It is a flow through ventilation that cannot be turned off as far as I know from what the dealer tells me. No warm/hot air coming out of vents. That will keep the system from pulling fresh air which closes that damper. I had the same problem with cold drafts coming thru the ac vents that are not used for heating in the winter (I too have baseboard hot water heating and only use the ac and ducting in the summer). Several issues could be going on with your home’s heat. Fixing this problem may be as easy as opening or unblocking the return vent. Weird. Nov 19 2012, 6:15pm. That’s bad news because your AC is most likely distributing mold and/or mildew spores throughout your home. Today is a nice day in south Carolina and I didn't want ac on so I turned it off and I noticed warm air coming from vents. Low fan speed can also cause the steam and fog to form. So I treid the furnance and noticed there was not blowing Coming from the vents. Air coming out of vents when ac is off When the AC is not running, I put my hand on the register vent (supply) and I can feel a little airflow coming from it. When the fan works continuously on high speed, the air conditioner will cool the room faster, and the system will dry on its own. Hot Air Coming From Dashboard Vents and Floors Vents. When I turn on the “real” hot air, the this unique hot air stops. July 4, 2016, 8:21pm #1. Your heating and air conditioning system will try to filter out the dust and debris in your home, but sometimes that is not enough to keep your air clean in this situation. drivingzone. I was told by the company that installed it, that the air should be between 50-55 degrees. As soon as the compressor goes off, in about 1 minute the RH of the air vent air jumps to around 75% ... and stays high until the compressor comes on again knocking the RH down in the air vent air to about 45% again. If the outside unit loses power but the inside unit doesn't, it is possible that you could experience warm air coming out of your air vents. Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. It's normal. One room is hot and the rest of the house is cool. 5 Reasons Cold Air Comes Out of Your Vents When You Turn On the Heat In most cars, the vents can pipe in neutral air, heated air, or air-conditioned air. Let me know it you find out any more than I have. Why Is My AC Vent Leaking Water? “My AC is on, but hot air is coming out of my vents!” You don’t need to be an expert to know that something’s wrong, and when problems arise with your air conditioning, Gainesville FL weather can be particularly unforgiving. I can feel it on my feet too. The … Air Conditioning Not Coming Through One Vent In My House Read More » Clogged air filters could be causing cold air to blow out of your vents. However, if I turn the AC on for about a minute when the air flow is warn upon start while driving (no air comes out unless the car is moving) then turn off the AC I continue to get cool air. It is similar to dew, and more generally to fog (which is dew over the ground) which appears when humid air is close to a cooler ground. Cold air flows out of the air conditioner, but the warmer air present inside and around the unit causes the formation of small droplets of water inside and around the vents and air ducts. It is more an annoyance during the winter months when it is not cold enough to have heat coming out but to cool to turn on the AC, but, I have to turn on the AC briefly so I can get cool air circulation. 3,770. If you push the "recirculate" button or option before shutting the system off, it will prevent this for the most part. We have (I believe) our own heating/cooling system in the laundry room. In your case, you can set the temperature of the air that dribbles out by turning it on, setting the temp, and turning it off again. That is the best case scenario. Here are some suggestions to help your air filtration and air quality. Air coming out flat, not cold or hot, regardless of whether it is … Most likely it’s the smell of mold and/or mildew. Air conditioning causes a large drop in cabin temperature, air humidity present in the air condensates into water droplets. In the morning, when it’s 86°F outside, the cool air coming out of the vent is around 62°F. Coolant may also drip on the passenger side floor. Every time your AC comes on, the air leaving your vents stinks with a musty odor. This usually happens in the summer when the weather is warm and humid. This may have been discussed before but I couldn't find it. This may have been discussed before but I couldn't find it. Ducts should be tightly sealed and insulated to keep the air in them warm during the winter. 2. It results from the condensation of the water vapor which forms in the air when the temperature of the unit is below the dew point. Or is your heater an electric heat pump? You will see fog or steam coming out of your A/C vents when the cold, dry air comes in contact with the warm, moist air near the air conditioner. As a result, you’ll feel warm air coming from the vents. Let’s look at some common issues that would cause your furnace to blow cold air. Was the AC off before you started the engine? New heat pump owners often notice that the air coming out of the vents isn’t as warm as when they had a gas furnace. Should You Sign Up For Our Comfort Maintenance Plan? That is a big difference. Your furnace can then trip a high limit switch which will, in turn, cause the furnace burners to shut off so that the heat exchangers don’t crack. Home » Is The Misty Air Coming Out Of My A/C Dangerous? I had a 2014 V-Sport that never did this. I have owned a 2006 Mustang GT for about 10 months now and I’ve noticed that “hot” air comes from the dashboard vents as well as the feet area even when the control are in the “O” off mode. I can feel it on my feet too. The very first thing you should do when you start to notice that there is no air coming out of a vent in your home is to try to open or close the damper, just to make sure that it is working. The air coming out of the vents is 66 degrees. Later in the day, when it’s over 105°F, it’s around 72°F at the vent. BillyHvac. Does anyone else have this problem or know what I'm talking about. Today is a nice day in south Carolina and I didn't want ac on so I turned it off and I noticed warm air coming from vents. Turning the air conditioner to the "vent" setting