac address on the icomfort wifi thermostat?
- Where can i find the ip address on the icomfort wifi thermostat?
- How to register the icomfort wifi thermostat?
- How to generate a pin on the m30 thermostat?
- How to generate a pin on the m30 thermostat?
- Thermostats tab: what is alert code 200? the results were returned in 12.39 seconds.
- How can i make my thermostat display the inside temperature all the time?
- Thermostat tab: what does the red light on the smart hub indicate? the results were return in 17.58 seconds.
- Thermostat tab: do i have to register the s40 thermostat to use it? results returned in 24.12 seconds
- How to grant dealer access for the s30 thermostat? results returned in 27.62 seconds.
- Does the m30 thermostat show the weather forecast? results returned in 23.14 seconds
- How to restart an m30 thermostat? results returned in 21.46 seconds
- How much voltage does a thermostat need to work properly?
- How can i pair my s40 thermostat with apple homekit?
- What does error code 291 mean on a thermostat?
- How do i restart my icomfort wi-fi thermostat?
- Is the m30 thermostat supposed to make a clicking sound
- How do i connect a sensor to my s40 thermostat?
- How to get rid of the thermostat cannot communicate with the smarthub message.
- What thermostats are compatible with the alexa skill?
- How do i set up the alexa skill on my s30 thermostat?
- How do you change the time zone on an s30 thermostat?
- Who can perform a factory reset on the thermostat?
- Why is my emergency heat light on, but my thermostat is not set for emergency heat?
- How do you get rid of a locked screen on a comfort sense thermostat?
- Re-test: can i use a nest thermostat with my lennox equipment?
- How do i turn off the fan on an s30 thermostat?
- How to get the serial number for an s30 thermostat?
- How to adjust the humidity level on a icomfort wifi thermostat?
- The wifi connection on my s30 stat keeps timing out when trying to turn it on
- Re-tested by palani how to do a restart to an m30 thermostat
- Why is the m30 thermostat cooling the home lower than the desired set point?
- How can i unregister an icomfort wifi thermostat?
- Does the s40 have the alexa skill?
- What is the difference between e30 and the s30? results returned in 29.49 seconds.
- How to turn on accuweather on the s30? results returned in 37.44 seconds.
- Can the s30 be paired with non communicating equipment? results returned in 39.64 seconds.
- Does the s30 have smooth setback recovery?
- How to fix a smarthub connection message on an s30?
- How to pair apple homekit to my s30
- Why is the s30 showing an hvac system not found message
- What does the button on the side do to an s30?
- How do i reboot my smart hub? 02/21/2024
- Why should I zone my house?
- ComfortSense® 5500 & 3000 FAQ – Now Replaced by L40
- Can I change the name of my Smart Room Sensor?
- How do I replace a Smart Room Sensor in my home?
- Is periodic calibration of the Wireless Extender needed?
- Can I change the name of my Wireless Extender?
- Can I paint the Smart Room Sensor?
- Can I create my own BLE (Bluetooth Low Energy) Mesh network?
- Where can I download the Lennox Home App?
- Where is the menu button? How do I navigate?
- Where and how do I generate a pin number and why do I need one?
- What information and adjustment settings are displayed on my thermostat screen?
- How do I turn on and setup a Schedule?
- How do I reset my password?
- How do I set up or create an account?
- What is Smart Away™ and how does it work?
- How do I set or change my home location?
- What does the Remove Home button do?
- Where are the display settings?
- How do I change information in my profile or account?
- How do I change my login or email address?
- What are my fan options? Where do I change the fan mode?
- What is Dew Point?
- What is Climate IQ?
- How does the Smart Thermostat know when to dehumidify or humidify?
- What is Away Mode?
- Why should I allow Remote Sharing for my dealer?
- What is the difference between Remote Sharing, Advanced Diagnostics & Troubleshooting and Alerts & Notifications?
