Top burner failed after three uses however service was quick and found a pinched wire that caused the main PCB to burn out all fixed in one visit. only complaint is that rear of Oven required a rear wall gap to vent by virtue of a bracket which in turn pushed unit out in front of our kitchen cabinets which was unexpected (2.5 inches). Using the top oven to cook and bottom for storage of various oven trays, top heats fast maybe 5 minutes to full 400+.  Nice finish in oven makes for super easy to clean up with wet paper towel alone.