When Should Clean Central AC Condenser Unit Coil and How Long Does It Take (1)
                     When Should Clean Central AC Condenser Unit Coil
and How Long Does It Take?
When to Clean Your Central AC Condenser Unit Coil and 
the Expected Cleaning Timeframe
Maintaining your central AC’s performance requires regular care, particularly for the 
condenser unit coil, but establishing a suitable schedule can be puzzling.
Last time, I talked about How To Clean Your Central AC Condenser Unit Coil. I 
immediately realized that I’ll have to do a follow up on the “when” part. It is not enough 
to know how to clean the unit. You also must know when is the right time for the 
cleaning and how much effort & time should you put on it.
How Often Should You Clean Your Central AC Condenser
Unit Coil
I can sum up this content by simply tell you to clean your Air Conditioner condenser unit
coil once a year. But that’s the easy way.
Yes, ideally once a year is enough to keep your HAVC system working. But only if you 
keep doing it from the day you bought your air conditioning unit.
On the other hand, if you haven’t taken care of the unit from day one, you might need to
clean it more often.
Note that, if your unit is set up in a place where cottonwood tree or dandelions naturally 
occur, you might need to clean them more than once a year since they are the main 
culprit behind clogging.
But if you are super lazy, you can get it clean every time you need AC repair. This way, 
you don’t have to open the unit for later and you can also let the professionals handle 
the matter.
 
See the summary of when is the right time to clean your AC condenser unit coil here in 
this infographic – When Should You Clean Your AC Condenser Unit Coil? [Infographic]
 
When Should You Clean Your AC 
Condenser Unit Coil
How Long Does It Take To Clean Your Central AC 
Condenser Unit Coil
Ideally, cleaning the outdoor unit should take about an hour. Bur feel free to take your 
time if you are new at this. 2-3 hours isn’t a big deal when you are saving hundreds and 
thousand from AC services & repair for the long run.
Once you are done with the outdoor unit, the indoor part should take more than an hour 
or so.
That’s about it for today.
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