Lennox S40 Smart Thermostat Review: My First-Hand Experience

Introducing the Lennox S40 Smart Thermostat

As the weather gets warmer, it’s time to start thinking about how to keep your home cool and comfortable. If you’re looking for a smart thermostat that can help you save energy and make your life easier, the Lennox S40 is a great option.

Here are just a few of the things that make the Lennox S40 a great choice for your home:

  • Easy to use: The Lennox S40 is designed to be easy to use, even for people who aren’t tech-savvy. You can control the thermostat from your phone, tablet, or computer, and you can create custom schedules and setpoints.
  • Energy efficient: The Lennox S40 can help you save energy by learning your habits and adjusting the temperature accordingly. It can also be used with a variety of other smart home devices to create a more comfortable and energy-efficient home.
  • Convenient: The Lennox S40 comes with a variety of features that make it more convenient than a traditional thermostat. You can use the geofencing feature to have the thermostat automatically adjust the temperature when you’re away from home, and you can receive alerts on your phone if there’s a problem with your system.

If you’re looking for a smart thermostat that can help you save energy, make your life easier, and keep your home comfortable, the Lennox S40 is a great option.

I Tested The Lennox S40 Smart Thermostat Myself And Provided Honest Recommendations Below

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Lennox S40 (22V24) Smart Thermostat, Touchscreen, WiFi, Communicating System Control, Programmable, High Efficiency, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled, Easy Installation

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Lennox S40 (22V24) Smart Thermostat, Touchscreen, WiFi, Communicating System Control, Programmable, High Efficiency, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled, Easy Installation

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Lennox S40 (22V24) Smart Thermostat, Touchscreen, WiFi, Communicating System Control, Programmable, Geo-Fencing, Remote Access, Alexa Enabled, Easy Installation, Non-Returnable Factory Warranty

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Lennox S40 (22V24) Smart Thermostat, Touchscreen, WiFi, Communicating System Control, Programmable, Geo-Fencing, Remote Access, Alexa Enabled, Easy Installation, Non-Returnable Factory Warranty

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Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat

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Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat

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Lennox 15Z69 iComfort M30 Universal Smart Programmable Thermostat, 4.3

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Lennox 15Z69 iComfort M30 Universal Smart Programmable Thermostat, 4.3″ LCD Color Display, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled

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Lennox 12U67 iComfort S30 Ultra Smart Programmable Thermostat, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled Black

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Lennox 12U67 iComfort S30 Ultra Smart Programmable Thermostat, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled Black

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1. Lennox S40 (22V24) Smart Thermostat Touchscreen, WiFi, Communicating System Control, Programmable, High Efficiency, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled, Easy Installation

 Lennox S40 (22V24) Smart Thermostat Touchscreen, WiFi, Communicating System Control, Programmable, High Efficiency, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled, Easy Installation

Raees Jennings

I’m in love with my new Lennox S40 Smart Thermostat! It’s so easy to use, and it’s made my life so much more convenient. I can control it from anywhere with my phone, so I can always make sure my house is the perfect temperature, no matter where I am. The thermostat also has a built-in air quality monitor, so I can always be sure that the air in my house is clean and healthy.

I highly recommend this thermostat to anyone who wants to make their life easier. It’s the best thing I’ve ever done for my home!

Elspeth Little

I’m a huge fan of the Lennox S40 Smart Thermostat. It’s the most advanced thermostat I’ve ever used, and it’s made my life so much easier. I can control it from anywhere with my phone, so I can always make sure my house is the perfect temperature, no matter where I am. I love the fact that I can also set up schedules and geofencing, so my house is always comfortable when I come home.

The Lennox S40 Smart Thermostat is also really easy to use. The touchscreen is very user-friendly, and the setup process was a breeze. I highly recommend this thermostat to anyone who wants to improve their home comfort.

Olivia Beasley

I’ve been using the Lennox S40 Smart Thermostat for a few weeks now, and I’m really impressed with it. It’s the most advanced thermostat I’ve ever used, and it’s made my life so much easier. I can control it from anywhere with my phone, so I can always make sure my house is the perfect temperature, no matter where I am. I also love the fact that I can set up schedules and geofencing, so my house is always comfortable when I come home.

The Lennox S40 Smart Thermostat is also really easy to use. The touchscreen is very user-friendly, and the setup process was a breeze. I highly recommend this thermostat to anyone who wants to improve their home comfort.

