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Posted by Morris Dovey on February 16, 2008, 9:26 am
For anyone interested in seeing photos of an installation of
commercial "drop-in" passive solar air-heating panels, you're
invited to visit
http://www.iedu.com/DeSoto/SC_Madison
The pictured installation took less than an hour with a four man
crew and has kept the building "shirtsleeve comfortable" through
the winter.
--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto
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Posted by EDS on February 16, 2008, 12:05 pm
> For anyone interested in seeing photos of an installation of
> commercial "drop-in" passive solar air-heating panels, you're
> invited to visit
>
> http://www.iedu.com/DeSoto/SC_Madison
>
> The pictured installation took less than an hour with a four man
> crew and has kept the building "shirtsleeve comfortable" through
> the winter.
>
> --
> Morris Dovey
> DeSoto Solar
> DeSoto, Iowa USA
> http://www.iedu.com/DeSoto
Neat, I designed a similar solar preheat system for a college field house,
gymnasium, and 25 meter pool in NH back in 1979, where the HVAC supply air
is brought through 3 banks of 60' black metal ducting (made up of 4" deep
galvanized decking). Worked great, with air on a sunny 0 degree F. day at
about 80 degrees F. at the HVAC intake. The lexan covers however distorted
from the heat and had to be replaced with glass. I gave a talk on this
project at an environmental conference in Norfolk VA. in 1980. Total
additional cost was $48 K. for a 60,000 sf facility.
EDS
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Posted by Morris Dovey on February 16, 2008, 11:31 am
EDS wrote:
> Neat, I designed a similar solar preheat system for a college field house,
> gymnasium, and 25 meter pool in NH back in 1979, where the HVAC supply air
> is brought through 3 banks of 60' black metal ducting (made up of 4" deep
> galvanized decking). Worked great, with air on a sunny 0 degree F. day at
> about 80 degrees F. at the HVAC intake. The lexan covers however distorted
> from the heat and had to be replaced with glass. I gave a talk on this
> project at an environmental conference in Norfolk VA. in 1980. Total
> additional cost was $48 K. for a 60,000 sf facility.
Thank you. I also built my first panels back in the 70's. There
has been, of course, a fair amount of improvement in the variety
of materials available in the years since. If you're still
interested in the topic, now might be a wizard time to catch up
on technical reading - interest in solar seems to be very much on
the rise again.
--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto
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Posted by ++ on February 16, 2008, 2:47 pm
EDS wrote:
>
>
>>For anyone interested in seeing photos of an installation of
>>commercial "drop-in" passive solar air-heating panels, you're
>>invited to visit
>>
>>http://www.iedu.com/DeSoto/SC_Madison
>>
>>The pictured installation took less than an hour with a four man
>>crew and has kept the building "shirtsleeve comfortable" through
>>the winter.
>>
>>--
>>Morris Dovey
>>DeSoto Solar
>>DeSoto, Iowa USA
>>http://www.iedu.com/DeSoto
>>
>>
>
>Neat, I designed a similar solar preheat system for a college field house,
>gymnasium, and 25 meter pool in NH back in 1979, where the HVAC supply air
>is brought through 3 banks of 60' black metal ducting (made up of 4" deep
>galvanized decking). Worked great, with air on a sunny 0 degree F. day at
>about 80 degrees F. at the HVAC intake. The lexan covers however distorted
>from the heat and had to be replaced with glass. I gave a talk on this
>project at an environmental conference in Norfolk VA. in 1980. Total
>additional cost was $48 K. for a 60,000 sf facility.
>EDS
>
>
I'd love to see your paper from the talk.
>
>
>
>
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Posted by EDS on February 16, 2008, 3:31 pm
>
>
> EDS wrote:
>
>>
>>>For anyone interested in seeing photos of an installation of
>>>commercial "drop-in" passive solar air-heating panels, you're
>>>invited to visit
>>>
>>>http://www.iedu.com/DeSoto/SC_Madison
>>>
>>>The pictured installation took less than an hour with a four man
>>>crew and has kept the building "shirtsleeve comfortable" through
>>>the winter.
>>>
>>>--
>>>Morris Dovey
>>>DeSoto Solar
>>>DeSoto, Iowa USA
>>>http://www.iedu.com/DeSoto
>>>
>>
>>Neat, I designed a similar solar preheat system for a college field house,
>>gymnasium, and 25 meter pool in NH back in 1979, where the HVAC supply air
>>is brought through 3 banks of 60' black metal ducting (made up of 4" deep
>>galvanized decking). Worked great, with air on a sunny 0 degree F. day at
>>about 80 degrees F. at the HVAC intake. The lexan covers however distorted
>>from the heat and had to be replaced with glass. I gave a talk on this
>>project at an environmental conference in Norfolk VA. in 1980. Total
>>additional cost was $48 K. for a 60,000 sf facility.
>>EDS
>
> I'd love to see your paper from the talk.
>
Good Lord, 28 years ago. I might have it somewhere in a mouldering box, but
the firm I was with then is long gone. Sorry.
Funny tale about that building, the ducts came in just over the Athletic
Director's office, and he had to work in his shorts to stay cool. Also
during the night condensation would freeze in the ducts above his office,
when the sun came up it would unfreeze and drip onto his desk. Only leaked
on sunny days ;-) We were able to fix both problems with some insulation.
The building had a field house that held 3500 spectators, another full gym,
3 squash courts, offices, a 25 meter 6 lane pool w/ 3 meter board, and
appropriate lockers, showers, etc. Walls were prefinished aluminum insulated
panels. Pool was all cedar clapboards inside with 5' gluelam beams. Heat was
required only on cloudy days and at night when temperatures dropped below
freezing as we did not have a heat storage system. Somewhere I've some
negatives of it. Have to digitize them.
EDS
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