Acoustic Analyzer Occupant comfort is a goal for all HVAC designers and sound (or noise) is a key parameter in measuring comfort. For most applications, it is the HVAC designer that is tasked with creating a comfortable acoustic environment to minimize background sound from the HVAC system. Acoustic Analyzer software is a DesignTool developed by McQuay to help designers estimate the sound of HVAC equipment in a space or outside a building.