Some people like watching funny and cute videos on the internet, but I think that all of that is a waste of time. The internet is a huge resource of free information from which we can draw a huge amount of knowledge. It is a great tool for learning. When I am on the internet, I love watching videos that are going to teach me something. Lately, I have been watching a lot of videos concerning the HVAC industry. At first, I watched general videos about the HVAC industry. I learned about the history of heating systems and air conditioners and how they have continued to develop in our society. Afterward, I became interested in the inner workings of these HVAC systems. I wanted to learn about how these HVAC units worked, figuring that it would help me understand how to fix the HVAC units in the future. However, when my air conditioner stopped working in the middle of the summer, I decided to begin watching videos on repairing my specific model of air conditioner. It probably took me a lot longer to figure out how to fix my air conditioner than it would have taken an HVAC technician, but in the end, I saved a lot of money by fixing my air conditioner myself. After fixing my air conditioner, I realized that I would save a lot of money if I always fixed my own HVAC units. I began studying and watching videos about my heating system as well. Now, I never call an HVAC technician when my HVAC units stop working.