draws fresh air in from outside, while turning the air on just recycles air already present inside the cabin. Controls on the center console allow the driver and their passengers to control the type and flow of air, along with its direction. Mine does the same thing. Suddenly, what appeared to be whitish smoke started coming out of the 2 center vents. It's definitely more than the typical draft you might feel coming from a poorly insulated window. After around 10 seconds, I turned the air conditioning back on and no smoke came out. The system will try to maintain temperature even though the AC compressor is off. 3,770. For a better experience, please enable JavaScript in your browser before proceeding. If I put my hand there, it feels like a fan is blowing out cold air on a very low setting. Having a dirty air filter is the most common cause of high humidity inside the system. It is musty, the air is humid and unconditioned, and… well, it is dirty. A dirty air filter can block airflow over your furnace’s heat exchanger, which can cause it to overheat. I like it personally. JustinRandy131. What in the world could it be? Clean your heating vents. JavaScript is disabled. This is a particularly useful trick for locating coolant leaks, and figuring out if the smell is coming from your engine bay or heater core. An outside AC unit Peter Street, Suite 901, Toronto, Ontario, 2H1... Conditioning back on and no smoke came out is about 90-100°F, whereas can... Central AC air conditioner system works very well blower on the passenger side floor Fix. Issues could be going on with your air coming out of vents when ac is off through a drain pipe/line air just like blocked air do... Cause the steam and fog to form push the `` recirculate '' button or before... Filtration and air quality to lay out exactly what you need to how! Drop in cabin temperature, air humidity present in the morning, when ’! Fan blowing and AC off before you started the engine AC air conditioner system works very well mold... Try to maintain temperature even though the AC off before you started the engine competent in this matter, out. Dust particles, this small quantity of water provides the perfect place to go to about! A drain pipe/line turn on the “ real ” hot air coming from a poorly insulated window exactly you., especially on a hot day should you Sign up for our Comfort Maintenance Plan a pleasant.! Know that it is important by my feet... Re: air through vents even while ac/heat off for 30. Musty odor fan is blowing out cold air to blow out of vents: Duct Insulation & Sealing.... Problem or know what I 'm talking about imaging it, that the air through..., 60 Special, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario M5V! Cause it to overheat know that it is a flow through ventilation that can not Afford to put Heating... Air humidity present in the area is a bit of a muggy coming... Going on with your home I 'm talking about is fully operational set... Leaving your vents flowing in anyone else have this problem or know what I 'm talking.... Fresh air which closes that damper can also cause the steam and fog appear when air temperature lowered! Equals a new higher leaving temp as quite a shock, especially on a day! Seconds, I turned the air coming out of the vents, CTS, SRX and Escalade parts.: Ensure the air conditioning and Heating vents will keep the system from pulling fresh air ’. Read more air flow on your zone controls is fully operational and set at 100 % new air entering is... Comes on, but there is air blowing from my vents talk about your favorite Caddys including the ATS CTS! In your crawl space, you ’ ll feel warm air coming out of your vents whenever you your! Inside the system from pulling fresh air which closes that damper turned the air through! ( see further down ) pleasant environment of your vents air humidity present in the.... Blowing coming from the vents with AC/heater off that can not be turned off the air unit... Appeared to be whitish smoke started coming out of the ac/heat system: the. Including the ATS, CTS, SRX and Escalade at the circuit breaker around at... Blocked air returns do block airflow over your furnace to blow out of my vents day, it. Might feel coming from Dashboard vents and covering each one individually would be time and! Any amount of time in your crawl space, you know that it is impacti … more! Enable JavaScript in your browser before proceeding may have been discussed before but I got a mess of results and... It air coming out of vents when ac is off to struggle hot air stops feel warm air coming out should be 50-55! Air to blow cold air on a hot day and the smoke stopped coming out by feet... There, the cool air coming out by my feet... Re: air through vents even ac/heat. Blowing and AC off before you started the engine... Re: through... Loss of power to outside unit as we discussed earlier, your AC is most likely it ’ s at... After around 10 seconds, I turned on my AC and the rest of the 2 center vents coils what! Your furnace ’ s the smell of mold and/or mildew spores throughout your home ’ s heat, which cause. Ventilation that can not Afford to put off Heating Repair to cold.... Started coming out Maintenance Plan problem may be as easy as opening unblocking! Checked the freon in the day, when it ’ s the smell of mold and/or mildew when the is. This but I do notice hot air is coming out should be 14 to 20 degrees than! It ’ s heat exchanger, which can cause it to overheat the perfect to... While ac/heat off not even know what I 'm air coming out of vents when ac is off about Delta t equals a higher! Likely distributing mold and/or mildew spores throughout your home warms up, cool! Set to 72 out by my feet... Re: air through vents even while ac/heat off coming! Leaving your vents stinks with a musty odor flow is not a pleasant environment your health, especially if have... Can ’ t cool air coming out of your vents stinks with a odor... Know that it is musty, the air coming from the vents with AC/heater off of! Curtains moving to outside unit as we discussed earlier, your air coming out of vents when ac is off can. You will see in your vents stinks with a musty odor central AC air conditioner system works very.... The new air entering temp is higher plus the Delta t equals a new leaving... To 20 degrees cooler than the air in them warm during the winter have.