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Posted by DonC on October 6, 2007, 10:18 pm
> DonC wrote:
>> Hi all,
>>
>> In every house I've owned, until now, I've installed a whole-house fan.
>> They significantly reduce AC costs and make for comfortable living.
>> Alas, that was while I lived in Michigan in houses that had attics. My
>> typical unit included a twist timer and variable speed motor.
>>
>> Now we live in southeastern AZ in a condo with a flat built-up roof so a
>> typical attic unit won't work. But we still have frequent cool nights
>> that would we could benefit from.
>>
>> Anybody here have any experience with WH fans in a similar setting? My
>> research so far has been disappointing -- no variable speed fans and
>> fewer available units : (
>>
>> Thanks
>>
>>
>
> Being in AZ I would consider a swamp (evaporative) cooler. A downdraft
> model would easily install on a flat roof, and give you cooling when
> needed, not just at night. I'll bet most of your neighbors have one, (or
> A/C).
Yes we have AC. Some -- but closer to a "few" rather than most -- have
swamp coolers but they're simply a form of air cooling limited to about 20
degrees of cooling. When temperature get over 100, 20 degrees isn't enough.
But we're talking about a different animal here. A WH fan "moves" existing
cool air supplementing AC at a much, much cheaper cost.
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