DIY your smart home with the Longterm smart thermostat. Compatible with most residential HVAC systems and so easy to install—no common wire (c-wire) required in most applications. 

EASY DIY INSTALLATION: Use the built-in level and step-by-step app instructions for quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications

FAMILIAR OPERATION: Looks, feels and operates just like a traditional thermostat

SMART MAINTENANCE: can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment and maintenance reminders like filter replacement

MADE TO FIT: fits the same space as a traditional thermostat so you don’t have to patch and paint your walls

Smart alerts: features smart alerts to help detect extreme temperature and humidity levels in your home