I was taking my sibling to school and since she had missed out on the school accommodation, every one of us had rented an home for her near the school. Mum had suggested that I make sure she was comfortable before coming back home. I registered her in the school, every one of us got the keys to the home and helped her settle in; Just when I was about to leave, my sibling discovered that the central air conditioning unit was off, and switching it on using the wireless temperature control was not helping. She called out to me to come to help her find out the issue. I had interned at a cooling contractor for about a year and she was confident that I would help with indoor comfort. I knew enough about commercial s and residential units to save a life. The HEPA filter seemed clean enough. The management had informed us that a quality A/C repair had been performed on the cooling device and so I expected the unit to be in a nice condition. I noticed that the air duct was leaking as there were pools of water near the unit. The cooling specialist advised every one of us purchase a new Heating and Air Conditioning system which the building management was responsible for. I chose the zoned Heating and Air Conditioningsince it made more sense and was cheaper to install. The cooling workman had mentioned that it needed less frequent Heating and Air Conditioning repair than most units. The unit was installed before the day ended and my sibling at least spent the night in a chill house. She was harshly gleeful about starting school although she was also focused on achieving her goals. She did not need to change the system until she graduated and now in her lake house in the city, she has the same unit.