I think we’re thinking of different kinds of coffee shops here. I’m making an assumption Dunkin is like Tim’s in Canada: they use regular size coffee pots and r

I think we’re thinking of different kinds of coffee shops here. I’m making an assumption Dunkin is like Tim’s in Canada: they use regular size coffee pots and rotate them extremely quickly to keep the coffee fresh, usually discarding it if it’s > 15 mins old even. Their machines brew a pot in something like two minutes flat, from a commercial machine that has a boiler ensuring that the water is consistently 95 degrees C when it hits the grounds. You can’t get around having the brewing temp being damn close to the serving temp when you have a traffic jam on the road from the drive-thru backlog