You talkin to me??

I know the difference; have both. Both relatively low tech. 

Karl Wolz
Sent from my electronic umbilicus

> On Jan 2, 2016, at 4:03 PM, Jim Felder <jim.felder@GMAIL.COM> wrote:
> 
> A swamp cooler is an evaporative cooler with a fan. Way different from a roof turbine. 
> 
> Jim
> 
> Sent from my iPad
> 
>> On Jan 2, 2016, at 3:42 PM, Edward Maglott <emaglott3@GMAIL.COM> wrote:
>> 
>> that sounds a lot less impressive.  it does mention furnace blowers as one
>> of it's main applications.
>> Edward
>> 
>>> On Sat, Jan 2, 2016 at 3:32 PM, Karl Wolz <wolzphoto@q.com> wrote:
>>> 
>>> I believe they're referring to the turbines mounted on home roofs. Low
>>> speed and low resistance with no motor.
>>> 
>>> Karl Wolz
>>> Sent from my electronic umbilicus
>>> 
>>>> On Jan 2, 2016, at 11:56 AM, David Beierl <dbeierl@ATTGLOBAL.NET> wrote:
>>>> 
>>>> I don't lay any particular importance to
>>>> the "turbine" designation.  I
>>>