text:  no ventilation in the crawl space. But all of that, it's debatable whether that really helps keep the house cool, but it does have a lot to do with the humidity in the house. And the humidity levels is how you can feel temperatures differently. You think, oh boy, it's really muggy in here. Well, it's probably because of humidity. And if the crawl space has moisture in it, that could be where you're getting that. So there is a level of efficiency to be gained with