A few years ago, the central air-conditioning and fresh air system was only a high-end home improvement option for some villas, and it has become the first choice for most homes. However, the public's perception of its function is still quite limited, the most common is the confusion of the two concepts.
The reason for this is that the two do have a lot in common: the air outlets are concealed at the top of the room. Its core functions are related to indoor air. . . So what is the difference between the two? This article starts with the core functions and explains this problem for you.
Core function difference: temperature regulation VS fresh air exchange
In the final analysis, the central air conditioner is also a kind of air conditioner. The core function is to adjust the indoor temperature. The concept corresponds to the “split air conditioner†for one-for-one household use.
The essence of central air conditioning is still the essence of "air conditioning" two-way central air conditioning or "air conditioning"
Central air conditioning has several distinct advantages: high comfort, good energy saving and overall integrity. The central air-conditioning adopts the “one-to-many†design of one outdoor unit + multiple indoor units, which makes it easy to balance the temperature of each room in the whole house, and the product is strong overall, the installation is concealed and beautiful, and the energy saving effect is also better; for multiple rooms For large-sized users, central air conditioning is the best choice for adjusting indoor temperature.
The central air conditioning return air inlet cannot be exchanged with indoor air. The central air conditioning return air inlet cannot exchange with indoor air.
However, the function of the central air conditioner is limited to the adjustment of the indoor temperature. Although it also has a return air outlet, it cannot exchange with the indoor air. To achieve the effect of indoor and outdoor air circulation without opening the window, the intervention of the fresh air system is required.
The core function of the fresh air system is the replacement and convection of indoor and outdoor air. When opening the air conditioner, we often need to close the doors and windows. In the enclosed space, the accumulation of carbon dioxide concentration and the lack of oxygen concentration are prone to occur, and the fresh air system solves this problem. The best choice.
In fact, in most parts of Europe, the fresh air system has become the standard of housing. In 2000, the EU unified the residential ventilation standards, and the fresh air system became an inevitable choice for architecture. Compared with natural ventilation, the fresh air system has a larger amount of air exchange, and there is a row of ventilation, the airflow organization is scientific and reasonable, and the ventilation effect is better.
National fresh air system penetration rate
In addition, most of the fresh air systems on the market now have an air purification function. While realizing indoor and outdoor air circulation, it can also intercept and adsorb pollutants in the outdoor air, effectively improving indoor air quality, and killing two birds with one stone.
Through the distinction between the core functions of the two, we can see that although the central air conditioning and fresh air systems solve indoor air related problems, their core usage demands are completely different. For users, the functions of both are crucial. Important and irreplaceable.
Three common questions to confuse product selection and installation
For the choice and installation of the two, I will help you through three common questions and answers:
1 Is my home suitable for central air conditioning?
A: Central air conditioning is not suitable for all families. For users with ultra-small units (<40m2) or low floor heights (<2.6m), I do not recommend installing central air conditioners, because a 3 air conditioner cabinet is sufficient for the whole house to meet the cooling and heating needs of the whole house. The space is too depressed.
In addition, the central air-conditioning adopts embedded installation, which is generally designed and constructed in parallel with the decoration. It is necessary to drill, drill and lay the pipeline. If your home has just been renovated, there is no need to install central air-conditioning.
2 Is it necessary to install a fresh air system in the home with central air conditioning?
A: It is necessary. The central air conditioner only solves the indoor temperature regulation and does not have the function of ventilation. The fresh air system can ensure the air quality in the confined space, providing users with clean and fresh air at any time, and the purification module can provide certain air purification effects at the same time. Complement each other to ensure the comfort and health of the indoor environment.
3 Which new air system is suitable for my home?
A: The fresh air system is divided into two categories: ducted fresh air and ductless fresh air, and its applicable population also has distinct characteristics.
Like the central air conditioner, the pipeline type fresh air also needs to be designed and planned before the decoration. The installation is synchronized with the house decoration. After the installation, the air duct adopts the concealed design, which will not damage the interior decoration style; this kind of fresh air system is suitable. Users who plan to renovate or are undergoing renovations.
The installation of the ductless fresh air system is relatively simple. Simply open the air exhaust hole on the wall and fix the machine to the wall. The installation is convenient and the amount of work is small. For users who cannot install the pipeline fresh air system during the decoration, Said that it is a good compensation plan.
At this point, this article has come to an end, I hope this article can help you correctly distinguish the concept of central air conditioning and fresh air system, and provide some guidance for your product selection and installation. If you have any questions or doubts about the two, please leave a comment in the comments.
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