Lennox 15Z69 iComfort M30 Universal Smart Programmable Thermostat

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Last updated: 
January 5, 2022

Lennox thermostat

Lennox is a highly trusted brand in the HVAC industry, so it should come as no surprise that the brand also manufactures some of the highest quality thermostats around as well. The Lennox brand of thermostats are an obvious choice to use with your current HVAC system. But did you know that they are also compatible for use with other brands?

By reading up on Lennox thermostat reviews, you will gain all the useful knowledge and information you need to purchase the perfect modernized thermostat for your home.

What You Should Know About Lennox Thermostats

Lennox thermostats include some of the very best digital models currently available in the industry. They are loaded with all the features you need to keep your home comfortable throughout the year.

With these devices you have the option to choose the ideal temperature for your home even while you are away. The user interface for these thermostats is also very impressive with innovative touchscreens, large easy to read displays and Wi-Fi capabilities.

However, if you are not interested in owning a smart thermostat with all these bells and whistles, there are also some great basic thermostats offered by Lennox that are simpler and less expensive.

What Is A Smart Thermostat?

Smart thermostats allow the user to create their own customized temperature settings which are based on various factors. These factors can include the user’s daily schedule, the current weather conditions, and their specific heating and cooling needs.

Some smart thermostats will learn from the adjustments you make each day and later remain at the optimal setting where it feels you will be most comfortable. Others are programmable so that you may set the thermostat to be a certain temperature during the workweek, at night, or on weekends.

Why Should I Purchase A Smart Thermostat?

When you decide to upgrade from your standard HVAC thermostat to a Smart Thermostat like those in Lennox’s iComfort line, you get to enjoy total comfort inside your home without worrying about a high electric bill.

The reason why smart thermostats are considered better than the older manual version is because they have the ability to learn your daily patterns and where you want the thermostat to set each day.

This means that once you leave for work each morning, and your house is empty for several hours throughout the day, your thermostat will be working also. Your smart thermostat will make sure that it remains at a temperature that uses less energy until you return home at the end of the day.

The Best Features Found On Lennox’s Modernized Thermostats

Now that you know there is a Lennox thermostat out there for every type of homeowner, it’s time to find out more about these top-rated devices. Here are some details on the state of the art features found on many of today’s smart thermostats.

Schedule IQ

This is a feature found on the comfort line of digital thermostats from Lennox. These thermostats are not considered programmable in the same sense that many of us are accustomed to. Instead of the owner manually programming the thermostat to work how they want it, a new Lennox smart thermostat with Schedule IQ learns how to adjust your thermostat for you based on how you use it.

With this feature, you only need to program the thermostat one time and afterward, you may adjust the temperature up or down as needed to suit your comfort level. You can do this without the need to reprogram the device if your daily schedule happens to change.

The thermostat logs the changes and incorporates them so that the schedule updates automatically. It will remain that way until you any future changes in the schedule are made.

It only takes between one to two weeks for the Schedule IQ technology to figure out your schedule and the temperature range you prefer each day. And of course, you always have the option to manually adjust the thermostat to fine tune it.

Smart Away

Lennox thermostat Smart Away

This is a great feature if you are interested in cutting down on your energy costs. Available on iComfort models, this feature uses GPS technology and an app on your smartphone to alert your Lennox thermostat that you are either leaving home or returning.

The app causes the thermostat to adjust its settings to your preferred temperature depending on if you are home or away. While it can be a great feature, the fact that it can adjust temperature settings while other members of the household may still be at home can be a slight issue.

Lennox 17G74 CS7500 

iComfort Wi-Fi

The iComfort line of thermostats all feature an easy to use touchscreen panel that displays various details. It can provide you with access to a 5 day weather forecast for your area, as well as weather alerts and the current temperature outside.

Amazon Alexa

Lennox thermostat with voice control of Amazon Alexa

If you own an Alexa device from Amazon, it may be paired with the iComfort S30 and E30 models. When you have these two devices connected, it will provide you with a hands-free option for adjusting your home’s temperature.

The Top 5 Lennox Thermostats

There are several Lennox thermostats on the market which can help you save on energy costs and make your home as comfortable as possible all throughout the year. Here are five of the top-rated thermostats made by Lennox for you to consider.

The Lennox iComfort S30 Digital Thermostat with Geo-Fencing and Remote Access will help prevent high energy costs without sacrificing your level of comfort. This high tech thermostat is loaded with features designed to make your life easier.

