Sometimes to save money, you have to learn how to do things yourself. This is exactly what I did when it came time to fix my heating and air conditioning unit last year. I knew a little bit about heating and cooling repair because my uncle was a certified heating and cooling specialist when I was growing up. However, I did not know every single thing about heating and cooling repair. I taught myself the basics by going online and reading about as well as watching some videos on air conditioning and heater repair that were made by certified heating and air conditioning specialists from around the united states of america. It took me about three to four months before I finally was starting to understand everything. At this point, I enrolled in classes at my local university to get my certification to become a heating and air conditioning specialist. I had no intention on actually working as a certified heating and cooling specialist, however, I just wanted the certification so I knew for sure that I was ready and able to fix any kind of heating as well as air conditioning issues. This has saved me literally thousands of dollars in heating as well as air conditioning repair over the past long while. I actually have helped some of my family members as well in saving money on their heating and air conditioning needs and repair. Maybe I will open up an HVAC business someday after all. It would be something to do maybe when I retire from my main job.