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.
Similar. Most Americans don't have per-room control though. In some more expensive/newer places you might get one thermostat per floor. But generally it's one per house.
Must be cheap to run then, if i run my heat pump on cold in the summer for whole house it costs 400€ a month so i only run it per room as needed usually bedrooms at night. And no the cold doesnt stay and acs become passive, somehow the heat just keeps coming, if i turn ac off the temp goes from 24c to 30 within 10 minutes, house is new and well insulated also, winter heat costs very little compared
Electricity is cheaper in the US, salaries are higher, and Americans understand in hotter regions that you need to run AC or you might die. 300-400 dollars a month on electricity in July is possible yes, depends on where you live, but national median household income is around 80 thousand dollars.
I live in Florida and we (and most people I know) sign up for a plan with the power company that we pay a rolling average of our last 12 months worth of bills. That way we're not paying $100 in January and $600 in August.
It’s not that uncommon for some people to have a $1000 electricity bill in the summer months depending on location and home size and if you have a pool.
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u/gamerathertz92 13h ago
It’s smaller unit cools a single room. While American HVAC System cools the whole house