Grouping of related equipment dedicated to a single application

System for moving air to maintain indoor thermal comfort and/or air quality

System for air treatment to control its temperature, humidity, cleanliness, and distribution to meet the requirements of a conditioned space

System consisting of one or more fans that remove air from the building

System that supplies or removes air by natural or mechanical means to or from any space in order to provide outdoor air to the space

System that generates, converts, distributes, and/or stores electricity

A system that supplies electricity to EVSE assembly equipment and its auxiliary loads

System designed to provide lighting

Refrigerant distribution to fulfill all or parts of a refrigeration cycle

Variable refigerant flow system

Cooling only VRF system can only cool

Heat pump VRF system can either heat, or cool, but not at the same time

Heat recovery VRF system can operate cooling and heating by each indoor unit independently, at the same time

System that supplies or collects potable or non-potable water in any state

System that circulates water in its liquid state below ambient temperature for cooling a space or process

System that circulates water in its liquid state for rejecting heat from a space or process

System that circulates potable water in its liquid state for purposes other than space conditioning and process requirements

System that circulates potable cold water in its liquid state for purposes other than space cooling and process requirements

System that circulates potable hot water in its liquid state for purposes other than space heating and process requirements

System that circulates water in its liquid state for heating a space or process

System that circulates water in its vapor state for heating a space or process