[hbogert]

Yeah but the article makes it sound as if lower is better, which it is definitely not. And yeah you need to control humidity, that might mean sometimes lowering, and sometimes increase it by whatever solution you have.

Also this is where cutting corner indeed results in lower cost, which was the reason for the OP to begin with. It just means you won't get as good a datacenter as people who are actually tuning this whole day and have decades of experience.