I used it last year from around 8500-10500, and was pretty impressed at the boil times. I thought I had a video so I could tell you, but I mustve deleted it. I have a Reactor, a Soto Windmaster and the Stash. Before last year, I probably wouldve thought the Stash would be 3rd in line. I took it out a few days just to try it out, and for the rest of the 2 1/2 weeks I didnt use anything else. Pretty nice the way is nests in a lightweight package. I only boil though, never simmer.