Cant speak from experience, but it looks fine, I'd say above average just from a quick glance at the website. .07air infiltration is relatively solid from the DH . U factor at .30 is not impressive at all, I suspect that they are using a standard Intercept spacer and could probably knock a point or two off of that with an upgrade in that area.
Neither endorsing nor trashing it, but the specs are decent enough that it is worth a closer look before making a call IMO.
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