We had a major concern
The HVAC duct of my central heating and a/c had some major concerns.
This was something I had never dealt with before.
So I had to call the local heating and cooling system dealer to have them send out a certified heating and cooling system specialist to look at the HVAC duct. As it turned out, the HVAC duct needed some redoing as it had gone weak from it being so old. This was going to cost me a few bucks but I really did not have any option in the matter. So I had the heating and cooling system specialist get his tools and do the work that needed to be done to repair the HVAC duct. It took almost all afternoon it was that detailed. And the fact that he was by himself made it take this long as well. But when all was said and done the HVAC duct of my central heating and a/c was repaired and all was wonderful again. But the bill from the local heating and cooling system dealer was not pretty what so ever. But again, I had to do this and really had no option in the matter if I wanted to have indoor comfort once again and have the air flow of my central heating and a/c working wonderful again. At least though now that I had the HVAC duct of my central heating and a/c repaired I could now rest simple and not have to worry about anything else with the HVAC duct for a long time other than the HVAC duct cleaning.