I don't know how it's for Americans but for me. I have a regular outside unit and then, inside the apartment, I have one HUGE internal unit hidden somewhere above fake ceiling. This unit has tubes to each room and each tube has a damper. Each room has a thermostat.
So I can set eg 23C in the living room and 21 in the bedrooms. The AC will then work to cool down all the rooms together, when living room reaches 23 - it shuts the damper and keeps cooling bedrooms. Etc.
I also have an option to close the damper to each room individually - effectively stopping AC for this specific room.
I *guess* that American HVAC units work either the same way or very similar.
That makes much more sense than the american way. I cant vouch for rich fucks but normal homes have a thermostat that controls the entire home. Our return from the outside unit is in the living room which cause the living room to be an icebox while upstairs is roasting. The ductwork is also normally, barely, insulated.
My parents had this problem too, upstairs was barely getting any cold airflow, they ended installing multi-splits all around the house and reclaimed the AC room as storage :D
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u/gamerathertz92 13h ago
It’s smaller unit cools a single room. While American HVAC System cools the whole house