N_URB1 nursery had children until 5 years old, separated by age
into 6 different classrooms, divided into 3 floors. During the period
of measurements, the use of oil and/or electric heaters or air conditionerswas
common to heat the rooms in this nursery. To prevent
heat loss to the outside, windows were usually closed, and the only
natural ventilation in the roomswas done with the doors opened to
the inside corridors. Very young children, infants (