temperatures

http://www.harborfreight.com/1500-watt-dual-temperature-heat-gun-572-1112-96289.html It says it has two temperatures. 1500 Watt Dual Temperature Heat Gun 572°/1112°

I always stick to crockpot stuff and food I can leave at room temperature. I see a lot of more creative and tasty looking foods but I wonder, do you all use chafing dishes etc to keep stuff warm or what? For instance all the tasty looking stuff that is baked, do you just platter it and set it...