- How do I change my Advanced Diagnostics and Remote Sharing feature?
- How do I set a schedule or program?
- How do I edit a schedule?
- Why and how is Schedule IQ different than Winter, Summer, Spring/Fall, and Save Energy schedules?
- Are schedule changes applied to other systems?
- How do I configure a traditional schedule?
- What is Schedule IQ and how does it work?
- What does Schedule Hold mean?
- What happens if I cancel schedule hold?
- Where does the outdoor temperature displayed on my Smart Thermostat come from?
- Why does my Smart Thermostat say Defrosting?
- Where is the weather data coming from?
- What is Feels Like and how does it work?
- What is Perfect Temp and what are its advantages?
- If I am leaving my home for an extended period of time, how do I increase the setpoint range?
- What are low and high balance points?
- What is the difference between calendar and run-time in reminder settings?
- Will I get notified when it is time to replace the filter?
- What does the lock icon on my S40 Smart Thermostat mean?
- How do I prevent my kids from messing with the S40 Smart Thermostat?
- What do the different notification colors mean?
- How do I change from Fahrenheit (°F) to Celsius (°C)?
- How do I change zone settings?
- What is a system?
- What is the difference between a system and a zone?
- How do I change the system's name?
- How do I change my home's name?
- How do I add or change the zone name?
- What is Ambient Lockout?
- What does coasting mean?
- What is the difference between Emergency Heat and Auxiliary Heat?
- What is Auxiliary Heat and where do I turn it on?
- What is Emergency Heat, and where do I turn it on?
- What is Load Shedding?
- Can I be alerted if the house gets too cold or too hot?
- What is Safety Protection?
- How hard is my system working?
- How do I unsubscribe from receiving email alerts?
- Where did the menu button go?
- How do I turn on/off the monthly performance report email?
- Where do I find the Thermostat software version and model number?
- How do i add a thermostat to my account? results returned in 32.39 seconds.
- How to unregister the icomfort wi-fi thermostat?
- How many Wireless Extenders can I have in my home?
- Is the s40 smart room sensor wireless?
- Is there a specific website to log into for the s40?
- How can i restart an s40 if the thermostat is black?
- Thermostat tab: how do i change the email that my s40 is registered to? the results were returned in 24.55 seconds.
- Can I still manage my S40 Smart Thermostat remotely if I do not have a smart phone?
- Where can I purchase an S40 Smart Thermostat?
- Why does my Lennox S40 Smart Thermostat say, "Transitioning to Next Schedule"?
- How do I add a new Lennox S40 Smart Thermostat to my existing account?
- What are my S40 Smart Thermostat screen saver options?
- How do I change the language in my S40 Smart Thermostat?
- How do I restart or reset my Lennox S40 Smart Thermostat display?
- Why does my S40 display random symbols and characters in the device name?
- How do I access my S40 Performance Report?
- How to connect a room sensor to the s40 thermostat?
- Connecting bluetooth room sensor to s40 thermostat?
- Do i have to register the s40 thermostat to use it?
- Thermostat tab: does my s40 have to be connected to wifi for me to connect to alexa? results returned in 20.69 seconds.
- Rephrased question to can you restart the s40 thermostat from the s40 mobile app?
- How to set a zone schedule on an s40 thermostat?
- Can an air discharge sensor be paired with an s40 thermostat?
- How many sensors can i add to one s40 thermostat?
- What is the correct app for the s40 thermostat?
- Can the s40 thermostat program the fan to continuously run?
- How to change the fan relay speed on an s40 thermostat?
- How do i connect my s40 to google assistant?
- What does the s40 show up as on the google assistant app
- Why does s40 show an ambient temperature that is not the actual temperature in the home?
FREQUENTLY ASKED QUESTIONS
Perfect comfort is something we want you to experience long after you’ve purchased your Lennox® product. That’s why we offer a collection of resources that make it as easy as possible for you to get the answers and support you need.


