While it's not necessary to register the s40 thermostat before using it, registering your thermostat will allow you to remotely control it from anywhere in the world on any device with an internet connection. It also enables you to receive performance reports via email. You can register your thermostat through the lennox smart thermostat app.
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.
Do i have to register the s40 thermostat to use it?
Topics
- Air-Conditioning Refrigerants
- Carbon Monoxide
- Care and Maintenance
- Energy Efficiency
- Finding Your Model Number
- Heating and Cooling Technologies
- Improving Indoor Air Quality
- Indoor Air Quality Issues
- Indoor Air Quality Systems
- Product Pricing and Purchasing
- Product Ratings
- Quiet Operation
- Repair Parts
- System Filters
- System Performance
- Thermostat Recycling
- Thermostats and Controls
- Troubleshooting
- Warranty Information
Get answers from a Lennox® Dealer.
It's easy to find an expert Lennox Dealer who can help you make the most of your HVAC system.
View Now

