This is a well decorated and lovely place. It is very close to Trevi and it is a fun and lively neighborhood. Check in was fine and the place was clean and well appointed.
We did have some problems with the AC (July was hot!) the room with the two beds end to end did not have AC, so four of us had to sleep in the living room to stay cool. We managed, but it was a bit tight. The power breaker did trip several times, but it is right by the front door, so that was easy.
We also had difficulties with the free transfer, I worked out a deal with Renato to go to the port instead of the airport, but the transport never showed up and I was left scrambling to get 8 people with luggage to Civitevecchia. Again, we managed, but it cost me time and money.
Overall I would recommend the place, but I would be careful in summer months.