It was icy cold when I was at Chimborazo in Ecuador a couple of months ago. Many weeks later I got a link to this fascitnating video from a fellow overland traveller. Check out this interesting, well made video documentary of the last ice merchant at Chimborazo.
You are spending so much time behind a screen, spend this 15 minutes and you won't regret it.
Unfortunately I have not met Baltazar, the last ice merchant at Chimborazo when I was there. I hope you will have that honor when you are at the mountain.