BYD and TCL have launched a vehicle-home connectivity feature that allows BYD vehicles to directly control TCL air conditioners at home. The feature is already available on multiple models across BYD's Dynasty, Fang Cheng Bao and Denza brands, including the Han L, Tang L, 2026 Xia, Datang, Fang Cheng Bao Tai 7, Denza N8L, Denza N9, Denza Z9, Denza Z9GT and 2025 Denza D9.
The project started in September 2025 and launched in March 2026, taking four months from connection to launch and more than two months of actual development.
How the Feature Works
Owners bind a TCL account by going to the vehicle's app center, opening the Smart IoT App, and selecting the home device page to log in and authorize the TCL account. After a one-time binding, air conditioners added to or removed from the TCL App account sync automatically on the vehicle side.
The feature supports three control methods: voice commands such as "Xiao Di, turn on the air conditioner at home" or "set the temperature to 25 degrees," on-screen tapping to adjust temperature and switch modes when parked, and scene-based automation. When the vehicle is one kilometer from home, a Home Mode automatically activates.
Supported Devices and Account Security
The feature currently supports TCL wall-mounted and cabinet air conditioners and fresh-air wall-mounted and cabinet air conditioners. Account authorization uses the industry-standard OAuth2.0 process to link the BYD account with the TCL account, and account passwords do not pass through the vehicle.