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Due to the renewable energy market expansion, large cooling systems have become very common in the market, and as a result, the electricity consumption within those complexes has also increased. To this end, more and more shopping centers and individuals are investing in HVAC systems design.
The air cooling system design principles are based on understanding the thermal balance and humidity of the air inside the room. At the same time, the heat coming from the street, as well as the thermal energy already inside the complex, is taken into account.
External thermal effect, represented by the following factors:
Its loss depends on the temperature difference between the air inside and outside the room. Depending on the season, flow changes its direction. In winter, the heat flow is directed outwards, in summer – inwards.
In summer, this additional load must be eliminated by devices such as chillers. In winter, it is included in the total calculation of space heating or cooling.
Energy sources that release heat in a room are typically:
People
Lighting
Office Supplies (Computers, Photocopiers)
In summer, heat from internal sources must be eliminated, in winter this must be taken into account when planning the expected load on the electric power system.
The criteria are determined based on the customers requirements and the building structure.
The main ones are:
Determined by the building features, how easy or difficult the installation will be.
What operating conditions are expected and how will they be implemented?
Temperature indices, humidity levels, and air circulation
Varies by country, city and building
How much does it cost to deliver the chiller + install it
As a rule, chillers are installed in order to clean and ventilate the environment in addition to the building main ventilation. Therefore, the design of HVAC systems must necessarily take into account the integration with any existing ventilation system (Of course, assuming one exists). Consider the main recommendations and criteria for designing ventilation systems
When designing room cooling systems,, it is necessary to keep in mind the project energy efficiency. If possible, the chillers should be adapted to modern energy conservation trends. By energy planning you can achieve a reduction in energy consumption costs.