No, Edward best I can guess. Point is one has an electric motor the other does not..

Jim

Sent from my iPad

> On Jan 2, 2016, at 5:19 PM, Karl Wolz <wolzphoto@q.com> wrote:
> 
> 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
>>>>