1 The way your foot is shaped puts too much pressure on your big toe joint. Because bunions can run in families, some experts believe that the inherited shape of the foot makes some people more likely to get them.  Your foot rolls inward too much when you walk. A moderate amount of inward roll, or pronation, is normal.
Step 3: Route 2: Earn a Certificate or Degree. Enroll in an HVAC certificate or associate's degree program at a community college, trade school or technical academy. The programs can take between six months and two years to complete.
What you may not be so sure of is how to actually become a qualified technician and how long it will take you to build up the knowledge and experience required to thrive in this field. The great news is that an HVAC career is well within your reach. Read on to learn more about how soon you can get to work, what to expect from your training program, the outlook for the HVAC industry, and more!