In this article the Wall Street Journal mentions that “only about half of all hotels provide air that’s adequately clean”. They did a test and “four out of nine hotels had higher bacteria [and mold growth] than what our lab says you’d find in a typical suburban home” causing allergies, headaches and fatigue. So, open your large windows when you arrive to one of our condos. To be honest, both the W and the Sonesta allow you to open the window, something increasingly uncommon. And if you suffer from some degree of claustrophobia, avoid hotels.