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 is the atomic chlorine that does the damage, since it can react with ozone (O 3) to form oxygen. The Cl atom is regenerated in this reaction, and so the breakup of only one CFC molecule can initiate the subsequent removal of thousands of ozone molecules.he chlorofluorocarbons (or CFCs for short) have recently received a great deal of attention, and notoriety, as a result of being implicated in the destruction of the ozone layer.