Ian,
The horizontal circulating fans turned out to be so heavy and difficult to mount in my setup that I did end up
going with two small fans in diagonal corners directed downward into the aisle. Charlie's Greenhouse has this
type for sale -- about $75 if I remember correctly. But we just took two small fans we had on hand and hung
them with wires. I figure this is a $0 investment trial to see how this works over the winter. The ones with
the flexible tubes might be nice, if the tubes hang out of the path of traffic. Standing under the downdraft of
the ones I have now is not very pleasant.
Ann
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