In-wall AC units are a needle in a haystack for most New Yorkers looking to rent, especially in older, historically built homes. Usually, we end up lugging our heavy in-window units from one apartment to the next, sacrificing daylight just to sleep through the night without star-fishing or drenching our sheets. For renters, finding the right AC unit can feel like a project in itself. First, you’ll need to figure out your BTU requirements to see how much cooling power your space needs. Then