The first time I climbed the stairs in a house I rented in North Little Rock and walked straight into a wall of heat while the kitchen below me was genuinely cold, I blamed the thermostat. It was not the thermostat. I moved that dial up and down for a week like an idiot, and the second floor stayed stubborn all summer, because a warm upstairs is almost never a thermostat problem.

Heat rising is only half the story, and honestly it is the smaller half. The bigger culprits are how your house moves air, where your ducts run, and how much sun your roof takes between noon and five. Rooms upstairs also sit farther from the blower, which means they get whatever cooling is left over after the first floor takes its share. Once I understood that, the upstairs finally started acting like a bedroom instead of a sauna. Getting a technician to look at it during a heat wave and scheduling proper air conditioning repair little rock ar turned the whole thing around faster than any DIY fix I tried.
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