This is a servant's quarter next to the kitchen, which separates it from the rest of the apartment. The only major problem is ventilation: there's no window, relying just on the little blinds on the room door, added with a ceiling fan. But at 30+ degrees celsius in summer even at night, my first night was sweaty, with certain mosquitoes even forcing me to cover myself with a thin quilt. The second night, I opened the door, which really helped ventilation, but welcomed more mosquitoes too. It turned out to be another sweaty sleepless night. Just as I wondered how to sleep the third night, I decided to ask for one more standing electric fan, which should not only help ventilation, but also blow away mosquitoes from landing on your skin to bite. With such a fan as spared from its daytime use elsewhere, I got a better sleep finally. While I should have asked for help earlier, air-con should be chosen in Rio if available. Overall, this is money for value, esp. in other seasons.