Infiltration in a house will ________.
A) increase on windy days
B) raise the heating load by about 10%
C) reduce the number of air changes
D) be increased by caulking around windows

Question

Quizplus · Accepted Answer

Infiltration, which is the unintended or accidental introduction of outdoor air into a house, increases on windy days due to the pressure difference between the inside and outside of the house. Option B is incorrect because infiltration increases the heating load and not reduce it. Option C is also incorrect because infiltration increases the number of air changes. Option D might reduce infiltration if done correctly but it is not a guarantee.

Infiltration in a House Will ________