Warm air blasting out of the vents on a Southeast Texas afternoon isn't just uncomfortable — it can be genuinely dangerous. Before assuming a car just needs a recharge, Swift's Automotive breaks down the real reasons an AC stops blowing cold: a hidden refrigerant leak, a failing blower motor, a compressor that won't engage, a clogged cabin filter, or a leak somewhere in the system. Here's how to tell which one is actually happening, and what an on-site AC diagnostic looks lik