First off, we'll be testing several of the things that you guys are bringing up, including square vs round. We'll keep you posted on when, but it is coming.
Second, the whole HVAC argument has no real bearing what soever. It's just stupid because hvac systems move similar cfm, but through much much larger "tubing". The speeds are much lower, etc, etc.
If I was guessing I would say to do an oval who's area is an extra 25-50% larger than the same round tubing and see what happens. But, again, we'll be testing this to let you know exactly what is best.
Second, the whole HVAC argument has no real bearing what soever. It's just stupid because hvac systems move similar cfm, but through much much larger "tubing". The speeds are much lower, etc, etc.
If I was guessing I would say to do an oval who's area is an extra 25-50% larger than the same round tubing and see what happens. But, again, we'll be testing this to let you know exactly what is best.
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