Most people don't know much about HVAC systems. Unless the system cannot work normally, ordinary building occupants will not consider how the space absorbs air from the outside and cools or heats it to a suitable temperature to maintain comfort. They didn't think how the outdoor air of 100 degrees Fahrenheit and 80% relative humidity in Houston in summer or the outdoor air of 5 degrees Fahrenheit and 50% humidity in Milwaukee in winter could be converted into comfortable air in the building, regardless of the season. They may not have thought about what happens to the air that everyone exhales, adding warmth and moisture to the space, and changing the humidity level. The building is very closed, but not completely closed. Moreover, because the windows of most office buildings in the United States are closed, you can't always ventilate the building. You must also get the air out of the building. This is the difference between you and ordinary building occupants. You do - or will - think about these things. You will know that a successful air distribution system is multifaceted. All this is to control humidity, provide sufficient ventilation to meet the specifications, improve the air quality and ensure the thermal comfort of the occupants once the air enters the room. This is an important task. Unfortunately, not all aspects are under your control. Before deeply understanding the details of air movement, any good engineer must understand and consider several conditions that make the space comfortable when designing the system. Some of them may be obvious - air and radiation temperature, air speed and humidity - while others may be less obvious, such as the metabolic rate and clothing of building occupants. The latter is beyond your control. The good news is that we have provided the skills and skills needed to design a successful system.

Do you know that when you are in a building, the door is really hard to open, or the door mysteriously opens from inside? Although this may seem like a poor door design, these phenomena can usually be attributed to a poorly designed HVAC system and the negative or positive internal pressure it generates. Although many buildings face these problems, it is not necessary. We know you can do better. To help you achieve this goal, we will tell you a small story about how the air usually enters and exits ordinary office buildings. The incoming air is the external air, also known as ventilation air or fresh air. Outdoor air enters the building through hvac air diffuser , air louver, air grille, leading to the air processor. Although we may think that this air is "fresh" because it comes from outside, this is not always the case according to the location of the air inlet and the quality of the surrounding air. If the air inlet is close to the exhaust port or other pollution sources, it may endanger the cleanliness of the air.