Orchid doctor

HEAT COLLECTORS: For Greenhouses

Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 3 years ago.

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Heat near the roof is up to 15 dF warmer, and can be returned to the floor area continually by means of installed collectors run by electricity to save from 10% to 20%, of fuel costs; they also lower the roof area humidity; in summer they help to keep the house cooler. OR82-221; how much does the electricity cost?
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