If you notice your energy bill skyrocketing or your unit running on high all the time, you could have dirty condenser coils. The moisture that the AC removes from the air is supposed to be expelled through a drain line. When this happens, you’ll feel nothing but warm air. This is sometimes called a “flooded” evaporator, a problem that will also leave you with warm air. If the blockage is visible when you look at the drainpipe, you can remove it manually wearing protective gloves. Remove weed and debris surrounding the unit and hose it down to remove caked-up dirt. Thank you for choosing American Home Water and Air! A low refrigerant level means the unit has less capacity to cool, so your energy bills will be higher than normal and your home will not be a comfortable temperature. If I drove long enough yesterday to get it running, then it will also work today. I am in Europe! If you live in Arizona, for example, the last thing you want while riding out the hottest days of the year is to have your AC blowing warm air in house instead of the cool breeze that you badly crave. If your AC is not cooling, it may be because the refrigerant is leaking and whatever is left is not enough to effectively keep your home cool. When was the last time you changed your air conditioner’s filter? Place a thermometer near one of your registers. With a programmable one, you can keep the temperature inside your home consistent every time. This condenser has cooled and fans to push the air through. When this happens, your unit will release warm air, or sometimes no air at all. Without enough refrigerant in your system, the evaporator coils can’t absorb heat. When Freon starts to get low, the A/C can start intermittently blowing out cool air—particularly when it reaches a certain speed—and blowing hot air at other times. Here are the steps involved: Turn off the power to your unit. Fresh air can’t make it inside the unit and it starts to struggle. Over time, condenser coils get dusty and dirty, due to rain, wind and other conditions. Solution: Some clogs are relatively easy for you to fix. Just like the other appliances, your AC unit needs to be monitored and regularly cleaned to avoid issues. When the air temperature reaches the setting you’ve chosen — let’s say 70 degrees — the furnace can take a break until the air drops below 70 again. Do not forget to shut off the power before cleaning. If you haven’t cleaned the coils in a while, check out this post for some tips. However, you'll need a professional to figure out if this is the problem. I don’t drive every day. Older control systems tend to malfunction easily. If it is still going, but with speed reduced, call a professional service person and have it checked. After some investigating, you may realize that warm air, and not a cool blast, is blowing out of the vents throughout your home. Finally, on rare occasions, there may be a pinhole leak somewhere in your system that allows refrigerant to escape. This buildup acts as insulation, which leads to condenser coils that never lose heat, refrigerant that never returns to a liquid state and an air conditioning unit that doesn’t actually cool your home. With ABC’s help, you won’t have to wait for long until your home is cool and comfortable again. This means it’s important to be able to recognize the signs of low refrigerant. Check your air filter regularly to make sure there’s no dirt and debris buildup on it. To avoid this inconvenience, it pays to know the usual causes of air conditioner problems. There may be a leak you have not noticed, probably caused by rodents or careless workers during installation. If this is the case, be sure to take it into a mechanic as quickly as you can. Inspect the outside of your unit for any debris that has collected on the coil guard. You shouldn’t necessarily take a deviation from this to mean that your air conditioner is malfunctioning, though; make sure you investigate more thoroughly. In order to allow your system to stop shutting off, you can simply clean the unit. This impedes heat transfer. In gaseous form, refrigerant has no smell or color which can make it difficult to detect. Low refrigerant is another common reason for an AC to blow warm air. If you’ve ruled these possible causes out, troubleshooting gets a bit tougher and more complex. This way, you may never have to deal with an AC unit blowing warm air at the height of summer again. However, if you have been exposed to refrigerant, you may begin to experience signs of refrigerant poisoning, which include headaches, dizziness, nausea and, in severe cases, breathing difficulties and loss of consciousness. Filled with refrigerant, these coils act like a sponge and soak up heat from the air. Unfortunately, there is no easy answer as to why your unit might start blowing warm air. A dirty … JAVIER GOVEA MEMBER; 1999 MERCEDES BENZ CLK430 ... it sat for about thirty minutes but still blew hot when started up. This is the most common reason why your air conditioner is not cooling properly. While cleaning your condenser coils is a relatively easy task, most homeowners don’t have the tools to properly clean these specialized parts, so many homeowners leave this job to the pros. It could be because of a faulty motor, worn belts, or lack of lubrication. You’ll need a visit from an HVAC professional to make this furnace repair. This is the most common reason why your air conditioner is not … Your energy savings will make the price of getting one worth it. “ON” means the fan is always blowing air through your vents, even when your system isn’t working to cool the air it blows. Frozen evaporator coils can then cause your air conditioner to freeze up, which leads to even more problems with your system and its parts. Over time, dirt, pollen, leaves, rain and other debris can make your condenser coils dirty, making it difficult for them to work properly. Solution: An AC unit running on clean filters can keep on operating smoothly for a longer time. Cold Air Blows Intermittently And, while that can help improve air quality if you have a whole-home air cleaner installed, it could also be the reason why you feel warm air (or at least air that isn’t cooled) blowing … Air conditioning intermittently not blowing cold air. This is happening in cold or warm weather. A large restriction of refrigerant will also result in your A/C blowing warm air. If you have the right tools and consider yourself to be a pretty handy person, you can begin with cleaning your condenser coils. No matter it’s your home ac or the car ac, there is a device named condenser in each of them. Feeling a bit frustrated? Another reason for my ac blowing warm air is clogged drains. Solution: Dirty air filters lead to dirty and frozen evaporator coils. This is why replacing your air conditioner filters regularly is such an important aspect of maintenance. This works for both split and window AC. It can even interfere with how your thermostat works. If your AC is blowing out hot air, then the first step is to check the thermostat. If the outdoor unit loses electricity for some reason, or if your outside AC unit is not running but your inside unit is, your home’s fans will just blow air through an inert machine. Since i could no longer suffer the 100 degree San Antonio summer, caved in for the $ 1500 repair - R&R compressor, condenser with drier, transducer switch and Evac & … Another cause of home AC blowing warm air is frozen evaporator coils. Again, you won’t want to use this as your only diagnostic method but it can be a good first step if you’re not sure whether something is truly wrong. Refrigerant is never supposed to “run low.” A leak means that more refrigerant needs to be added and AC repairs need to be made. Some of the tell-tale signs of a leaking refrigerant are hissing or bubbling noises and a buildup of ice on the outside unit. There are easy steps you can take to prevent these setbacks from happening in your home or business space. If you own pets or use your air conditioner more frequently, you’ll likely want to replace your air filter are on a more regular basis. Warm air is sent through your ducts when the thermostat says it’s needed. Some models of air conditioners will include a pressure control in order to avoid damaging the condenser outside. The well-being of our employees and customers is a priority for us during these tough times; therefore, AHWA is taking extra precautions due to the COVID-19 outbreak. A home’s outdoor unit runs on a separate electrical supply than the fans inside the house. If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. Blowing Warm Air; One of the top complaints about an AC system is that it is blowing warm air. You may also have a return duct that is broken or disconnected and is pulling in unconditioned air from outside or an attic space. We hope this won’t impact our service and we will remain open for business until further notice. This way, the fan will work only when the air is being cooled. Your air conditioner’s condenser coils are responsible for removing heat from air and expelling it outside your house. Have your AC technician tune up and inspect your system every spring, before powering it up for the first time. 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