"Beam Me Up Scotty"
We had a 22-inch solartube (can't recall the brand, but it wasn't SolaTube) in our house in Michigan. The exterior dome has a southwest exposure. It works great in brightening a dark part of the house. We had a light installed in the tube in order to be able to use it at night as a light fixture, but we seldom use that feature. One manufacturer has a louvre system inside the tube that permits you to control the amount of light coming down the tube. That might be handy. I was concerned about the transmission of heat, but that turned out to be inconsequential.
My daughter-in-law, when she first saw the tube, stood under it's cone of light and said, "Beam me up, Scotty."
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Politicians are like diapers--they should be changed frequently, and for the same reason.
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