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Subject:
Re: Upper Ventilation in Winter: Moisture exchange and heat loss
From:
Kevin McMahon <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Sat, 19 Dec 2020 17:14:47 -0600
Content-Type:
multipart/alternative
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text/plain (54 kB) multipart/related (54 kB) , 131642164_10222103210721510_8173740750236894058_n.jpg (55 kB) , 131930810_10222103210201497_1911875224609712499_n.jpg (54 kB) , 131212014_10222103211361526_861198428020754725_n.jpg (54 kB) 

It is not very cold here right now, especially as it would compare to 
the Yukon. It's about 30°F outside.   Hives are wrapped 3 sides with 
reflectix insulation.
The Southern face is left exposed. (other hives are fully wrapped and 
some not at all just to compare in spring).  There is no upper vent on 
any hives.
Solid bottom board with a wide open entrance with hardware cloth (ala 
Mike Palmer).
The second photo shows a split cluster for the hive on the 
right...that's because it's two colonies separated by a double screened 
board.

As much as I tried, I could not get my Flir to pick up much if any 
discernible heat loss at the lower entrance, which was a bit surprising.




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