Did you ever get this sorted? I am having a very similar issue with my 2019 Qashqai.

Hi all Had anyone had any issues with the climate control system on their 2019 petrol Qashqai not functioning correctly? On my Qashqai it seems that I have to have the temperature set much lower than I would in other cars and it still feels hot. I would normally have a car set to around 19-20C but i...