Carson 26‑Frame GWP vs. Storer 26‑Frame GWP – Which supports better ventilation for optimal nectar extraction?

I just installed a Carson 26‑Frame GWP on my northern side of the apiary and, on the southern side, the Storer 26‑Frame GWP.

Both share the same external dimensions and the same top‑entry opening, yet in practice I’ve noticed differences in:

• Lattice structure: Carson uses a finer, radial‑style mesh (0.3mm openings), while Storer opts for a looser 0.6mm grid. This influences draft speed.
• Vent openings: Carson provides a double‑layer vent system at the bottom, 23mm wide; Storer’s vent is a single 33mm aperture. The airflow from Carson feels more evenly distributed.
• Wax ribbon orientation: Carson positions the central ribbon at 30° to the frame, which appears to favor bead formation; Storer’s ribbon aligns more vertically. The angle may impact comb integrity during brood frames.
• Removal effort: Carson’s pull‑tabs fit neatly with an average of 45 seconds per hive, whereas Storer can require roughly 60 seconds due to its heavier pull‑tab construction.

In my trial across a two‑season window:

The differences, while modest, seem statistically consistent. I can’t help but wonder: does the higher vent surface area and radial mesh justify the price differential of roughly $8 per hive unit? I’d love to hear if anyone has similar data or anecdotal observations. I suspect the improved airflow in Carson has downstream benefits, but the cost‑benefit trade‑off remains uncertain. Perhaps a direct test in the same floral context would clear it up…

Your insights on ventilation efficiency in 26‑Frame GWP systems would be appreciated.