Question

Cholorofluorocarbons, hydrochlorofluorocarbons, hydrofluorocarbons, carbon dioxide, ammonia, and propane can each be used to provide a similar role in a common construction product. What type of product are we referring to? And why would you choose one of them over another?

Answer

Cholorofluorocarbons, hydrochlorofluorocarbons, hydrofluorocarbons, carbon dioxide, ammonia, and propane can all be used as refrigerants in air-conditioning systems. One basis for choosing among them is the wide range of impacts caused when these are released into the environment.