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In the HVAC (Heating, Ventilation, and Air Conditioning) industry, the term FCU is widely used to refer to Fan Coil Unit. FCUs play a critical role in temperature control and air circulation within residential, commercial, and industrial buildings. Understanding the meaning, function, and benefits of FCUs in HVAC systems is essential for engineers, contractors, and […]

In the process of choosing a fresh air system, one major decision for consumers and professionals alike is whether to opt for a centralized return air ventilation system or an independent return air system. While we’ve discussed the differences between the two in previous articles, let’s dive into how to optimize a centralized return system

Expansion valves play a crucial role in regulating refrigerant flow in central air conditioning and refrigeration systems. Their proper operation ensures that the cooling capacity matches the required evaporation temperature of the system. Issues with expansion valve flow, whether excessive or insufficient, can significantly impact the HVAC system’s overall performance. Let’s discuss how to diagnose

Regarding the question of whether the fresh air system and central air conditioning(AC) are redundant or complementary, we will answer them separately: 1. Are they redundant or complementary? 2. Is it necessary to install the fresh air system and central air conditioning at the same time? 1.Different functions First of all, it can be determined

Introduction In modern building design, HVAC systems (Heating, Ventilation, and Air Conditioning) play a crucial role. The design of HVAC ducts and air outlets directly impacts indoor comfort, air quality, and energy efficiency. A well-designed system can effectively regulate indoor temperature, ensure good air circulation, and avoid air pollution and energy waste. This article will