Posted on 6/27/2025

Your car’s air conditioning system should deliver cool, refreshing air, especially during Ohio’s hot and humid summers. But if you’ve noticed your A/C blowing warm air instead, there’s clearly something wrong. From simple fixes to more complex repairs, several issues can compromise the system’s ability to cool the air effectively. Here’s a breakdown of what might be causing your A/C to blow warm and what to do about it before you end up stuck sweating in traffic. Low Refrigerant Levels One of the most common reasons for warm air is low refrigerant. Refrigerant is the fluid that absorbs heat from your car’s cabin and releases it outside. If levels drop, the A/C can’t function properly. Over time, small leaks in the system lead to a loss of refrigerant. Even a tiny drop in pressure can make a big difference in cooling performance. Unlike engine oil, refrigerant doesn’t get used up, so if it’s low, there&rsqu ... read more