While air conditioners are generally dependable, there are a few things that can go wrong with them, ranging from little annoyances to significant issues that make you want to rip your hair out. But your air conditioner doesn't have to be a source of ongoing annoyance; there are air conditioner repair measures you can undertake at home to get things back up and running - or to avoid problems from arising in the first place!
Although there are a variety of reasons why your air conditioner may be performing poorly or not at all, including faulty wiring, low refrigerant, and poor installation, all of which require expert attention, there are a few major issues that may be resolved at home.
There are two typical reasons why your air conditioner won't turn on: it could be unplugged, or the thermostat, if it's not hard wired, could be short on batteries.
The solution: It may sound obvious, but ensure sure your air conditioner's disconnect switch is turned on. Many folks overlook the fact that they turned off their air conditioner throughout the winter and will need to turn it back on. Second, make sure your thermostat is operational; if it isn't hardwired, check the batteries and make sure it is set to cooling rather than heating. If your programmable thermostat is hard wired and isn't working, you'll most likely need to replace it.
Clogged and unclean air filters or frozen coils are the most common causes of this problem, and one can often lead to the other! Dirty air filters reduce airflow in your home and can cause your evaporator's temperature to decrease to the point where it's frozen solid.
The fix: If your difficulties are caused by a filthy air filter, replacing it with a clean one is all it takes to get everything back on track. Of course, depending on how often you use your filters, you should change them every one to three months.
Frozen coils are more harder to repair since you must first determine why your air conditioner is freezing in the first place. Changing your air filters or raising the temperature on your thermostat can often solve this problem. It's crucial to remember that lowering your thermostat below 70-72 degrees exposes your evaporator coils to subfreezing temperatures, which are 40 degrees colder than the air in your home. If changing your air filters and raising the temperature doesn't solve your frozen air conditioner, it's time to consult an HVAC specialist who can assess the problem and suggest the best course of action.
Because the refrigerant-filled evaporator coils are 40 degrees colder than the air in your home, it will return air that is 20 degrees colder than room temperature. However, if the room temperature air is relatively warm - say, 90 degrees - the air flowing out of your vents will only be 70 degrees, which may not feel particularly chilly to the touch.
The solution is simple: just wait! It may take some time for the air coming out of your vents to feel chilly if the starting room temperature is high.
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