The first trick: understand the code on your air conditioner:
Air conditioners often come with a model number that contains important information about their type and function. For example, "KF" stands for a split-type wall-mounted cooling-only unit, while "KFR" refers to a split-type wall-mounted cooling and heating model. "KFRD" means it has electric auxiliary heating, making it ideal for colder climates. "KC" is a window-type air conditioner, and "LW" refers to a floor-standing (cabinet) unit. For instance, KFR-25GW means it's a split-type air conditioner with a cooling capacity of 2500W. Knowing these codes helps you choose the right unit for your needs.The second tip: match the power to the room size
To determine the right air conditioner size, use the formula: cooling capacity = room area × 90–100W. A small room under 16m² usually needs a 1-horsepower unit, while a larger space between 16–20m² would require a 1.5-horsepower model. For rooms over 21m², a 2-horsepower unit is more suitable. However, don’t just rely on square footage. Consider the room’s orientation—south-facing rooms get more sun and may need a stronger unit. Poor ventilation also affects performance. Be cautious of salespeople pushing high-power models; they might not be the most cost-effective choice.The third tip: choose energy efficiency based on usage time
Energy efficiency ratings can save you money in the long run, but it depends on how often you use your AC. If you use it for 11–12 months a year, a first-class energy-efficient model is worth the investment. For 8–10 months of use, a second-class unit offers good value. If you only use it 3–7 months annually, a third-class model is more economical. And if you rarely use it, even a lower-rated unit could be sufficient.The fourth tip: go for reliable brands and service
Air conditioners are not just about the product—they’re also about installation and after-sales support. Choose well-known brands like Haier, Midea, Mitsubishi, or Chigo, and purchase from trusted retailers such as Gome or Suning. These companies offer better warranty, customer service, and installation quality. A reliable brand ensures peace of mind and better long-term performance. By following these tips, you can make an informed decision when buying an air conditioner, ensuring comfort, efficiency, and value for money.We are a leading manufacturer of IR touch frames and Infrared Touch Screen overlays in China. Our IR touch screen frames are designed for high precision, easy integration, and wide compatibility across various display sizes. Each touch screen overlay kit uses advanced infrared sensing technology to detect finger, stylus, or gloved touch with high responsiveness and accuracy.
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