1 You are adding or replacing a split-system heat pump or central air conditioner.  An evaporator coil is the part of a heat pump or air conditioning system that becomes cold when the unit operates (or warm for a heat pump in winter). It is mounted in (or connected inline with) the ductwork of the home.
Sociology is the study of human social behavior and human association and results of social activity (study of group interaction, culture, etc. and all that they entail). Criminology is the study of crime as an individual and social phenomenon and is often viewed in context of social institutions.
What's different about the two of them? The individual trait theory of criminology, sometimes called the trait theory of criminology, says that people commit crimes because of certain personality traits. A personality trait is just a stable part of a person's character, like how extroverted he is.