Sara and Cosma welcomed us very warm and friendly. The apartment is a very cosy, clean and quiet place to relax. Even when Sara and Cosma weren't there we could always reach them via airbnb massage.
I would recommand taking a taxi from and to the airport. It only cost us 17,50€ (the airportbus 6€ per person) and one doesn't have to cange the line.
It was a grat stay and because of the windows on both sides of the roof not even too warm (plus: there is an air condition in the apartment but we didn't need it).