Im loving HR and starting to play with the Designer. Little steps. 
While I have the Broadlink RM Pro for Aircon control in the bedroom - and Ive seen the thread about that, I also have the Sensibo Aircon IR controller in our Lounge. Its a nice little dedicated unit and would be great if it could be added to Home Remote.
Knowing that you need an API for integration, I have found the following which I hope might help.
Yes - adding my request for Sensibo (Sensibo Sky) integration as well. The following is information about the open API: