What single word describes the efficiency gained through multi-equipment use?

The term that best describes the efficiency gained through multi-equipment use is "integration." When multiple pieces of HVAC equipment are integrated, they can work together in a coordinated manner to optimize performance and energy use. This coordination allows for more efficient heating and cooling, as well as better control of the indoor environment. The integrated systems often share information, which can lead to improved operation and maintenance practices, ultimately resulting in lower energy costs and enhanced comfort for occupants.

In contrast, the other options do relate to HVAC systems but do not capture the essence of efficiency gained through the collaborative use of multiple equipment. Grouping may refer to the organization of equipment but does not specifically imply enhanced performance. Zoning refers to dividing a space into different areas that can be conditioned independently, which aids efficiency but does not directly denote the use of multiple pieces of equipment. Distribution typically pertains to how air or chilled water is delivered throughout a building and is more about the mechanics of airflow than the efficiency derived from using multiple systems together.