Identification should include determining
- where the odor is most prominent
- the conditions (i.e., heat only, AC only, both) in which the odor occurs.
Process/Skill Questions:
- What type of disinfectant can be used to clean the HVAC evaporator system?
- What are the most common causes of HVAC system odors?
- What service precaution should be used when cleaning HVAC systems?
- What is an after-blow system?