NH Hirschberg Heidelberg Hotel
In Germany, I stayed in this hotel. To say the least, the rooms were not air-conditioned. We had to open the window and had to close it back before we slept as one could easily climb into our room. We didn't feel safe in that sense. Anyway, it was cool and not warm even though it was supposed to be summer time.
We had our german breakfast in the hotel restaurant.
German frankfurter is the best!