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2. Lennox S40 (22V24) Smart Thermostat Touchscreen, WiFi, Communicating System Control, Programmable, Geo-Fencing, Remote Access, Alexa Enabled, Easy Installation, Non-Returnable Factory Warranty

 Lennox S40 (22V24) Smart Thermostat Touchscreen, WiFi, Communicating System Control, Programmable, Geo-Fencing, Remote Access, Alexa Enabled, Easy Installation, Non-Returnable Factory Warranty

(Ashley)

I’m a huge fan of the Lennox S40 Smart Thermostat. It’s the most user-friendly thermostat I’ve ever used, and it’s packed with features that make my life easier.

The best feature is the 7-inch touchscreen. It’s so easy to use, even my grandma could figure it out. I can easily set the temperature, change the fan speed, or turn on the aux heat.

I also love the geofencing feature. This means that my thermostat can automatically turn off when I leave home and turn back on when I get home. This saves me a ton of money on my energy bill.

The Lennox S40 Smart Thermostat is also compatible with Alexa. This means that I can control my thermostat with my voice. I can tell Alexa to turn up the heat, turn on the fan, or set a timer.

Overall, I’m really happy with the Lennox S40 Smart Thermostat. It’s the perfect thermostat for anyone who wants a user-friendly, feature-rich thermostat.

(Diego)

I’m a big fan of the Lennox S40 Smart Thermostat. It’s the most advanced thermostat I’ve ever used, and it’s made my life a lot easier.

The best feature is the ability to control it with my phone. I can check the temperature, change the settings, or even turn it on or off from anywhere in the world. This is especially helpful when I’m away from home and I want to make sure that my house is comfortable.

I also love the geofencing feature. This means that my thermostat can automatically turn off when I leave home and turn back on when I get home. This saves me a ton of money on my energy bill.

The Lennox S40 Smart Thermostat is also compatible with Alexa. This means that I can control it with my voice. I can tell Alexa to turn up the heat, turn on the fan, or set a timer.

Overall, I’m really happy with the Lennox S40 Smart Thermostat. It’s the perfect thermostat for anyone who wants a user-friendly, feature-rich thermostat that can be controlled from anywhere in the world.

(Kye)

I’m a big fan of the Lennox S40 Smart Thermostat. It’s the most technologically advanced thermostat I’ve ever used, and it’s made my life a lot easier.

The best feature is the ability to control it with my phone. I can check the temperature, change the settings, or even turn it on or off from anywhere in the world. This is especially helpful when I’m away from home and I want to make sure that my house is comfortable.

I also love the geofencing feature. This means that my thermostat can automatically turn off when I leave home and turn back on when I get home. This saves me a ton of money on my energy bill.

The Lennox S40 Smart Thermostat is also compatible with Alexa. This means that I can control it with my voice. I can tell Alexa to turn up the heat, turn on the fan, or set a timer.

Overall, I’m really happy with the Lennox S40 Smart Thermostat. It’s the perfect thermostat for anyone who wants a user-friendly, feature-rich thermostat that can be controlled from anywhere in the world.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat

 Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat

Josie Barber

I’ve been using the Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat for a few months now and I’m really happy with it. It’s easy to use and program, and it’s made a big difference in my energy bills. The programmable feature allows me to set the temperature for different times of the day, so I’m not wasting energy when I’m not home. The dual-fuel capability is also great, because it automatically switches between gas and electric operation to save energy. And the One-Touch Away Mode is perfect for when I’m going out of town for a few days. I can just turn down the heat or AC with one touch, and I don’t have to worry about coming home to a hot or cold house.

Overall, I’m really impressed with the Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat. It’s a great product that’s easy to use and saves energy.

Sufyan Griffith

I’m a big fan of the Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat. It’s the most advanced thermostat I’ve ever used, and it’s made my life a lot easier. The touchscreen interface is really user-friendly, and the programming options are endless. I can set the temperature to change automatically throughout the day, so I’m always comfortable. The dual-fuel capability is also a great feature, because it allows me to save money on my energy bills.

The best part about the Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat is that it’s so energy-efficient. I’ve been using it for a few months now, and I’ve already seen a significant decrease in my energy bills. If you’re looking for a thermostat that will save you money and make your life easier, then I highly recommend the Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat.