Setup is simple thanks to the iComfort easy user interface. And once it is up and running, you can download the iComfort Mobile Setup App that allows you to control your thermostat settings remotely.

The iComfort S30 is compatible with all devices that feature Amazon Alexa. This means that you have the option to remotely control your home’s temperature using basic voice commands. You don’t even have to get up from the recliner.

The Lennox iComfort S30 Digital Thermostat is available to purchase on Amazon.com for $595.99.

The Lennox iComfort Wi-Fi thermostat allows you to keep track of and adjust your home’s temperature level from anywhere. Thanks to innovative Wi-Fi connectivity, you can change the temperature in your home and manage other thermostat controls by using the app on your laptop, tablet or smartphone device.

Now you have the option to take control of your energy costs because you can adjust it even when you are away from home. It couldn’t be easier to get your home at the optimal comfort level, while you save money at the same time.

This Lennox smart thermostat features the brand’s Away Mode that reduces system output while the house is empty throughout the day and sets the thermostat back to your preferred temperature once you return.

The iComfort Wi-Fi Digital Thermostat from Lennox is available on Amazon for $428.99.

For homeowners who are interested in buying a reliable thermostat that isn’t as complex, the ComfortSense line is the right choice for them.

These programmable thermostats are more affordable than those in the iComfort line because they are not equipped with the same features such as Smart Away or Schedule IQ. But these digital thermostats still have plenty of great features that make them a useful addition to any home.

The ComfortSense 7500 has a sleek, modernized design with a large digital touchscreen that is easy to read and use.  You have the option to program the thermostat for up to 7 days or go with the 5-day/2 day versatile option.

Additional features for the ComfortSense 7500 include Dual-Fuel capabilities, Away Mode, and useful Energy Reports. The device easily switches between heating and cooling output, based on the indoor temperature.

The ComfortSense 7500 Lennox Thermostat is available on Amazon for $229.26.

The COmfortSense 5500 Digital Thermostat from Lennox is another affordable option for homeowners who want the convenience of a digital thermostat in their home but prefer not to have a device that is too complex for them to use.

This thermostat features a brilliant touchscreen with easy to read graphics and a user interface that is not difficult to use.

The thermostat is programmable up to 7 days. It features One-Touch Away Mode, Energy Reports, Automatic Changeover and a simple setback recovery option that keeps the temperature inside your home exactly how you like it, when you want it.

The ComfortSense 5500 Digital Thermostat from Lennox is available to purchase on Amazon for $198.03.

The iComfort E30 Smart Thermostat from Lennox has a broad range of settings and features that can help keep your home cool in the summer and warm in the winter. Features include the “Feel Like” setting that is similar to what the temperature outdoors “feels like” according to weather forecasts. This allows you to set your thermostat at the ideal temperature so that you and your family may enjoy the optimal amount of comfort.

The E30 also has an Allergen Defender that monitors the area’s pollen levels and air quality based on your zip code. The Perfect Temp feature allows you to set the thermostat at what you feel is the ideal temperature. And Smart Away Mode can help you save plenty on your energy costs if you spend a lot of time away from home.

The iComfort E30 Lennox Smart Thermostat is available to purchase on Amazon for $468.99.

Comparison Table

Should You Hire A Professional For Your Smart Thermostat Installation?

The answer to this question depends on your experience level working with HVAC thermostat installation and wiring. If you do not have much experience in this area, it is highly recommended that you hire a qualified Lennox contractor to install and set up your new thermostat for you. They will be able to install the device in less time and answer any questions that you may have about using the product as well.

What To Consider Before Buying And Installing A Smart Thermostat

Before you choose to purchase a smart thermostat, make sure that it will be compatible with your current HVAC system. You shouldn’t purchase a thermostat until you know that your HVAC system and your electrical wiring will be compatible with it. While most of today’s popular models will be compatible with the majority of all HVAC systems, it’s important that you double check to be sure.

Will You Soon Be Installing A New Lennox Thermostat?

It is safe to say that Lennox is one of the most well-known names in the HVAC industry. So, it is not a surprise that the new line of Lennox smart thermostats is some of the best in the business.

This modernized IComfort line of digital thermostats will bring your old HVAC system into the 21st century. But if you aren’t interested in Wi-Fi connectivity or touchscreens, you can also find some exceptional basic Lennox thermostats from the brand’s ComfortSense Line.

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