Kolpak, Master-Bilt & Norlake walk in freezers are especially designed to save you time and finances when you assemble your walk in freezer. A refrigeration technician is not required. Simplicity of design promises ease of assembly for future business relocation and walk in units expansion. Kolpak, Master-Bilt & Norlake commercial walk in freezers are considered top of the line in the cold food storage industry. They offer the best refrigeration equipment & the ultimate walk in freezer for any size of food industry facility. These units have a high 30-34R insulation rating. You will experience the quality, better performance, energy efficiency, and overall reduced cost of ownership. Commercial walk in freezers for restaurant & bar kitchen from CKitchen.com. Energy efficient freezers & other kitchen and restaurant equipment for your business.