TURBRO Neighborhood Chicken Coop Heater, 200 Watts Aluminum Radiant Heat Pet Warmer, Lightweight Flat Panel Heater for Chicks, Hens - 2 Heating Levels, Install by Wall-mounted and Stand Up - Walmart.com
Amazon.com: moreximiximi Chicken Coop Heater,Chicken Heater for Coop Winter 140 Watts Radiant Heat Panel Energy Efficient Safe Design Warmer for Chicken Coop in Winter Two Ways to Use,1X Chicken Nesting Pad :