Product came on time in good shape . Easy to set up ,Set up guide is worthless.Clamps are worthless.Exhaust pipe way to short ,buy longer one and stainless 1 inch clamps for exhaust. Exhaust is under unit you have to put the machine on feet for pipe clearance.If your looking at your LCD , your exhaust port isthe first one closest to the front the other is combustion intake with air filter. vent exhaust to out side .I drilled thru my block to vent outside. you must use a larger pipe for sleeve , as the exhaust is 500 f coming out and will burn wood or siding ect. PUTS OUT GREAT HEAT.We will see how it lasts.