25 below zero F. last night. 50 inside the deep winter greenhouse when the sun is shining. Low of 38 inside just using the fan on a GAHT system.

>> 25 below zero F. last night. 50 inside the deep winter greenhouse when the sun is shining. Low of 38 inside just using the fan on a GAHT system. << (from: i.redd.it)

Published 2 weeks ago

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