In the face ofA 900 m² open-plan office space presents a challenging "math problem" for owners when selecting air conditioning systems, far from being a simple "match the area with the capacity." This directly impacts the comfort and health of employees, the stable operation of the equipment, and the long-term energy efficiency costs of the enterprise.
Key Factors Affecting Refrigeration Capacity
Accurate estimations must be tailored to your office's specific circumstances. In addition to the area, the following points are primarily to be considered:
Staffing and Equipment: The higher the staff density and the more heat-generating devices such as computers, printers, and servers, the greater the cooling capacity required.
2. Building Structure: Glass curtain walls or large areas of west-facing windows can introduce significant solar radiation heat, which may necessitate increasing the load index to over 400W/m². Excessive floor heights (above 3 meters) will also increase the volume of the air conditioning space.
3. Room Functionality: If the office includes a meeting room, due to its high population density and heat generation, the cooling capacity requirement per square meter may exceed 300W/m².
4. Ventilation Requirements: To ensure indoor air quality, it is necessary to introduce fresh outdoor air; however, this will increase the air conditioning load.
For900-square-meter office space, featuring two main system solutions:
1. Multi-split Central Air Conditioning (VRF System): This is the most common choice. It consists of one or more outdoor units connected to multiple indoor units (such as ducted, concealed, or wall-mounted units). Its advantages include independent control, flexibility, and energy efficiency, making it suitable for office areas requiring zonal and time-based usage.
2. Central Air Conditioning for Water Systems: Typically suited for larger-scale buildings or those with a high demand for comfort. The system operates more stably, but the initial investment and installation complexity are relatively higher.
Please provide the Chinese content to be translated. 180 to 220 W (inclusive of personnel, lighting, computers, etc. for heat generation), total cooling demand is approximately:
900 ㎡ × (180~220) W/㎡ ≈ 162~198 kW
1 HP ≈ 2.5 kW Cooling Capacity → Equivalent to 65-80 HP




