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All installations and services must be performed by qualified service personnel.
Figure 15: Plan View of a Typical Residence
Solution: If certain flowrates are desired, for heating or cooling reasons, or are
required, by local codes, those guidelines should be followed. In lieu of other
requirements, room floor area can be used to select flowrates for each room.
For instance, the floor area of the living room is 400-sq. ft. Using the result of our
previous example, the required minimum air flowrate for the residence is 1400
CFM. The air flowrate for the living room will be the total flowrate multiplied by
the ratio of the living room area to the total floor area or,
.350
..1600
..400
*1400 CFM
ftsq
ftsq
CFMCFM
RmLiving
=
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
=
63