What is NOT required for HVAC systems regarding calculations for permitting and inspections?

In the context of HVAC systems, load calculations are a crucial component of the design and installation process. These calculations, which determine the heating and cooling requirements of a space, are typically required for permitting and inspections to ensure that the system will perform effectively based on the specific conditions of the building.

The reason load calculations are not the correct answer—as something that is not required—lies in the overarching purpose of ensuring that HVAC systems are both safe and efficient. Verification of ACCA Manual D calculations, and compliance with energy efficiency standards are part of the regulatory environment aimed at ensuring systems are designed and installed according to best practices and efficiency guidelines. Accurate manual submissions are also necessary for clarity and compliance with permitting regulations.

Thus, the correct focus regarding what is not generally required implies that while load calculations may play a significant role in the process, they are not always mandated in the same way that other verifications and submissions are in the context of permitting and inspections. This indicates a difference in the regulatory emphasis and learning about the flexibility of certain requirements in practical application.