One of the most significant accomplishments of the human race up until this point on the timeline has been our achieving mastery over the elements. It seems ridiculous to think about it now, but there was a time not all that long ago wherein people just had to make do with whatever weather they got. This is not something that you have to experience in the modern era, and that is all thanks to the system of air ducts that every apartment building contains these days.
Air ducts allow you to breathe fresh air no matter where you are and regardless of how sensitive your lungs might be without a shadow of a doubt, so it can be frustrating if they stop working properly. If your air vents have been making a sputtering noise or are blowing out cold air but only in soft gusts, chances are that their filters have gotten dirty. As a result of the fact that this is the case, you should look into some top notch HVAC cleaning so that you can get your affairs in order.
The cleaning of air ducts works by using vacuum suction to pull dust and dirt clumps out of the vents. Some of this dust might not even have reached the filters, but suffice it to say that sooner or later it would have so it’s better to remove it before it gets the chance. You should get your air ducts cleaned about once every two to three years. It’s not an annual expense, but when the time comes to get it done it would behoove you not to delay it because the problem can very quickly become worse.