Which type of cooling equipment is exempt from certain code requirements?

Sensible cooling coils are typically exempt from certain code requirements due to their operational characteristics. These coils function primarily to remove heat from the air without changing the moisture content. Because they do not involve humidification or dehumidification processes, they are considered less complex and therefore may be subject to fewer regulatory constraints than other systems that actively manage moisture levels.

In contrast, equipment such as evaporators for total cooling, heat pumps, and refrigeration units often incorporate additional functionalities, such as humidity control, which necessitates more stringent adherence to code requirements to ensure that safety, efficiency, and operational standards are consistently met. This differentiation allows for sensible cooling coils to be more flexible in their deployment without compromising essential safety principles or system performance.