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The History Of Refridgerator In 10 Milestones How to Choose a Refrigerator Refrigerators are kitchen appliances that are used to keep food and beverages cold. They are used at home as well as in offices, hotels, and college dorm rooms. Certain refrigerators come with sophisticated features such as sensors and cameras. Some refrigerators have touchscreens that allow you to watch videos, browse recipes, view family calendars and shopping lists, or even leave notes for family members. Temperature Control A proper temperature in the refrigerator will ensure food safety and will prevent spoilage. This is particularly important for food items such as eggs and milk, which could quickly turn rotten when exposed to temperatures that are not ideal but stay stable in the refrigerator. Refrigerators can be used to store pharmaceuticals, such as vaccines or drugs that lose their efficacy with time. Refrigerator monitoring systems are available to help ensure a medical facility or laboratory has an appropriate cold chain. A refrigerator's internal thermal insulator keeps its contents cooler than the surrounding air. The heat pump is used to move warm air from outside the refrigerator into an insulated compartment, from which it becomes very cool. The refrigerator has a controlled system that turns on the cooling system when its internal temperature exceeds a preset threshold. This stops the growth of bacteria within the refrigerator. Each refrigerator zone is designed to serve a distinct purpose. The bottom shelves are ideal for storing perishables like fresh meats and vegetables that require the minimum temperatures to preserve their flavor and texture. The shelves should be kept clear in order to allow cool air to circulate through the refrigerator. A separate drawer for deli can be used to store soft cheeses and cured meats for the perfect charcuterie board. Refrigerators also have doors made of stainless steel or glass to protect the interior and facilitate cleaning. Certain refrigerators also have door alarms that can be programmed to warn you if the freezer or fridge doors are left open for too long. You can set them to alert multiple people, and in increments based on your needs. They can even be set to record temperature and send graphs remotely via email or text. The majority of refrigerators come with thermometers, but for those that don't, a freestanding appliance thermometer is a cost-effective way to monitor the temperature of your freezer and fridge. It is important to check the temperature of the freezer and fridge often, particularly if there has been an electrical failure or you've manually changed the temperature setting. Ideally, both the refrigerator and freezer should be set to 40 degrees Fahrenheit or below. Storage Capacity The capacity of your refrigerator is a key factor when choosing the model that will best suit your requirements. There are a variety of sizes to pick from, from small refrigerators that can hold a volume of less than 15 cubic feet to large models that can contain more than 26 cubic feet. To figure out the size you need, consider the cooking habits of your family and the number of people living in your home. For two people, an average of between 11 and 13 cubic feet of refrigerator space is sufficient, while 18 to 22 cubic feet is recommended. In addition to considering the space inside consider the depth of your refrigerator. Certain models are deeper than others, which allows them to fit in tight spaces and not take up too much space under your counters. Cabinet-depth refrigerators are another option, and have the depth being roughly the similar to the standard front of a kitchen cabinet (though handles can protrude a little more). These are a good option for those with limited counter space. They also appear sleeker. Be sure to inquire about the energy consumption of the refrigerator and the level of noise when you are shopping. There are many manufacturers that offer quieter refrigerators for residential use. Some offer refrigerators with less electricity consumption than similar models. You can find the average energy consumption of a particular model by examining the yellow Energy Guide label. Also, test the model's operation by opening and closing the doors. The pantry drawer is usually a full width section of the refrigerator that has separate temperature controls. It can be used to store a variety of items. These drawers are particularly useful to store party trays and wine, as they allow you to keep them at a specific temperature. These drawers can be programmed to store wines or deli food items as well as soft drinks, based on the model. Energy Efficiency Refrigerators use a lot of energy. Therefore, it is crucial to choose an energy-efficient refrigerator. The good news is that refrigerators are becoming more energy efficient in the past. Motors, insulation, and magnetic door seals have all improved over time, so a modern refrigerator consumes less energy than a model older in the same size. You can cut down on the electricity consumption of your refrigerator even more by buying a model that is highly energy efficient. A refrigerator with an Energy Star rating will use less energy than a model that is at least ten years old. It is important to consider energy efficiency for those who have limited access to electricity grids. For off-grid homes, refrigerators are usually among the most expensive appliances. Their high energy consumption also implies that they require huge systems of solar home systems that are out of reach for a lot of families earning less than $2 per day. The energy consumption of a refrigerator is therefore a crucial factor in determining whether it is cost-effective for consumers to purchase and operate (PATH and WHO 2013; McCarney et al, 2012). To understand how fridges work it is important to understand the fundamental refrigeration cycle. A refrigerator cools by pushing liquid refrigerant through a sealed device that begins as a liquid, then passes through a compressor that compresses the liquid into an vapor. This vapor then flows into coils on the outside of the fridge where it draws the heat from the fridge, cooling down before turning back into the liquid. This process is repeated repeatedly, keeping food cold as the vapor moves through the coils. Although refrigerators are among the most expensive appliances for off-grid consumers, increasing their energy efficiency makes them more affordable. By reducing the amount of energy they use the refrigerator can be powered by an enlarge SHS, which will reduce overall system costs for consumers. Energy savings differ based on the size, design and features of the refrigerator. For example, ice-makers and through-the-door water dispensers add cost, but can significantly increase the energy consumption and, in turn, increase the SHS required to power it. Maintenance Regular maintenance and inspections can significantly increase the life expectancy of your refrigerator. This can be accomplished by checking the condenser coils the ice maker, the defrost drain, as well as the gasket seal on the door to make sure it is in good condition. Cleaning and replacing water filter is also important. Doing these simple tasks can extend the life of your fridge and save you money on energy bills. Cleaning the inside of your fridge regularly is the easiest and most efficient way to keep it in good condition. This includes throwing away old food and wiping down shelves, crispers, walls, and even inside the doors of your freezer and refrigerator. This will lower the chance of contracting foodborne illness and unpleasant smells. A fridge thermometer is recommended for checking the temperature of your fridge frequently. Refrigerators that are not maintained are prone to temperature fluctuations that can result in food waste and more expensive electricity bills. It is also crucial to clean the condenser coils of your refrigerator every two years to get rid of any dirt hair, dust, and other particles that might have accumulated. These coils, which are basically radiators that help to remove heat from the refrigerator, are located at the bottom or rear of your appliance. If they're dirty, they won't be able to disperse heat as effectively and your fridge will require more energy to run. Examine fridges uk of your refrigerator which is designed to provide an airtight seal between your refrigerator and the ductwork in your home. It is important to ensure that your fridge's contents remain cold. However in time, the seal could be damaged by greasy fingerprints and sticky syrups. To keep your fridge's gasket in good condition, frequently clean it with an aqueous cloth. Lastly, it is an ideal idea to clean the drip pan, which is usually located under the refrigerator's compressor unit. The pan is used to collect water from the refrigerator's defrost cycle. It is recommended to clean it regularly to prevent the development of mold and unpleasant odors.