I always seem to have a lot of difficulties in trying to take care of my HVAC item. I remember the initial time I went to change the air filter in the HVAC unit. It was a total disaster. I went to take out the old air conditioning filter and it had gotten caught. After some yanking and pulling, I had finally gotten it out. Once I had gotten it out, I couldn’t remember how to get the new one back inside. I tried so many different things. It was taking so long I decided to turn off my HVAC system. I did not want so much filthy air getting into my home. In fact, I had been trying for so long, I ended up being calling my local HVAC company to get them to put in the air filter for me. I could not figure the application out. So while I did make an attempt to replace the air filters, I failed miserably. I was so lucky to be able to call an HVAC company and have them come do that for me. They even showed me how to do it exactly so i couldn’t possibly mess anything from then on. That was the very first time I tried to change the environment filter. Let me tell you we were completely incompetent the second time too. The exact same thing happened to me. I had to call the HVAC business again. They failed to mind certainly but they tried showing me again. Certainly, the third time can be a charm. I call my HVAC supplier for everything.