Question

Why there is need of ventilator on roof

Answer 1

In a cold climate, the primary purpose of ventilation is to maintain a cold roof temperature to avoid ice dams created by melting snow and to vent any moisture that moves from the conditioned living space to the attic.

Answer 2

There is a need of ventilator at the roof as to get rid of the warm air during the winters . The ventilation system also helps a long way in moderating the humidity inside the house . It also plays the vital role of fresh air circulation .