Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
I am not sure if you can add DX directly to a VAV box in EnergyPlus, but you could add a ZoneHVAC:WaterToAirHeatPump, which I believe does what you are describing.
See this link... https://bigladdersoftware.com/epx/docs/8-3/input-output-reference/group-zone-forced-air-units.html#zonehvacwatertoairheatpump
