Nobody wants to think about their air conditioner in April. But here's the thing — the homeowners who do think about it in April are the ones sleeping comfortably in July. The ones who wait until that first 90° day? They're the ones calling every HVAC company in town hoping somebody can squeeze them in before the weekend.If your AC has been acting up, or you're just wondering whether it's got another summer in it, here are the signs worth paying attention to.

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