On Jul 11, 5:03*pm, Bret wrote:

Hey Tony, in my profession I study optics and the interaction of light
with materials. *Here's my suggestion. *If you like the aluminum color
(unpainted), it will stay as cool as white. *Aluminum reflects
essentially all the suns rays just like white scatters all of them, so
if you paint it, it will probably get warmer than if you just leave it
alone. I.e. natural silver color is the new white. *Besides, zero
upkeep.

Bret

I suspect you have not spent much time in Arizona. I have lived here
over 20 years and can assure you that white painted objects are much
cooler in direct summer sun that bare metal objects.

Andy