This cold room is designed to work with conditions of -10 degrees Celsius and may work at a +40 degree condition. This is made to recreate testing conditions as needed and uses a simple zone design to make it functional. A double door with a 1400 x 1800 mm size is made with an electric lock and emergency handle. This also has an exhaust air system and a centrifugal fan with a stainless steel body. The air grille exhaust is also designed with a safe body. This is also used with an air-cooled condenser and a setup for connecting pipes in a room with ease. This also uses an electric timer and key lock. The inside has an emergency handle on the door to finish its body.