| I'm thinkin that lever switched the location where the unit's return air comes from. In the winter you want the cooler air to go to the furnace, so that would be lower. In the summer you want to re-cool the warmer air that's in the upper region of your house.
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Originally Posted by wordsmythe  Damn YOU for making me agree in public with you.
But when you're right you're right. | "Wal-Mart, you may want to look into this." |