Learning HVAC basics in the US can take approximately 6 to 12 months, but to become a fully licensed and skilled HVAC technician, it might take 2 to 5 years, depending on one's educational route, state rules, and real-world experience. What Does "Learning HVAC" Really Mean? HVAC Knowledge vs HVAC Career Readiness Simply learning HVAC is not just about reading up on that manual and being done...