The Amana ATB1504ARW is a top-freezer refrigerator, and the time it takes to cool down to the desired temperature can vary based on several factors. Generally, after setting up the refrigerator or adjusting its temperature settings, it can take anywhere from a few hours to up to 24 hours to reach the desired cooling level. Here are some factors that can influence the cooling time: 1. Initial Temperature: If you're setting up the refrigerator for the first time or if you've just plugged it in, it will need time to cool down from room temperature to the desired temperature setting. This initial cooling process can take a few hours. 2. Room Temperature: The ambient room temperature plays a role in how quickly the refrigerator cools down. If the room is cooler, the refrigerator might reach the desired temperature faster. 3. Load Size: If you place a significant amount of warm or room-temperature items into the refrigerator, it can take longer to cool down. Pre-cooling items before placing them in the refrigerator can help speed up the process. 4. Temperature Setting: The temperature setting you choose for the refrigerator and freezer compartments also affects how quickly they cool down. Lower settings will require more time to reach the desired temperature. 5. Air Circulation: Proper air circulation inside the refrigerator is important for even cooling. Avoid overloading the refrigerator, as it can obstruct airflow and slow down the cooling process. 6. Food Safety: When storing perishable foods, it's important to make sure they are stored at safe temperatures. If you're concerned about food safety, use a thermometer to monitor the temperature inside the refrigerator and ensure it reaches a safe level within a reasonable time frame. 7. Advanced Features: Some refrigerators have features like fast-cooling modes that can help expedite the cooling process. Check the user manual to see if your Amana ATB1504ARW has any such features. In most cases, you should notice a significant decrease in temperature within a few hours of setting up the refrigerator. However, to reach the optimal temperature for food storage, it's recommended to wait at least 24 hours before adding a large quantity of food items. If you find that the refrigerator is not cooling down as expected or if you're concerned about its performance, it's advisable to consult the user manual or contact Amana's customer support for guidance.