How to Choose a Refrigerator Refrigerators are kitchen appliances that are used to keep food and drinks cold. They are used in offices, homes hotels, and college dorms. Certain refrigerators come with smart features, like sensors and cameras. Some refrigerators have touchscreens that allow you to watch videos, browse recipes, look up family calendars and shopping lists or leave notes for family members. Temperature Control The right refrigerator temperature ensures food safety and will prevent the food from spoiling. This is particularly important with food such as eggs and milk which can quickly rot at ambient temperatures, but remain stable at refrigerator levels. Refrigerators can also be used to store pharmaceuticals, such as drugs or vaccines which lose their effectiveness as time passes. Refrigerator monitoring systems can ensure that an medical facility, laboratory or other institution maintains an effective cold chain. A refrigerator is equipped with an internal thermal insulator that helps keep its contents colder than the surrounding air. It uses the heat pump to move warm air from the refrigerator into an insulated compartment, where it becomes very cold. The refrigerator also has a control system that activates the cooling system if its internal temperature rises above the threshold set by the manufacturer. This stops the growth of bacteria inside the refrigerator. Each refrigerator zone is designed to serve a distinct function. The bottom shelves are perfect for perishables such as fresh meats and vegetables that require the most low temperature to keep their texture and taste. The shelves should be kept clear in order to allow cool air to circulate through the refrigerator. A separate deli drawer can be used to store soft cheeses and cured meats for the perfect charcuterie platter. Certain refrigerators have glass or stainless steel door to protect the interior. They also make it easier to clean. Some refrigerators also include door alarms that can be programmed to alert you if the fridge or freezer doors are left open for too long. You can set them up to notify multiple people and in increments based on your requirements. You can set them up to send temperature graphs by email or text. Freestanding appliance thermometers are an inexpensive alternative to the built-in thermometers in most refrigerators. It is important to monitor the refrigerator and freezer temperature often, especially during power outages or when temperature settings are altered manually. The ideal temperature for both the freezer and refrigerator is 40 degrees Fahrenheit. Capacity of Storage The capacity of the refrigerator is a crucial factor when it comes to choosing the right model to meet your needs. There are a variety of sizes to choose from, ranging from small refrigerators that have a capacity of less than 15 cubic feet to large models that can accommodate more than 26 cubic feet. Consider your family's cooking style and the amount of people living in your home to determine which size is best for you. For two people, an average of between 11 and 13 cubic feet of refrigerator space is adequate, while 18 to 22 cubic feet is recommended. Look at the depth of the fridge, in addition to the overall space. Some models are larger than others to allow them to fit into tight spaces and not take up too much space under your counters. Cabinet-depth fridges are also an option. Their depth is similar to that of a standard kitchen cabinet, but the handles may protrude a little further. They can be a great option for kitchens where counter space is at a premium, and they can also appear more stylish than traditional fridges. When you are shopping for a new refrigerator, ask about the level of noise and energy consumption. There are many manufacturers that provide quieter refrigerators for homes. Some offer refrigerators with less electricity consumption than similar models. Look for the yellow Energy Guide label on appliances to learn about the typical energy consumption for the specific model. Also, test the model's operation by closing and opening the doors. A majority of modern refrigerators come with a pantry drawer, which is a full-width section with separate temperature controls that can be used to store a variety of items. These drawers are ideal to store party trays and wine, since they allow you to keep them at certain temperatures. Based on the model, these drawers could come with pre-programmed settings for wine as well as deli meats, soft drinks. Energy Efficiency Refrigerators use a lot of energy. That's why it's crucial to have one that is energy efficient. As time has passed, refrigerators have become increasingly energy-efficient. The insulation, motors and magnetic door seals of a newer refrigerator consume less energy than an older fridge similar to its size. It is possible to cut down on the refrigerator's electricity consumption even more by purchasing an energy efficient model. A refrigerator that is Energy Star-rated will use less energy than a comparable model 10 years old or older. Energy efficiency is particularly important for consumers who have limited access to electricity grids. Refrigerators are usually one of the most expensive appliances for households that are off grid, and their high energy consumption means that they require massive solar home systems (SHS) that are unaffordable for many families making less than $2 a day. A refrigerator's annual energy consumption is therefore a crucial aspect in determining if it is cost-effective for consumers to buy and run (PATH and WHO 2013; McCarney et al, 2012). To understand how refrigerators function it is important to understand the fundamental refrigeration cycle. The refrigerator cools down by pushing a refrigerant liquid through a sealed system. It starts out as a fluid, then goes through the compressor that compresses it to form the form of a vapor. The vapor then flows through coils outside the refrigerator and draws heat out of it. It then cools down, and turns back to liquid. This process is repeated repeatedly and keeps food cold as the vapor flows through the coils. Although fridge sale are among the most expensive appliances for off-grid consumers, enhancing their energy efficiency makes them more affordable. A refrigerator powered by a smaller SHS could be powered by less energy. This will lower overall system costs. The savings in energy are contingent on the size, design and other features of a refrigerator. Ice-makers and water dispensers through the door, for instance, add cost however they can also increase the energy consumption of the refrigerator, which can increase the SHS needed to power it. Maintenance Regular maintenance and inspection can greatly improve the lifespan of your refrigerator. Check the condenser unit, ice maker and defrost drain. Also, make sure you check the seals on the door. Cleaning and replacing the water filter is also important. Doing these simple tasks can help prolong the lifespan of your fridge and save money on energy bills. The simplest and most efficient refrigerator maintenance task is to wash the inside of your refrigerator on a regular basis. This includes throwing away old food items, cleaning shelves and crispers, walls and the interior of your refrigerator's doors. This will lower the risk of foodborne illnesses and unpleasant odors. It is also recommended to periodically check the temperature of your refrigerator by using the help of a thermometer for your fridge. Refrigerators that are not maintained may experience temperature fluctuations which can cause food waste and more expensive electricity costs. It is also important to clean the condenser coils in your refrigerator at least twice per year to get rid of any dirt, hair, dust and other debris that could have been accumulating. The coils are situated on the bottom or back of your appliance. They're essentially radiator-like parts that help remove heat from your refrigerator. These coils can't dissipate the heat as effectively when they are dirty. Your refrigerator will use more energy to run. Another thing to be able to check often is the gasket in your refrigerator, which is designed to create an airtight seal between the refrigerator and the ductwork in your home. This is vital to ensure that the contents of your fridge stay cold, but over time the seal could wear down from greased fingerprints, sticky syrups and dripping drinks. Clean your fridge's seal with the help of a damp towel to keep it in good shape. It is also a good idea to clean the drip tray, which is located generally underneath the compressor unit of the refrigerator. This pan is used to collect water from the defrost cycle of the refrigerator. It should be cleaned regularly to avoid the growth of mold and unpleasant odors.
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