If the household does not have this item, record 0 (zero). If there are 9 or more, record nine (9).
[Applies to questions 2.21 - 2.23]
Question 2.23 - Air conditioners (If there is central air conditioning, record the number of rooms served).
Record the number of air conditioners in the household or the number of rooms served by central air conditioning. If there are none, record 0 (zero). If there are nine (9) or more, record nine (9).