The central heating as well as a/c plans that I own were giving me a lot of complications. The air flow was actually horrible. My apartment was never getting enough heating or a/c no matter what I did! So I called one of the heat as well as a/c businesses to send out one of their best as well as certified heating a/c specialists to have a closer look at my central heating as well as cooling units to see exactly what was going down, and once the heat as well as a/c business sent that certified heating as well as a/c expert to my apartment to look at the central heating as well as a/c plan it was found that the HVAC ducts were dirty as well as needed what is called a deep HVAC duct cleaning. This was going to cost me a lot of bucks but I actually had to get this done. Otherwise my central heating as well as a/c plans would just keep getting worse as well as then it would eventually chop down. And I am not talking about just a correct chop down, however one that would kill it totally to where I would have to invest in an entirely new as well as modern central heating as well as a/c plan unit. Since I did not want something like that to happen I paid for the deep HVAC duct cleaning. Once the HVAC duct cleaning was done my air circulation was back to normal as it should be. I was actually thrilled I got this done because it improved my overall quality of life.