Air Systems Cleaning Specialist (ASCS) — Question 10

When finishing up the air duct cleaning project, what is one of the final steps the ASCS should perform prior to leaving the client's property?

Answer options

• A. Check the panel to make certain the circuit breaker is of.
• B. Ensure fire protection systems are de-energized
• C. Check that the system functions property in heating/cooling mode.
• D. Ensure Lockout/Tagout locks are in place

Correct answer: C

Explanation

The correct answer is C because confirming that the system operates properly in both heating and cooling modes ensures that the client will have a fully functional system after the service. Options A and B are important for safety but not directly related to the air duct cleaning process. Option D relates to safety procedures but does not address the functionality of the system, which is critical before leaving the site.