The answer is no, it cannot!! Air conditioners are of two types: one is a common refrigeration and heating air conditioner, accounting for more than 95%, and the other is a ventilation air conditioner, which has a larger power and a relatively high Price. Although it has a certain ventilation function, it does not have the function of balancing pressure.

With the development and progress of the times, modern residences are vastly different from traditional ones, especially the airtightness of doors and windows. With the development of technology, their airtightness and sound insulation are constantly improving, becoming increasingly tight. Most households are equipped with range hoods and bathroom exhaust fans. When using the above equipment, due to the good sealing of the room, negative pressure will be generated, and the imbalance of indoor and outdoor air pressure will cause sewer odors to back up, and doors and windows may deform and become difficult to open under negative pressure. Long-term negative pressure can harm the human body, causing tinnitus, palpitations, and memory loss, especially for the elderly and children. Intermittent negative pressure is particularly harmful to health.
Qianjia pressure ventilation system thoroughly solves the problem of indoor negative pressure, making people's homes warmer and more comfortable. The system automatically senses negative pressure, requires no manual operation, and can automatically balance the internal and external pressure difference. It has two modes: winter and summer. In winter, it automatically tests the temperature of the incoming air and heats and filters it if there is a temperature difference. It is sensitive (20Pa), quiet, energy-efficient, and features full computer intelligent management, using high-quality materials and modern technology.

Because the construction of buildings did not consider the ventilation function, current buildings have centralized water supply and drainage, and smoke ducts for centralized smoke exhaust. Every household is equipped with range hoods and bathroom exhaust fans, and their power is increasing. Currently, the power of range hoods from brands such as Boss and Fotile on the market has reached 1000Pa, and the Meida bottom exhaust is even greater. As the airtightness of doors and windows gradually improves, the indoor and outdoor isolation also becomes better. Therefore, when doors and windows are closed (especially in the spring, autumn, and winter seasons in the north and summer in the south), the moment the range hood is turned on, negative pressure is immediately generated. Due to the principle of atmospheric pressure, indoor and outdoor air pressure needs to be balanced. With good airtightness of doors and windows, it is difficult for gas to enter through the gaps, or only a small amount can enter. Sustained negative pressure can only draw air from the sewer pipes. Since all building sewer pipes are interconnected and connected to outdoor drainage wells, a large amount of gas enters the room to compensate for the negative pressure through this unique high-flow channel. This not only brings odors but also spreads bacteria and viruses. At the beginning of the year, there were cases in Wuhan where the virus spread in a concentrated isolation area, even though residents did not leave their homes. Experts analyzed that this was caused by backflow of air from the sewer pipes, which is essentially caused by negative pressure. This is because when the range hood is working while cooking at home, negative pressure is generated indoors, allowing viruses to enter the room from the sewer pipes, causing the spread of the virus.

This is a common problem in current residential buildings. When the range hood or exhaust fan is turned on, it creates negative pressure in the room. Under the action of atmospheric pressure, the indoor and outdoor air pressure is balanced, and the air drawn out by the range hood and exhaust fan is forcibly supplemented. Due to the strong sealing performance of doors and windows, it is difficult for air to enter through gaps, and can only enter through the sewer pipes, causing indoor odors and small flying insects to fly into the room. Although there are existing deodorizing floor drains, their effect is limited and only addresses the symptoms, not the root cause. Our Qianjia brand ventilation constant pressure machine solves the negative pressure problem at its source and solves the problem of sewer pipe backflow.

The Ministry of Civil Affairs' authoritative release states that nearly 1,500 people die from gas poisoning and other accidents in China each year. The risk is particularly high in homes that use gas stoves for heating, especially during showers. Poor ventilation and high levels of carbon monoxide are the leading causes of asphyxiation deaths from gas leaks.
Qianjia brand ventilation pressure balancing fans have a sensitive gas leak alarm function. Once a leak is detected, the system will quickly ventilate and sound an alarm to prevent personnel and property loss.
Qianjia brand ventilation pressure balancing fans can solve all of the above problems. They balance pressure, filter and heat incoming air with automatic temperature control, and can also be used as an independent heater. Operation is simple and convenient.

Constantly alternating between negative pressure and normal environments can affect lung function, reduce blood oxygen levels, causing hypoxia and impacting brain activity. Furthermore, if the pressure difference is too great and the alternation frequent, various organs will experience reduced function due to pressure changes, significantly impacting overall health.
With the upgrades of doors and windows, and the popularization of range hoods and ventilation systems, when doors and windows are sealed and range hoods or ventilation systems are activated, the enclosed space may momentarily experience negative pressure (pressure lower than the atmospheric pressure outside), leading to symptoms such as tinnitus, palpitations, dizziness, strange odors, and difficulty opening doors and windows. More seriously, intermittent negative pressure can cause irreversible damage to brain cells, particularly memory cells.
The solution has arrived: the Qianjia brand ventilation pressure regulator, a nationally patented product with fully automatic computer control and automatic temperature and pressure regulation, effectively eliminates the harmful effects of negative pressure on daily life, and is dedicated to creating a new quality of home life.

First, understand that standard atmospheric pressure is 760 mm mercury column, approximately equivalent to 10030 Pascals (Pa). When atmospheric pressure inequality occurs in the same environment, negative pressure is generated. This is mainly manifested as an inequality between the pressure in an enclosed space and the outdoor atmospheric pressure. For example, if a kitchen range hood and exhaust fan are installed indoors, and when they operate, air is exhausted outdoors without timely replenishment, negative pressure is generated.
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