As an HVAC intern, you will typically assist technicians with routine maintenance, system installations, troubleshooting, and repairs on residential or commercial HVAC equipment. You may also help with equipment setup, ductwork assembly, and basic system diagnostics under supervision. These hands-on tasks allow you to apply classroom knowledge in real-world settings, learn industry best practices, and develop essential technical skills. Working alongside experienced professionals, you'll also gain insight into workplace safety procedures and customer service standards, all of which are key for career advancement in HVAC.