My Signet 20 was purchased around March or April. I use my grill an average of 5 - 6 times a week, all year round, weather permitting. Living in Illinois, winters are hit and miss. So far, this grill is performing excellent. It's done a couple grills full of food for parties. And it performs just as well when I'm grilling just for myself. Heat seems to be very even across the entire burner system.