The economizer is able to increase or decrease the amount of outside air that is brought into the structure with two ____.
A) blowers
B) dampers
C) valves
D) diverters

Question

Quizplus · Accepted Answer

The economizer uses two dampers to control the amount of outside air that enters the building. These dampers are called the fresh air damper and the return air damper. By adjusting the position of these dampers, the economizer can increase or decrease the amount of outside air that is brought into the structure, which can help to reduce energy costs and improve indoor air quality.

The Economizer Is Able to Increase or Decrease the Amount