Posted by Thomas Hockman on December 8, 2005, 5:04 am
Looks great. Good design. Good to see someone doing it. Hey, email the
local newspapers "Science and Technology" reporter and let him sit near the
vent on a cold day to learn about it.
Posted by gosolar23 on December 9, 2005, 6:15 am
Smart looking unit. I like the idea. Does it seem to heat up the
local room well? on a sunny day, it is probably putting out total,
Posted by schooner on December 9, 2005, 9:22 pm
Well based on Gary's calculator for radiation on a collector, the max
possible this time of year is 39,257 BTUs for the day, so 50,000 would be
We are still playing around with fans and getting a waiting to get a CFM
reading but haven't had a good day of sun since to test it.
More around 50-60F temp rise with 50-60CFM currently but trying to get CFMs
up closer to 80-100 with a new fan unit.