I need to ask more information about Swegon Casa ventilation modbus interface, but Mike hasn’t share his contact information.
Need Help - ESPHome Modbus - Ventilation - ESPHome - Home Assistant Community (home-assistant.io)
If someone doesn’t want to share contact then they don’t have to. Yoh may attempt to private message the person… Click on the person’s name. There is a private messaging button on thier profile. If they’re still active they’ll get the message and they can respond if they’re still participating.