Do All Houses Have Attics

Attics were common in all but the most arid climates in the united states.
Do all houses have attics. Not all houses do. It s very important to have an attic vented. The house or room could have no attic but a vaulted ceiling with the underside of the roof and the collar beams visible. An older home might have very little insulation if any at all so you should have some added.
Some very old homes have attic access only through a removable vent panel at a gable end wall of the roof. Even the air space above a flat roof needs to be vented. It might be cooler in very hot climates with adequate vents high up. Attics need to be able to breathe and should remain the same temperature as the outside air.
Although a minimum of one attic access opening is required by the building code for homes that meet that minimum requirement mentioned earlier one access may not be enough for large homes especially ones with a center cathedral ceiling that becomes an obstacle separating the two sides of the attic. Heat would be lost in cold climates. Does your house have an attic. It is a poignant moment that could only happen in a movie these days most houses do not have attics.
In contrast a house built using roof trusses will have an attic space full of angled web framing that connects the top chords analogous to rafters to the bottom chord which frames the ceiling beneath the attic space.