Edwin Pawlowski wrote:

"Marta Pia" wrote:

...I was considering putting ceiling fans in all the major rooms
to improve air circulation and cooling.

Where is this house?

Ceiling fans don't help with cooling.

They do, IMO, especially at night, helping a whole house fan or natural
ventilation. A narrow cool air stream won't cool the mass of a house much
at night. Cool night air needs to scrub the thermal mass of the walls.

...the draft may make you feel a tad cooler if you are in the moving air.

It can make you feel a LOT cooler :-) See the ASHRAE 55-2004 standard.

Nick