In the afternoon, whether in a classroom or an office, it's common to feel drowsy, unfocused, and unable to concentrate. A cup of coffee might not even help. Have you ever wondered why this "sleepy bug" hits so hard?
Well, here's a surprising thought: it might not be tiredness at all—it could be that the carbon dioxide (CO₂) levels in your environment are too high!
You might think, "Why open the window?" Especially when the weather is nice, but with the autumn and winter season approaching, the Ministry of Environmental Protection has warned that heavy pollution may arrive earlier than usual. What kind of courage would it take to open the window now?
Faced with both indoor and outdoor air quality issues, how can we protect our health? Don’t worry—Daikin’s full-effect home central air conditioning system now comes with advanced purification technology to rescue you from poor air quality.
Carbon dioxide, once seen as harmless, is now becoming a hidden threat. While the atmosphere normally contains about 0.03% COâ‚‚, when concentrations rise above normal levels, people often feel sluggish and uncomfortable.
A study by researchers from the State University of New York and the Lawrence Berkeley National Laboratory found that CO₂ exhaled by others nearby can significantly slow down cognitive performance. In one experiment, participants in a room with 2,500 ppm of CO₂ showed a 44–94% drop in decision-making ability compared to those in a room with only 600 ppm.
Long-term exposure to high COâ‚‚ levels can disrupt your body's internal clock and lead to symptoms like fatigue and low energy. In offices or classrooms without good ventilation, COâ‚‚ levels can easily exceed 3,000 ppm, which explains why people often feel sleepy in such environments.
And it's not just COâ‚‚. In autumn and winter, smog and PM2.5 particles can sneak into homes through windows and gaps. These pollutants mix with the COâ‚‚ already indoors, making the air even worse. When your body and mood aren't in sync, how can you stay productive?
So, what's the solution? It's no longer just about opening windows. With outdoor air quality being unreliable, the focus is now on bringing in clean, fresh air efficiently and safely.
Fresh air systems can be either natural or mechanical. While opening windows is the most straightforward method, it's often limited by outdoor conditions. That’s where mechanical ventilation comes in—using fans and ducts to exchange indoor and outdoor air effectively.
From the four key factors of comfort—temperature, humidity, airflow, and cleanliness—researchers have been working to understand and improve indoor air quality. Daikin has integrated these insights into its home central air conditioning systems, offering a smart solution for maintaining clean air in enclosed spaces.
Daikin’s intelligent 3D airflow ducted air purifier works with the central air conditioning system to provide a dedicated fresh air purification solution for individual rooms. You can enjoy the cool air from your AC while breathing in clean, healthy air.
The continuous fresh air function ensures that the air in your room is fully replaced every hour. During transitional seasons, you can control the fresh air feature independently to avoid discomfort from outside air.
Daikin’s specialized filters for NO₂, SO₂, and PM2.5 use adsorption and electrostatic trapping to remove harmful substances from both indoor and outdoor air, tackling both internal and external air quality challenges.
What’s more, this new purification system built into Daikin’s full-effect home central air conditioning system has a powerful circulation rate—3 to 6 times faster than regular air purifiers. Within 30 minutes of turning on the fresh air function, the indoor PM2.5 level can reach national first-class standards, creating an environment as clean and healthy as a nature reserve.
Imagine sitting at home, breathing in the crisp air of a forest, surrounded by the scent of pine trees and fresh water. Even if you're navigating through smog-filled cities, coming home should mean returning to a place of peace and clarity.
All it takes is a smart, high-performance air conditioning system. With Daikin, your home can become a sanctuary of clean, fresh air—no matter what the outside air brings.
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