What happens if my AC coils are dirty?

What happens when your air conditioner has dirty condenser coils? Your home won’t cool properly. When dirt builds up on your condenser coils, it produces a layer on the coils that acts as a barrier between the air that’s blown over the coils and the heat inside the refrigerant that flows through them.Click to see full answer. Also asked, what are the symptoms of a dirty coil?The most obvious sign of a dirty evaporator coil is an overall drop in system pressure. As long as you know what constitutes a normal pressure for your system, you should be able to tell if the current pressure is below that level. If it is, a dirty evaporator coil is probably your culprit.Also Know, how much does it cost to have AC coils cleaned? Cost to Clean AC Coils It’ll cost anywhere from $100 to $400 to clean your AC coils as a standalone service. For highest system efficiency, get this done every year and up to once per month. Condenser coil cleaning, the one located outside your home, happens during your annual AC tuneup for $75 to $200. Beside this, is it necessary to clean AC coils? In most cases, your AC coils only need to be cleaned once a year unless you are located in an abnormally windy/dusty/dirty environment where it would come into contact with more debris than typical. If you use your AC unit heavily, it may also need to be cleaned more frequently.Will a dirty coil affect cooling?One of the ways in which a dirty condenser coil will affect an air conditioner is to reduce the overall efficiency of the unit. A dirty condenser coil with have a reduced ability to transfer heat to the outside air and this can lead to a less effective cooling system.