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10 Refridgerator-Related Projects That Stretch Your Creativity How to Choose a Refrigerator Refrigerators (sometimes called fridges) are kitchen appliances that keep food and drinks cold. They are used at home as well as in hotels, offices, and dorm rooms at colleges. Some refrigerators are equipped with smart features like sensors and cameras. Others have touchscreens to let you watch videos, look up recipes, browse family calendars and shopping lists, or even leave notes for family members. Temperature Control The correct refrigerator temperature ensures that food items are safe for storage, slowing the deterioration of many foods due to spoilage. This is especially crucial for foods such as eggs and milk, which can quickly turn rotten when exposed to temperatures outside but remain stable in the refrigerator. Refrigerators are also used to store pharmaceutical products like drugs and vaccines that lose efficacy as time passes. Refrigerator monitoring systems can ensure that the medical facility, laboratory or any other institution maintains a cold chain. A refrigerator's internal thermal insulator keeps its contents cooler than surrounding air. The heat pump moves warm air from the outside of the refrigerator into an insulated compartment, from which it cools down. The refrigerator is equipped with a control system that turns on the cooling system if its internal temperature is higher than a preset threshold. This prevents bacteria from forming within the refrigerator. Each refrigerator zone is designed to serve a specific function. The lower shelves are perfect for storing perishables like fresh meats and vegetables, which require the minimum temperatures to preserve their taste and texture. The shelves should be kept clean to allow cool air to circulate in the refrigerator. A separate deli drawer can be used to store soft cheeses and cured meats for the perfect charcuterie board. Certain refrigerators have stainless steel or glass doors to protect the interior. They also make it easier to clean. Some refrigerators come with a door alarm that can be programmed. It will notify you if the fridge freezer is left open for too long. They can be programmed to notify multiple people in escalating tiers depending on your requirements. You can set them to send temperature graphs via text or email. Most refrigerators have built-in thermometers however, for those who don't, a stand-alone appliance thermometer is a cost-effective way to monitor the temperature of your freezer and fridge. It's important to check the refrigerator and freezer temperature often, especially in the event of a power failure or if the temperature settings are changed manually. Ideally, both the fridge and freezer should be set to 40 degrees Fahrenheit or lower. Storage Capacity The capacity of your refrigerator is a crucial factor in deciding on the model that best suits your needs. There are a variety of sizes to choose from, from small models that have a capacity of less than 15 cubic feet to larger models that can hold more than 26 cubic foot. To figure out the size you require, think about your family's cooking habits and the number of people in your home. For two people with a family of two, an average of 11 to 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. Certain models are deeper than others, allowing them to fit into tight spaces without taking up too much room under the counters. Cabinet-depth fridges are also an option. Their depth is comparable to that of a standard kitchen cabinet front, however the handles may protrude a little further. They are a great option for homes where counter space is at a premium and also look sleeker than traditional fridges. When buying a refrigerator, ask about its noise level and energy consumption. There are many manufacturers that offer quieter models for use in homes, and some offer refrigerators that consume less electricity than similar models. You can find the energy consumption average of a particular model by examining the yellow Energy Guide label. Also, test a model's operation by opening and closing 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 for storing various items. These drawers can be used to store party trays wine, other food items and more at a particular temperature. They can be programmed to hold wine or deli food items as well as soft drinks, depending on the model. Energy Efficiency Refrigerators consume a lot of energy. That's why it is important to choose one that is energy efficient. The good news is that refrigerators have improved in energy efficiency over time. The insulation, motors and magnetic door seals of a modern refrigerator consume less energy than a previous model similar in size. You can lower the power consumption of your refrigerator even more by buying one that is energy efficient. A refrigerator that has an Energy Star rating will use much less energy than a model that is at least ten years old. Energy efficiency is particularly important for those who have no access to the electricity grid. Refrigerators are usually among the most costly appliances for homes that are not connected to the grid Their high energy consumption means that they require massive solar home systems (SHS) that are not affordable for families earning less than $2 a day. The annual energy usage of refrigerators is a crucial factor to determine whether it's cost-effective for consumers to buy and operate. (PATH and WHO 2013, McCarney et. and. 2012). To understand how fridges work, we start with the basic refrigeration cycle. The refrigerator cools down by pushing refrigerant liquid through a sealed system. It begins as a fluid, then passes through the compressor which makes it compress into a vapour. This vapor is then pumped into coils located on the exterior of the fridge, where it draws the heat from the fridge, then cooling down before turning back into liquid. This process repeats many times, ensuring that the food remains cold while the vapor flows through the coils. While refrigerators remain among the most expensive appliances for off-grid consumers, increasing their energy efficiency makes them more affordable. A refrigerator powered by a smaller SHS can be operated with less energy. This will reduce the total cost of the system. Energy savings vary depending on the size, style, and features of a refrigerator. Ice-makers and water dispensers through the door, for example are costly, but can increase the energy consumption of the refrigerator, which can increase the amount of SHS required to power it. Maintenance The life expectancy of a refrigerator could be greatly increased by regular maintenance and inspection. This can be done by inspecting the condenser coils, ice maker, defrost drain, as well as the gasket seal on the door to ensure it's in good shape. In addition, cleaning and replacing water filters are equally important. Performing these simple maintenance tasks can prolong the lifespan of your refrigerator and also save you money on energy bills. The most simple and efficient refrigerator maintenance task is to wash the interior of your refrigerator frequently. This includes throwing away old food items and wiping the shelves as well as walls, crispers, and the inside of the doors of your freezer and refrigerator. This will eliminate unpleasant odors and lower the chance of contracting food-borne illnesses. A fridge thermometer is recommended for checking the temperature of your refrigerator regularly. Refrigerators that are not maintained may experience temperature fluctuations that could cause food waste and higher electric costs. It is also essential to clean the condenser coils on your refrigerator every two years to remove any dirt, hair, dust, and other debris that may have been accumulating. These coils, which are actually radiators that help remove heat from your refrigerator, are located in the rear or bottom of the appliance. If they're dirty, they can't dissipate heat effectively and your refrigerator will require more power to run. Another thing you should be checking regularly is your refrigerator's gasket that is designed to create an air-tight seal between your fridge and your home's ductwork. It is essential to ensure that your fridge's contents remain cool. However with time, the seal may be worn down by greasy fingerprints and sticky syrups. To keep the gasket of your refrigerator in good shape, you should frequently clean it with a damp cloth. It is also recommended to clean the drip pan, which is typically situated under the compressor unit. fridges for sale uk is used to collect the water that is drained from the defrost process and must be wiped down regularly to avoid the buildup of mold or unpleasant odors.