similar to efficiency is keep cold time during a power outage. It's possible the food you lose could cost a significant portion of the fridge price. I have al

similar to efficiency is keep cold time during a power outage. It's possible the food you lose could cost a significant portion of the fridge price. I have always wondered about that when I see the LG fridges with glass doors (knock to light up). I don't think the R value of even a great glass door can be very good.