If you would care about your central heating and air conditioner idea to stay working separate from any air flow problems 1 thing you need to remember to do is to have your air duct cleaned at least twice a year.
Having your air duct cleaned at least every 5 weeks will ensure that you will not have any air flow problems.
In addition to having the air duct of your central heating and air conditioner idea cleaned every single 5 weeks, you should also make sure and have your central heating and cooling component tuned up and evaluated up by your local heating and air conditioner professional before every season begins. This along with the air duct cleaning every 5 weeks will more or less come close to guaranteeing that your HVAC idea will not have any breakdowns what so ever and that your heating and air conditioner will be able to get you through those rough weather seasons with pure indoor comfort. When it is frigid out you will always have fully working central heating and when it is warm out you will always have fully working central air conditioner if you follow those 2 steps that I recommended. Again, the first is to have your air duct cleaned every 5 weeks and then the minute is to make sure and get your central heating and air conditioner idea tuned up and evaluated up before the start of every single season in the year. Trust myself and others I know what i am talking about because it has always worked for me!