Find an HVAC trade school near St. Louis, MO. with on-campus and online HVAC technician certificate training classes, diploma, and associate degree programs. All partner HVAC trade schools are accredited and have financial aid assistance for students who qualify. Take HVAC training courses near St. Louis and learn to test, install, and repair different types of residential and commercial HVAC systems. You'll find classes to prepare you for NATE and EPA certification too. Fill out the program search application to connect with an HVAC school near St. Louis.