Figure 1.  Comparison of locations for exhast fans and air inlets.

fig1a.gif (7380 bytes)

BEST air inlet    BEST exhaust

fig1b.gif (7334 bytes)

BEST air inlet    BEST exhaust

fig1c.gif (6934 bytes)

BETTER air inlet     BEST exhaust

fig1d.gif (5970 bytes)

FAIR air inlet    BEST exhaust

fig1e.gif (7051 bytes)

POOR air inlet    POOR exhaust