Warm air rises and cool air sinks. Upper storeys receive heat not only from windows and deck doorways, but from warm air rising up from the floors below. This combination makes rooms, apartments and offices warmer on the second floor than rooms on the first floor. That means it also takes more power – more fans and more air-conditioning to cool upper floor rooms.
Newcomers to the Southwest deserts learn very quickly what those who have always lived here know. The air is dry, the land is dry, everything that grows in the desert is sharp as a knife and equipped with spines, thorns and sharp edges. The sun is blazing hot and in changing seasons, the weather comes in fast and hard with crazy winds, hail and torrential rains. They also learn that they will spend a great deal more time outdoors because the land and skies are so spectacular and the views are extraordinary.