Here is a study/technology to address removing the steam humidification in HVAC systems. This also has a benefit to be able to dehumidify if we can run the system in reverse during the summer/humid months. https://www.researchgate.net/publication/332994718_An_experimental_study_of_brine_recirculation_in_humidification-dehumidification_desalination_of_seawater