In context to residential heating, what major aspect does ACCA Manual S cover?

ACCA Manual S is a critical resource that specifically addresses the selection of heating and cooling equipment for residential applications. The manual provides guidelines to ensure that the equipment chosen is appropriate for the specific requirements of the home, including factors such as the size of the home, the climate, and the expected use. By focusing on equipment selection, ACCA Manual S helps ensure the system operates efficiently and effectively, contributing to overall energy efficiency and comfort in residential settings.

This emphasis on selecting the right equipment aligns with the goals of energy efficiency and optimal performance that are integral to LEED standards. Those involved in the design and installation of HVAC systems can utilize this manual to make informed decisions, which ultimately enhance the HVAC system's performance and can lead to better sustainability outcomes in residential buildings.