A commercial Air Handling Unit (AHU) generally consists of:
A client is noticing black particulate coming out of the diffusers and ending up on desks. During the initial inspection, the ASCS should pay close attention to the:
The PRIMARY purpose of HVAC systems is to:
Which tool is used to visually inspect HVAC systems?
An ASCS is cleaning an exhaust system that has a fan located adjacent to an outside air intake. Which of the following is a potential source of cross-contamination?
According to ACR, The NADCA Standard, all portions of each coil assembly should be cleaned. In order to determine which type of cleaning is required, the ASCS should:
