Chapter Three NEC and HVAC | Article 300 | Wiring Methods
Chapter Three NEC and HVAC - Chapter Three in the NEC covers Wiring Methods which includes how the wiring is supposed to run, the conduit for wiring, outlets, junctions, and switch points, and a host of other topics about the proper way to run wiring.
HVAC Technicians will be familiar with piping support as is required in the Mechanical Code and electricians must follow some of the same rules when running conduit and add support for the conduit. (more…)
Learning the Basics of HVAC - To understand air conditioning and heat pump applications you will need to study refrigeration. Both air conditioners and heat pumps use refrigeration to move heat. Air conditioners move heat outside in the summertime using the process of refrigeration. Furthermore, heat pumps move heat in both directions (to the inside in the winter and to the outside in the summer) using the principles of refrigeration. 
HVAC School Education | Heating and Cooling - A solid career in HVAC career begins with a good education in a good HVAC school. You can start at different levels and work your way up with a career. As you work your way up you will want to continue your education not only to increase your skill level but also to keep up with emerging technology.
HVAC Mechanical Code Overview - Many people unfamiliar with air conditioning and heating do not know that the mechanical code regulates air conditioning and heating system installation in many municipalities. 