Question about Heating & Cooling
In short, yes, you have to have the outside coils clean before adding refrigerant so that you can correctly charge the unit. Dirty condenser coils will cause a rise in pressure inside the system because it cannot condense the refrigerant correctly. On the other hand, unless your coils are corroded or completely clogged with a abnormal substance, most people wash out their own condenser coils with a water hose. You just start at the top and work your way down with a left to right motion, being careful not to bend any of the aluminum fins, which usually takes quite a bit of pressure. All you need is to make sure that your coils are able to have air pass through them freely. When they say they are going to clean the coils, they actually use a chemical substance that they spray on and rinse off and if you can avoid it, you can save that ridiculous fee! Hope this clears some things up and good luck!
Posted on Aug 25, 2010
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Posted on Jan 02, 2017
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