Is the aquarium air conditioned?

Yes. Every indoor pretty much is

Yes it is very cool.... even for the penquins!

I found it very humid and stuffy on a day filled with lots of family visitors

Yes, it is

Yes

Yes, it is air conditioned.

Yes, indoor exhibits have ac. It's 4 levels, ac is a must.

80% is, but i think the seal exhibit is outside.

Sure is it's great