Damn, it took me a while to get this joke. Well done! :D

Yup. It’s not as loud and less energy intensive usually.

Hah, I didn’t mention the most important part. It basically switches on a ventilator when the absolute moisture content outside is lower than inside. This results in drying of the room that you ventilate like a basement with moisture issues. The dew-point acts as a proxy for measuring absolute moisture content.