Why there is a metal grill at the back of fridge? Share with your friends Share 0 Archishman Bhaumik answered this There is a metal grill behind the fridge for better heat transfer.It increases the surface area ,as a result heat transfer rate also increases. 2 View Full Answer Niharika answered this it is behind the fridge at the bottom -2 Souptik Banerjee answered this For better heat transfer . 0