I'm slightly frustrated by my current apartment in this regard -- it's an older building, built with the assumption of no air conditioning. There are vents on

I'm slightly frustrated by my current apartment in this regard -- it's an older building, built with the assumption of no air conditioning. There are vents on the interior walls to allow air flow with the interior hallway, which is always pleasantly cool. The management has shuttered those vents, but not added any AC!