Learn 6 reasons why your AC isn't blowing cold air and what to do about it. The causes why a blower or fan will not work in a car air conditioning system when the fuse blown or the blower motor failed. ; Popular Solutions: Set the thermostat to Auto and double check the set temperature. Despite hearing the sound of the AC turning on, your house is not cooling down as it used to. After some investigating, you determine that your outside AC unit isn’t running but the inside is. Common Reasons: This may have the easiest solution to your AC not blowing cold air. However, there are problems that are hard to see from the outside that could cause your AC to not blow cold air. This entry was posted in DIY Reference and tagged 440/370 A/C air conditioner air conditioning air conditioning not working capacitor contactor cooling DIY DP1025A 5006 fix air conditioner Honeywell HVAC MFD micro-farads not blowing cold air R8242A-1032 replace capacitor replace contactor Rheem Ruud thermostat on August 16, 2015 by Steve Jenkins (updated 1929 days ago) When there is no air coming out the car ac vents, it only means that the blower or fan is not working. “Why is my air conditioner blowing air, but it’s not cold?” Well, it obviously means your AC isn’t doing its job. Maybe you finally bit the bullet and turned your air conditioner on, or maybe you’ve been running your AC for weeks now. The first areas that should be checked and cleared can be completed easily and quickly. The car air conditioner is not blowing cold air but running, no air comes out the ac vents at any blower or fan setting. These are fixes which should be accessible to any home owner. Either way, to your surprise, something is not quite right. If your thermostat is set to Fan, it may be constantly running, but the air conditioner is not cooling to the preferred set temperature. An air conditioner that isn’t blowing cold air, in Florida. Turn A/c on thermostat with auto fan, A/C kicks on but there is no air blowing through vents, yet if Heat is turned on than there is air blowing through. The information here is sourced well and enriched with great visual photo and video illustrations. You shouldn’t be feeling warm air coming from your vents. It doesn't matter if it is on auto or just fan same thing happens, with heater ok with A/C not ok. During the summer, a problem you may run into with your home air conditioner is that your AC will be running, but cold air is not blowing out of it. This is frustrating because if the air conditioning is running, it should be blowing cold air. So the blower works just not when the A/C is on. Hello, we provide concise yet detailed articles on "Cold Choices: Ac Running But Not Blowing Cold Air" topic. An air conditioner not blowing cold air is one of the most common HVAC problems we get here in Florida. When you have a running compressor, but your air conditioning unit is not producing cool air, there are potentially a number of things that could be causing this problem. When you find the article helpful, feel free to share it with your friends or colleagues.