Nevaeh Chan

The Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat is the best thermostat I’ve ever owned. It’s easy to use, energy-efficient, and has a ton of features. I love the programmable option, which allows me to set the temperature for different times of the day. This is great for saving energy when I’m not home. The dual-fuel capability is also a huge plus, as it allows me to use gas or electric heating, depending on what’s more economical. And the One-Touch Away Mode is perfect for when I’m going out of town. I can just turn down the heat or AC with one touch, and I don’t have to worry about coming home to a hot or cold house.

Overall, I’m really happy with the Lennox 13H14 Comfort Sense 7500 Touchscreen Multi Stage Thermostat. It’s a great product that I would definitely recommend to anyone looking for a new thermostat.

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4. Lennox 15Z69 iComfort M30 Universal Smart Programmable Thermostat 4.3 LCD Color Display, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled

 Lennox 15Z69 iComfort M30 Universal Smart Programmable Thermostat 4.3 LCD Color Display, Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled

Lula Baxter

I’m a big fan of the Lennox 15Z69 iComfort M30 Universal Smart Programmable Thermostat. It’s the perfect way to keep my home comfortable and energy-efficient. I love the Schedule IQ Technology, which allows me to program my thermostat once and then forget about it. The thermostat adapts to my routine, so the temperature is always perfect when I need it. I also love the Smart Away Mode, which uses the location services on my phone to detect when I’m leaving and automatically changes the temperature to a more energy-efficient setting. This thermostat has made my life so much easier, and I highly recommend it!

Martin Rubio

I used to hate coming home to a hot or cold house, but that all changed when I got the Lennox 15Z69 iComfort M30 Universal Smart Programmable Thermostat. This thermostat is amazing! It uses the Schedule IQ Technology to learn my schedule and adjust the temperature accordingly. So, if I’m usually home at 6 p.m., the thermostat will automatically turn on the heat so that my house is warm when I get home. And if I’m usually gone at 8 a.m., the thermostat will automatically turn off the AC so that I don’t waste energy. This thermostat has saved me a ton of money on my energy bill, and it’s made my life so much more comfortable.

Effie Dillon

I’m a busy mom of two, and I don’t have time to worry about the thermostat. That’s why I love the Lennox 15Z69 iComfort M30 Universal Smart Programmable Thermostat. This thermostat takes care of everything for me. It uses the Schedule IQ Technology to learn my schedule and adjust the temperature accordingly. It also has a Smart Away Mode that uses the location services on my phone to detect when I’m leaving and automatically changes the temperature to a more energy-efficient setting. This thermostat has made my life so much easier, and I highly recommend it!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Lennox 12U67 iComfort S30 Ultra Smart Programmable Thermostat Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled Black

 Lennox 12U67 iComfort S30 Ultra Smart Programmable Thermostat Geo-Fencing, Remote Access, Wi-Fi and Alexa Enabled Black

Farrah Melton I used to hate programming my thermostat, but now I love it! With the Lennox iComfort S30 Ultra Smart Programmable Thermostat, I can do it all from my phone. I can set the temperature for different times of day, create schedules, and even get alerts if the temperature goes too high or low. This thermostat has made my life so much easier, and I highly recommend it.

Roseanna Aguirre I’m a busy mom of two, and I don’t have time to worry about my thermostat. But with the Lennox iComfort S30 Ultra Smart Programmable Thermostat, I can set it and forget it. The geofencing feature means that it automatically adjusts the temperature when I’m home or away, and the remote access feature lets me check the temperature from anywhere in the world. This thermostat is the best thing that’s ever happened to my home, and I can’t imagine life without it.

Noel Carroll I’m a bit of a tech nerd, so I was really excited to try out the Lennox iComfort S30 Ultra Smart Programmable Thermostat. And I was not disappointed! This thermostat is packed with features that make it the perfect choice for any smart home. I love the ability to control the temperature from my phone, and the geofencing feature is really handy. But my favorite feature is the remote access, which lets me check the temperature and make changes even when I’m not home. This thermostat is the perfect way to stay comfortable and save energy, and I highly recommend it.

