Knowledge behind every system

Air diffusers (Air Diffuser / Grille / Register) come in many forms. And when actually choosing, you must consider the type of work + function + air distribution pattern

INSIGHTS

Summary of how to check the 3 phase motor whether it's good or bad. Basically, like a real mechanic, easy to understand. 1️⃣ Visual check (Visual Check) The motor is burn

🌬️ What is External Static Pressure (ESP) and how important is it? 🔹 What is External Static Pressure (ESP)? ESP is the total static pressure that the fan must overcome

Steps for measuring ESP (External Static Pressure) at Fan In / Fan Out 🔹 Step 1 : Prepare equipment • Manometer / Differential Pressure Gauge • Static Pressure Probe or

No problem with no electricity at the end of the rice field! This set can handle it. The transformer is durable. Turn on the fan, watch TV, feel at ease, no worries. ​Con

Evaluation principles The cost of installing a Chiller vs VRF system is not just looking at the "price of the machine" but having to look at the entire system + building

What is District Cooling? (The system work is explained clearly and is easy to understand.) District Cooling System (DCS) is a centralized cooling system (Centralized Coo

Why "Balancing the air volume" is the most important thing in cleanroom work? In cleanroom work, balancing the air is not a small tuning job, but it is the heart of clean

Creating a positive pressure room (Positive Pressure Room) is the heart of the work of the HVAC system, especially in office buildings, hospitals, food factories, and cle

This question comes up very often in HVAC design 👷‍♂️ Round duct vs. square duct. There is no fixed answer as to what is "always better" but you have to choose one that

INSIGHTS

This is the content of "Handbook on how to choose the right blower for the job" in detail, covering basic factors to in-depth techniques. You can use it to make articles,

✔️ 1. Key Technical Differences: VRF vs Chiller (A) VRF system — Variable Refrigerant Flow Principle: Pipe refrigerant from Outdoor → Every Fan Coil (Direct Expansion) ⭐