Judging air conditioning lack of fluoride tips

As the peak season for air conditioning approaches, more and more people are starting to notice some maintenance issues with their units. One of the most common concerns is whether the system needs a refrigerant (commonly referred to as "fluoride" in everyday language). But how can you tell if your air conditioner is low on refrigerant? Here’s a quick guide to help you identify the signs. A properly installed and functioning air conditioner shouldn’t need refrigerant for at least two to three years. However, if it starts leaking within just a few days, that's a red flag. It's important to note that an air conditioner not cooling doesn't always mean it's low on refrigerant—it could be due to other issues like a faulty thermostat or dirty filters. **Test 1: Check Cooling Performance** After turning on your air conditioner for about 30 minutes, see if it reaches the set temperature. If the unit runs continuously without shutting off, it may be a sign of refrigerant loss. **Test 2: Measure Temperature Difference** Use a thermometer to check the temperature difference between the air coming out of the indoor unit and the air entering it. A good system should show a difference of around 15 degrees. If the difference is less than 10 degrees, it could indicate a refrigerant issue. **Test 3: Observe the Evaporator Coil** After running the unit for 15 minutes, open the indoor panel and look at the evaporator coil. It should be evenly covered with condensation. If parts are dry, frosted, or icy, that might point to a refrigerant problem. **Test 4: Feel the Outdoor Unit Valves** If the outdoor unit is accessible, after 15 minutes of operation, touch the two valves. There should be a noticeable temperature difference. If one pipe is frosted while the other isn’t, it may signal a refrigerant leak. **Test 5: Check for Leaks** Use a pressure gauge to check the operating pressure of the system. Also, inspect the connections between the indoor and outdoor units for any oily residue. Refrigerant and oil mix, so oil on the pipes often indicates a leak. By following these simple checks, you can better understand whether your air conditioner needs refrigerant or if there’s another underlying issue. Regular maintenance and early detection can save you from costly repairs down the line. By Chen Wei, Beijing Business Daily

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