The next time you scrub your house, ask yourself if you are truly cleaning it. Wiping down the counters in addition to mopping the floors is important, of course, but what about those nooks in addition to crannies of the apartment that no 1 ever sees? The back corners of closets in addition to underneath carpeting is where the real nasty filth hides out. No matter how scrub your apartment is, once or twice a year you should have some professionals check it out to see what you have been missing. For example, how scrub is the air you breathe? If you have never removed the air vent covers in addition to cleaned out your air duct, then your air quality might certainly well be filthy. To be honest, even if you have removed your air vent covers, there are so multiple deep, recessed areas in your air duct that you can’t possibly reach them all. To deep scrub your air ducts, you truly need to find a specialist, usually this means someone with their Heating plus A/C certification, however but not always, because air duct isn’t electronic or mechanical in nature, so you don’t need an education to specialize in it. The thing is that only Heating plus A/C techs have the skill set to reach the deepest parts of the air ducts. My cleaning dealer hired a former Heating plus A/C tech, a person who also used to make his own sheet metal in addition to built his own air ducts, to be our in-house specialist. With his expertise, both of us can fully scrub out any air duct system, any air vents ,and any exhaust fans, in addition to make them as scrub as when they were new.