The Lennox L40 Smart Programmable Thermostat is a top-of-the-line, Wi-Fi-enabled thermostat that combines modern technology with intuitive design for seamless control over your home’s heating and cooling system. With a sleek 4-inch color touchscreen, this ENERGY STAR® certified thermostat is ideal for both single-stage heating and cooling systems and 1H/1C conventional and 2H/1C heat pump applications. Whether you’re managing a traditional HVAC system or a heat pump, the L40 offers a smart solution for energy savings and enhanced comfort.

Key Features:

• Wi-Fi Enabled Thermostat: Control your heating and cooling system remotely from anywhere using the Lennox Home App. Perfect for busy homeowners who want to adjust temperatures on the go.

• Touchscreen Color Display: The 4-inch high-resolution color touchscreen offers easy navigation with large, legible fonts and intuitive icons for quick access to settings.

• Energy-Efficient Design: As an ENERGY STAR® certified thermostat, the L40 helps you save on energy costs while meeting 2025 EPA regulations for low-GWP refrigerant systems, qualifying for local energy rebates.

• Smart Away™ Feature: The geo-fencing technology allows the L40 to learn your routines and adjust the temperature when you're away, optimizing energy savings by ensuring the system runs only when necessary.

• Schedule IQ™ Technology: This smart thermostat learns your routine and adjusts heating and cooling based on your lifestyle, offering up to four separate 7-day schedules for maximum comfort and savings.

• Automatic Changeover: The automatic changeover feature automatically switches between heating and cooling to keep your home comfortable year-round, adjusting settings as needed for seasonal transitions.

• One-Touch Away Mode: Override your regular schedule with a single tap, instantly adjusting your thermostat’s set points to save energy when you leave home.

• Emailed Alerts & Maintenance Reminders: Receive notifications for HVAC system maintenance, including filter change reminders, system alerts, and service reminders to ensure your system runs smoothly year-round.

• Intelligent Recovery: The L40 uses intelligent recovery technology to pre-adjust your system to the desired temperature, ensuring comfort when you arrive home without wasting energy.

• Custom Equipment Profiles: Using the Lennox Smart Technician app, installers can quickly configure the thermostat with custom equipment profiles, simplifying the installation and ensuring optimal system performance.

• Smart Home Integration: Fully compatible with Amazon Alexa, Google Assistant, and other premium smart home systems like Control4, allowing easy voice control and integration into your home automation setup.

• 5-Year Warranty: Enjoy peace of mind with a 5-year warranty ensuring the durability and reliability of your thermostat.

Product Specifications:

• Wi-Fi Connectivity: Enables remote control and monitoring via mobile app

• Stage Compatibility: 1H/1C conventional systems and 2H/1C heat pump applications

• Energy Star Rating: Certified for energy-efficient performance, helping you reduce utility costs

• Programmable Schedules: Four customizable 7-day schedules for ultimate flexibility

• Dimensions: 3.7” height x 3.7” width x 1” depth for a compact, modern design

• Gross Weight: 1 lb, lightweight and easy to install

• Warranty: 5-year limited warranty for reliability

The Lennox L40 Smart Thermostat is designed to integrate seamlessly into modern smart homes while providing energy-efficient heating and cooling control. Ideal for homeowners seeking a smart, energy-saving solution, the L40 offers a blend of technology, convenience, and performance. Whether you're at home or away, the L40 gives you complete control of your comfort while optimizing energy use and savings.