Heating, Ventilation, & Air Conditioning(HVAC) Helper 1

This program provides an introduction to air conditioning and refrigeration, covering essential tools, materials, and system components. Emphasis is placed on understanding the relationship and function of each part within HVAC systems. The advanced portion delves into various refrigerants, metering devices, and sealed systems, along with theory, installation practices, and service procedures for hermetic and semi-hermetic systems, including compressor replacement.