I think it's the best Airbnb experience.
Pros:
1. Location. 700m to all ancient building. 20 min walk to Termini.
2. AC - works! RARE in Italy.
3. 3 doors before street - safe.
4. cafe and gelateria and fruit store - 10 m from your door.
5. all detais - are covered. kettles, coffee, dishes - EVERYTHING.
6. huge fridge.
7. Lucie​ is very helpful.
Sutiable for 2 and even 3 people (2 adult+kid)
Cons (hard to find)
1. one set of keys.