Comfort and energy in future buildings: illustrations in residential field.

Evolution in qualitative demand for future residential and commercial buildings is expressed through very various and, sometimes, non-compatible, tendencies.

However, all these demands have to be satisfied in a common environment of, one more time, different constraints.

The synthesis of both demands and constraints is very specific to national contexts. For example, the concept of "sustainable building" is different from a country to another, depending on the availability of resources (space, water, energy, ... ).