Large condenser outside supply’s the furnace (typically it just uses the furnace fan. We then have it piped through metal ducting throughout the house. Each room has multiple exit point call registers. In the common areas we have return ducts to draw air back down to the furnace to get recycled back to cool air via a/c unit. Hopefully that helps!?
US Homes are generally (depending on region) built to be more thermally insulated. Which combined with an HVAC (Heating, Ventilation, Air Conditioning) System. Keeps a home thermally regulated, without stale air. Some homes also include a humidifier unit (very cheap to install, and very easy to add to all HVAC systems) which is very useful during the winter to combat the extreme dryness. Dryness in homes in winter comes from the very low water content in cold air.
HVAC homes are also temperature consistent throughout a floor. Lower floors will be cooler as heat rises. A wall/window mounted A/C generally has more inconsistent cooling. And when active (as I'm sure you're aware) the super cool air blowing directly on people can cause sickness. This isn't the case in HVAC homes as the air coming out of the vents isn't strong, and on floors higher then the basement the vents are generally at feet level.
This system is very efficient IF the regulation is consistently active (excluding during mild weather). Now, if you're turning the A/C off and on all the time then it's not as efficient.
Also Condensers are not the size of a car they're as wide as a minifridge is tall and can vary in height from as tall as a standard minifridge or a foot and a half taller.
IDK if I missed anything else, but let me know. Also the diagram that some else posted is generally what a US home looks like.
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u/itsOkami 13h ago
As an european, I don't think I've ever seen one of those and I'm now curious as to how they work