Which of the following is the most common type of warm air outlets used in a house?
a. Ceiling diffusers
b. Wall diffusers
c. Perforated panels
d. Wall registers
e. Floor registers
Answer: E
Which of the following is the most common type of warm air outlets used in a house?
a. Ceiling diffusers
b. Wall diffusers
c. Perforated panels
d. Wall registers
e. Floor registers
Answer: E