We use our Weber grills (1 gas/1 charcoal) year round. This year here in the East we have been slammed with snow and cold. Last week it was -10 one day. We grilled with your Kingsford product and it felt, and smelled, like summertime!
I have a Santa Maria grill which I use weekly. I tried lump charcoal, but that burned so quickly that I couldn't maintain heat for long periods of time. I first bought Kingsford in a two-bag wrapper at Home Depot two years ago. It lights quickly and sustains a burn for hours, just what I need when I lay wood on it for my barbecues. Kingsford is the only product I'll ever use now.
This is the only brand of charcoal that I will ever use! It's the only brand that my parents used! Food just doesn't taste as great nor does any other charcoal perform like Kingsford!