This apartment is very central, so it is nice and busy during the day. Be careful walking around these streets at night however. Taxis and ubers are recommended for any nighttime travel.
Access to the beaches in Ipanema and Copacabana is super easy since they are on the same metro line and there is a station literally right next to the building. The nightlife in Lapa is a 5 minute walk away. You can also easily walk up to Santa Teresa and to any of the sights downtown. The host provides pamphlets with many ideas of what to visit.
The apartment has good air conditioning (but note that it has no washing machine).
Recommended