I have learned so much about fixing HVAC units now that I am a homeowner. I never had to worry about my HVAC units before I began owning my own home. The only thing that I ever worried about was making sure that I paid my rent. If my furnace or central air conditioner ever stopped working, all that I needed to do was call my landlord. He would call an HVAC technician, and I would schedule a time to get my HVAC unit working again. However, when I bought my first house, I knew that all of this would change. Now, I would be responsible for calling the HVAC technician and paying the bill. When my furnace stopped working for the first time, I called the HVAC technician like I was supposed to, and he drove out and fixed my heating system in thirty minutes. However, I was shocked when the bill for the HVAC repair was $200. Unless I learned how to fix minor problems with my HVAC units, I would end up spending a fortune on HVAC technicians in my lifetime. When my air conditioner broke down the following summer, I did some research and tried some simple repairs. I managed to fix my air conditioner, and since then, I have learned a lot of basic repairs for the HVAC units. Sometimes, I am not able to figure it out, and I am forced to call an HVAC technician then. Still, I have saved a lot of money by doing this. Soon, I might learn enough to fix my HVAC unit every time.