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Preair: An Expert of Dehumidifier

Zhejiang Preair Electrical Appliance Industry Co., Ltd. is an innovative enterprise that takes scientific and technological innovation as its own responsibility, focuses on humidity management, and provides customers with professional system solutions in the field of humidity control. In 1999, th... Read More

Do Dehumidifiers Help with Water Damage?

The restoration process of water damage Water damage restoration is the process of restoring a property to its pre-loss condition after it has suffered damage from water. This can be caused by various sources such as flooding, burst pipes, or leaks from appliances. The restoration process involve... Read More

What is a Dehumidifier Good For?

A dehumidifier is an appliance designed to reduce the level of humidity in a room or building. High humidity can cause discomfort, musty smells, and even mold growth, making a dehumidifier a useful tool for maintaining a healthy living environment.   How does a dehumidifier work? A dehumidifier w... Read More

Necessity of Using Dehumidifiers in the Greenhouse

Using dehumidifiers in the greenhouse Greenhouses, which can transmit light and heat (or heat), are applied to cultivate plants. In a season that is not good for plant growth, the greenhouse can provide a growth period and increase yield for crops. It is mainly used for the cultivation or seedlin... Read More

How to Extend the Lifespan of the Dehumidifier?

Nowadays, more and more professional dehumidifiers are used in various industrial fields to protect production and storage, especially in workshops, warehouses, and other environments with humidity requirements. In daily life, more and more household dehumidifiers appear. Especially during the ra... Read More

Preair Participated in the 2023 AHR EXPO

2023 AHR EXPO Held in the Georgia World Congress Center, USA The Air-Conditioning Heating Refrigeration Exposition (AHR EXPO) is the largest, most important, and most influential and professional exhibition in refrigeration, HVAC, and pump valve products in the United States. The International Ex... Read More

Adjustment and Maintenance of Thermal Expansion Valve

The thermal expansion valve controls the opening of the expansion valve through the superheat of the gaseous refrigerant at the evaporator outlet, so it is widely used in the non-full liquid evaporator. According to the different balance methods, the thermal expansion valve can be divided into in... Read More

Introduction to Wet Air and Psychrometric Diagram

In addition to dry air, the air also contains water vapor. We usually call the mixture of dry air and water vapor wet air (air for short). The content of water vapor in the wet air is minimal. It comes from the evaporation of water on the surface of oceans, rivers, and lakes, and the physiologica... Read More

Air Compressor: An Important Component of Dehumidifier

The humidity of the air changes with the change in the air state. When the air is compressed, its temperature rises and the relative humidity decreases. When the compressed air expands and the temperature of the air decreases its relative humidity increases, and there will usually be water precip... Read More
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