>Evaporative coolers loose efficiancy as the humidity goes up so I was
>worried that in an already humid green house they wouldn't cool the air
>enough to make
>>a difference.
It's the humidity of the outside air that detrmines the efficency of an
evaporative cooler so in Arizona you should have no problems.
John Vogel
u15349@UICVM.CC.UIC.EDU