Salary of a HVAC technician depends on many factors. Anyway, the median pay for this kind of specialist in the United States is $41,000.xperience. HVAC technician salary by years of experience. Source: Payscale. According to our research, this is the main influencer. As you can see from the graph on the left, the starting wage increases as you gain more experience.
Chlorofluorocarbons (CFCs) are a group of compounds which contain the elements chlorine, fluorine and carbon. At room temperatures, they are usually colourless gases or liquids which evaporate easily.They are generally unreactive and stable, non-toxic and non-flammable.hlorofluorocarbons (CFCs) are a group of compounds which contain the elements chlorine, fluorine and carbon. At room temperatures, they are usually colourless gases or liquids which evaporate easily. They are generally unreactive and stable, non-toxic and non-flammable.
It has been proved that CFCs are a major cause of depletion of the earthâs stratospheric ozone layer and contribute to the greenhouse effect (global warming). Presently large quantities of CFCs are being used as refrigerants in a number of refrigerating and air-conditioning systems.Though the refrigerant moves in a closed cycle, there are lots of leakages that escape to the atmosphere and cause destruction of the ozone layer.hlorofluorocarbons (CFCs) have been found to cause the depletion of the ozone layer. The ozone layer prevents ultraviolet radiations of the sun from coming on the earth. This article describes the process of damaging effects of CFCs. slide 1 of 3.