Well, Hot2000 has got me stumped again, hoping someone can provide some insight or previous experience with this one. 

In going through the upfront carbon costing on a project, one of the scenarios being proposed involves going from a 5' crawlspace (basement in h2k) to a 2.5' crawl with a deeper mechanical core. With the mechanical core, the average height worked out to 3.4' so I had to convert it to a crawl. As soon as I did that, the cooling energy shot up. I've attached a few screenshots that show the heat gain has actually gone down, but both the sensible and latent loads have gone up significantly. 

I'm having a tough time understanding the reasoning behind this, as none of the internal loads have changed. Hoping one of you folks smarter than me has come across this before or can explain what I'm missing on this one.

Thanks,

Andreas

Thanks, Toby. That's correct, 5' basement to 3.4' crawl. 

That makes sense, I'm surprised not to see it reflected in the heat gain on the calculation screen. Good to know!