These ACs from Frigidaire, GE, Midea, and other brands can keep things cool and quiet while you sleep U-shaped air conditioners like this Midea can run quieter because they use your window to ...

Best window air conditioner: Midea U-shaped air conditioner (12,000 BTU) If you're looking to cool a space smaller than 550 square feet, we recommend this Midea U-shaped air conditioner.