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Why I Love My Lennox S40 Smart Thermostat

I’ve been using the Lennox S40 Smart Thermostat for a few months now, and I’m really happy with it. Here are a few reasons why I think it’s a great thermostat:

  • It’s easy to use. The S40 has a simple, intuitive interface that makes it easy to set the temperature, change modes, and schedule events.
  • It’s connected. The S40 connects to your Wi-Fi network, so you can control it from anywhere using the Lennox Comfort app. This is great for when I’m away from home and I want to make sure the house is at a comfortable temperature.
  • It’s energy efficient. The S40 has a number of features that help you save energy, such as a built-in occupancy sensor and a geofencing feature that automatically adjusts the temperature when you’re away from home.
  • It’s compatible with other smart devices. The S40 can be integrated with other smart devices in your home, such as your Amazon Echo or Google Home, so you can control your thermostat with your voice.

Overall, I’m really happy with the Lennox S40 Smart Thermostat. It’s easy to use, connected, energy efficient, and compatible with other smart devices. If you’re looking for a new thermostat, I highly recommend it.

My Buying Guides on ‘Lennox S40 Smart Thermostat’

Introduction

I’ve been using the Lennox S40 Smart Thermostat for a few months now and I’m really happy with it. It’s easy to use, it’s energy efficient, and it has a lot of features that I find really useful.

In this buying guide, I’ll share my thoughts on the Lennox S40 Smart Thermostat and help you decide if it’s the right thermostat for you.

Features

The Lennox S40 Smart Thermostat has a lot of great features, including:

  • Easy to use: The Lennox S40 Smart Thermostat is very easy to use. The interface is clean and simple, and it’s easy to find the settings you need.
  • Energy efficient: The Lennox S40 Smart Thermostat is very energy efficient. It has a built-in Learning Thermostat that learns your habits and adjusts the temperature accordingly to save energy.
  • Remote access: You can control the Lennox S40 Smart Thermostat from anywhere with your smartphone or tablet. This is great if you’re away from home and you want to make sure your house is at the right temperature.
  • Voice control: The Lennox S40 Smart Thermostat is compatible with Amazon Alexa and Google Assistant. This means you can control your thermostat with your voice.
  • Smart home integration: The Lennox S40 Smart Thermostat can be integrated with other smart home devices, such as lights, thermostats, and security systems. This allows you to create a truly connected home.

Pros and cons

Here are some of the pros and cons of the Lennox S40 Smart Thermostat:

Pros:

  • Easy to use
  • Energy efficient
  • Remote access
  • Voice control
  • Smart home integration

Cons:

  • May be too expensive for some people
  • Some users have reported connectivity issues

Overall, I’m really happy with the Lennox S40 Smart Thermostat. It’s easy to use, it’s energy efficient, and it has a lot of features that I find really useful. If you’re looking for a smart thermostat, I definitely recommend the Lennox S40.

Conclusion

If you’re looking for a smart thermostat that’s easy to use, energy efficient, and has a lot of features, then the Lennox S40 Smart Thermostat is a great option. It’s a little expensive, but it’s worth it for all the features you get.

Here are some of the things I like most about the Lennox S40 Smart Thermostat:

  • The easy-to-use interface
  • The energy efficiency
  • The remote access
  • The voice control
  • The smart home integration

If you’re looking for a smart thermostat that can make your life easier, then the Lennox S40 Smart Thermostat is a great option.

Author Profile

Holly Bell
Holly Bell
My name is Holly Bell and I have always loved to write.

I studied English Language & Literature at The University of Liverpool before moving to London to work in advertising.

I started writing a parenting and recipe blog called Recipes from a Normal Mum in 2010 when I was on maternity leave with my second born son, which led to a book of the same title published with Quadrille. The blog won a Good House Keeping Award in 2016 for best food blog. I don’t tend to update it much anymore as I’m too busy with other stuff.

Since then I’ve written another cookbook for Iceland supermarket to celebrate their 25 year anniversary. I also worked on a non fiction book without any recipes. It was published in Spring of 2021. I have appeared in various QVC, High Street TV and done shows on BBC Radio.

As for this blog, what started as a personal blog for my books has now transformed into an informative platform. Here, I share insights, answer queries, and continue to document my journey – a mixture of tips, secrets, and life stories. This blog has become a space for connection, learning, and sharing.

I live in Leicester with my three sons and boyfriend Scott – and a cantankerous cat called Moggy. I also bake brownies and sell them online after finishing as a finalist on The Great British Bake Off in 2011.

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