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It's always in the middle of a heatwave. Your AC hums to life, but instead of the icy rush you're craving, it pushes out a faint, lukewarm breeze. That's when the dread sets in. Is the unit failing?

During the warmer months, a window air conditioner can help keep your room comfortable for work, sleep, and relaxation. However, sometimes, it can fail to work as expected and leave you scratching ...