MH>RW> According to roof vent officiendos, there shouldn't be any 'end' vents i
MH>RW> the attic. If you had/have them they should be blocked off. The natural
MH>RW> tendency for air to flow up when heated draws cooler outside air through
MH>RW> the soffets and will lower the attic temps a lot better. Also close off
MH>RW> any interior or garage access ports. Including that fan.

MH>Yeah, older homes have those side vents.  The roof peak vents make more sens
MH>since heat rises and between the soffets and peak vents, it will create a go
MH>flow for the heat to escape.

My older house did not have roof peak vents so I instaled tow of the
wind turbing vents. Seems to do the job quite wel of venting attic heat
in the summer. Not having Air I also increased the Attic insulation
from R-8 to about R-35
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 þ SLMR 2.1a þ 0