Thanks to everyone for their comments and suggestions. Here a little more info ...<UL TYPE=SQUARE><LI> The fans are Hunter fans
<LI> The smell comes NOT when the fan is running but when the lights are on for a period of time.
<LI> There is a dimmer switch on all of them (just as a side note, we have a 'upgraded' fan/light in the master bedroom and even though it has a dimmer switch, there is no smell in that room -- so I suspect that the dimmer switches are not the problem but what do I know?).
<LI> The label on the fan says 60watts max and that's what I have in there -- I'll try putting 40's in tonight in one of the rooms and see what happens.</UL>
<LI> The smell comes NOT when the fan is running but when the lights are on for a period of time.
<LI> There is a dimmer switch on all of them (just as a side note, we have a 'upgraded' fan/light in the master bedroom and even though it has a dimmer switch, there is no smell in that room -- so I suspect that the dimmer switches are not the problem but what do I know?).
<LI> The label on the fan says 60watts max and that's what I have in there -- I'll try putting 40's in tonight in one of the rooms and see what happens.</UL>