Where is the heater door actuator located?

Hello,

The blend door and the mode door actuators are located on either side of the HVAC box under the dash. The Blend door actuator is on the right side and the mode door actuator on the left side of the box.
The blend door actuator controls the temperature and the mode door actuator control where the air going to come out of.

https://www.2carpros.com/articles/replace-blend-door-motor
https://www.2carpros.com/articles/low-or-no-air-flow-from-vents

I have attached diagrams and pictures for your reference (look below).

Pleas let me know of any questions.
Thank you.