I’m not aware of a thread discussing this video. We just uploaded it yesterday and I hadn’t had a chance to make a post here until now.
You are correct that both quilts are about the same thickness. The preliminary testing is that you will need a comparable amount of loft as a down quilt to achieve the same temperature rating. We ran out of cold weather last winter to really push it to the limits but we will resume the punishment again this winter. We did get to test at 30°F with 30°F UP Quilts and they performed well at a low of 26°F. We will push these to the limit this year and adjust loft if the fill allows. There is some research suggesting that UP will perform in a similar manner to Climashield (less loft for the same warmth) but we have not gotten there yet.
Part of the weight difference in the quilts is material. The down quilt is made with Argon .90 and Argon .67 while the UP is made with ION 1.1 (mainly to keep the price down). I showed have mentioned that in the video, sorry.
Our next video is going to be a compression comparison of UP, Down, and Climashield.
Have you considered combining the UP insulation with the DryTek Down?
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