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Why should I have my entire system cleaned at the same time?

Some people ask to clean only one main line or one return and that’s it.

It is extremely important and even necessary to clean the entire system at one time.

You need to have all supply vents, returns, main lines cleaned and a new air filter installed if needed.

If somebody cleaned only one return when you have three or one main line, or cleaned only the supply vents, then once you turn on your furnace or air conditioner, all the dust and dirt will blow from the not cleaned areas to the clean areas right away.

Please work only with the reputable companies that will clean your entire system.

Do not fall into scams that offer to clean just part of the system.