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Shop / lennox thermostat

Lennox S40 Smart Thermostat, Touchscreen, WiFi, Programmable, Geo-Fencing, Alexa Enabled

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$ 680.00   $476.00   save 30%
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The Lennox S40 Smart Thermostat is the ultimate solution for optimal comfort, performance, and efficiency. It connects to all Lennox communicating products, automatically configuring and controlling your heating/cooling system. The thermostat ensures a personalized and convenient experience with its user-friendly touchscreen, multiple schedules, Smart Away feature, live weather data, and easy installation via the Lennox Smart Technician app.

Featuring a 7-inch high-definition color display, the S40 Smart Thermostat offers easy readability and a touchscreen interface for effortless system configuration and maintenance alerts. It is compatible with most 24VAC furnaces, air conditioners, air handlers, and heat pumps (up to 3 stages of heat and 2 stages of cooling), except for communicating HVAC equipment other than LENNOX.

The thermostat also supports conventional HVAC systems with the optional Equipment Interface Module (EIM) for control. The Smart Zoning System (iHarmony) allows whole-home zoning with complete control from the S40 Smart Thermostat.

Weather-On-Demand provides live weather data and seven-day forecasts, while the Installer setup screens enable quick system configuration without a manual. The thermostat can run tests on the complete system or individual components for maintenance and troubleshooting, and the Service Dashboard enables real-time monitoring of installed smart systems.

To enhance temperature and air quality control, the S40 Smart Thermostat is compatible with advanced accessories like the Smart Room Sensor, Smart Air Quality Monitor, and Wireless Extender. It maintains efficient operating conditions by receiving information from digital controls and the PureAir S Air Purification System.

The advanced communicating controls in specific heating and cooling units, PureAir S Air Purification System, and Healthy Climate HRV/ERV (Heat/Energy) Recovery Ventilators transmit information about various operating parameters to the thermostat, allowing it to constantly maintain the most comfortable and efficient operating conditions.

The S40 Smart Thermostat is backed by a hassle-free 10-year warranty coverage against any manufacturing defects or malfunctions. To maintain the warranty validity, it is necessary to hire a certified HVAC installer for the proper installation. Failure to use a professional HVAC installer may void the warranty, and the item cannot be returned or refunded if not professionally installed. Instructions on how to register for the warranty are included in the box.

product information:

AttributeValue
brandGeneric
model_nameLennox 22V24
product_dimensions2.5"D x 7"W x 4.5"H
controller_typeApple HomeKit, Google Assistant, Control4, Amazon Alexa
special_featureGeofence Technology, Filter Indicator, Fan Control, Programmable, Auto Changeover
colorBlack
specific_uses_for_productHeat Pump, Air Conditioner, Furnace, Dehumidifier
temperature_control_typeHeating
connectivity_technologyWi-Fi
included_components7" HD Display with 4-wire Connection, Mounting Kit (Screws,Anchors), Wall Plate
voltage22 Volts
shapeRectangular
display_typeLCD
screen_size7 Inches
control_typeApp Control
control_methodApp, Remote, Touch
connectivity_protocolWi-Fi
mounting_typeWall Mount
styleTouchscreen
backlightYes
manufacturerLennox
item_weight1.68 pounds
item_model_numberLennox S40
customer_reviews
ratings_count9
stars4.2
best_sellers_rank#589,979 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#739 in Home Programmable Thermostats
date_first_availableJune 21, 2023

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24 Hours Cancellation

We accept order cancellation before Within 24 hours the product is shipped. If the order is cancelled you will get a full refund.

30 Days Returns & Exchanges Policy

If for any reason you are not satisfied with the purchased item,You have 30 days after delivery of your order to return an item.

After 30 days of delivery of your order, we will no longer accept returns.

Refund Process & Return conditions:

To request a return,please email us at:[email protected] ,We will respond within 24 hours after the consumer sends the email (except weekends).
If it is a quality issue, please provide an order number and attach clear photos of the items that represent the issue.
After we receive the returned order, our Quality Assurance department will inspect and verify the condition of the item.Upon acceptance of your return, a refund will be issued to the original form of payment within 1-3 business days.

Make sure your item meets all our return conditions :

Items returned without authorization will not be accepted.
The time frame for return must not exceed 30 days from when the original order was received.
Any promotional gifts must also be returned with your returned item.
All items must be returned in their original condition, without scratches or signs of wear, and must not be resized or altered in any way.
Your return needs to be sent within the given time frame(3-12 working days)
Please make sure you provide us the tracking# and receipt after you return.

Refunds

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, we will credit the credit limit to your credit card or original payment method within 5 business days (bank processing time frame).