Also read: Furnace Duct Cleaning: Know About Their Pros and Cons. If your car is blowing cold air that means that, the hot coolant is not reaching the heater core. Is the problem something you can do on your own or do you need professional help? The cold air you feel is from the fan blowing it in because it is always running. And you need to know how to solve the problem immediately. My Air Condition is only blowing hot air in the front, but cold in the rear. Laptop blowing COLD air out instead of hot..... by BLZN42 Aug 19, 2012 3:21AM PDT. When the A/C is blowing hot air, you can get frustrated, but there is no reason to lose your cool. So my question is more so, could low coolant cause my heater to not function properly or could there possibly be an issue with my thermostat? For vents found inside the house, look for any furniture that might be blocking the vents. No. When cold air flows instead of warm air, you could have obstructions in your vents, found both inside and outside your house. If you can’t get your furnace to blow any air, hot or cold, it’s possible it has overheated. If so, the compressor is working and the A/C system probably contains enough refrigerant to make cold air, so the problem is inside the HVAC unit. Sometimes, car air conditioner blowing hot air instead of cold air. White -> W/W1. I have a 2013 Kia Forte. It’s something that we often take for granted until it’s a hot day and your car’s A/C is not working. It May Be Blowing Relatively Cooler Air. If your dryer is blowing out cold air instead of hot, the most probable cause is that it has overheated. Mechanic's Assistant: Have you checked the coolant? Sunday, October 23rd, 2011 AT 7:16 PM. Luckily, the fix is relatively simple for our team, because we have the tools, training and experience. Your furnace blows hot air but that air quickly turns cold then the furnace shuts off altogether. When it’s supposed to blow hot air out the back. Air Conditioners are rather complex, with a variety of parts and internal systems. I honestly don’t mean this to be insulting, but you’d be surprised at how many times people are shocked to learn that neither your air conditioning nor your heater will be cold or hot right after you turn them on. I think it may be my thermostat because I noticed a month and a half ago, or so, my air conditioner wasn't getting very cold blowing out cool not cold air and now my heater is blowing out warm not hot air. Air conditioners are supposed to blow cold air, so what’s going on? We use cookies to give you the best possible experience on our website. has there been any excessive noises from under the hood. Yes. Replace the motor that controls the blend air door (this is a difficult job and best left to a professional since it involves tearing … My window unit is blowing cold air a little and it is blowing cold air out the back also. When given something hot to drink, you blow over it to make it mildly hot. Hot air coming from the vents is a common complaint received by our HVAC specialists. Well, you might call up a car mechanic and solve such a car ac cooling problem for the price of a few hundred bucks. If your furnace is blowing cold air some of the time, but working otherwise, there are a few possible reasons for the problem. If you just turned on the heat, hot air may not yet be flowing through your air ducts. The heat from the hot coolant is what your heater normally blows throughout the inside of the car. Hot air comes out from a/c unit even when I adjust the temperature to the … If you still get cold air out of the rear vents but the front only blows hot air you may have a bad temp door actuator in the dash, it may be stuck on hot and not able to move to cold air. We recently took it in for a winter check up and tire replacement and it's been doing this ever since. You might remember countless experiences of people blowing on their hands on a chilly winter morning. phillips in Paris, AR on . We answer the most common issues causing your gas furnace to blow cold air instead of heat. One of the most important differences between heat pumps and furnaces is that the latter blows hot air from burning fuel, therefore great heat is emanated at the furnace itself. We tackled last time about your vehicle’s A/C blowing hot air when it is searing heat outside. When your AC unit is generating warm or hot air instead of fresh, cool air, you have a few issues that might be at play. 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