Most apartment buildings with HVAC have shared air intake and shared exhaust vents. So if my neighbor is running his A/C then he is actively exhausting hot air from his place which travels through the exhaust vents, some of it gets exhausted out the building and some of it gets recirculated. But the exhaust vents are shared, so if I’m not running my A/C then some of his hot air can end up in my place. In practice, is this a measurable effect?
In: Technology
If you have a shared HVAC that means you do not control the temp settings on your AC. You may be able to open or close your vents, but whomever has the controls of the AC will determine what temp it is set for and both of your apartments will adjust to that temp. All of the heat exchange is done at the condensing unit on the roof or outside the building on the ground or a landing. None of it is “vented” out of the building so there is no way for hot air to get into your room from the AC running.
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