Table 910 Recommended air changes due to infiltration

Type of Room

Number of Air Changes Taking Place per Hour

Rooms with no windows or exterior doors 1/2

Rooms with windows or exterior doors on one side 1

Rooms with windows or exterior doors on two sides 1-1/2

Rooms with windows or exterior doors on three sides 2

Entrance Halls 2

Qvent = the building ventilation volume flow rate, in cubic feet per minute

From the above and Equation (9.1), it follows that the total instantaneous building heat loss can be expressed as:

0 0

Post a comment