Impact of Environmental Temperature on Air Conditioning and Refrigeration Equipment
Jun 29, 2023
The main function of air conditioning and refrigeration equipment is to absorb heat from the indoor environment and discharge it to the outdoor environment in order to lower the indoor temperature. However, changes in environmental temperature can affect the cooling effect and efficiency of the air conditioning equipment.
1. Cooling Effect: The higher the environmental temperature, the poorer the cooling effect of the air conditioning equipment on the indoor air. This is because the air conditioning equipment needs to transfer heat to the outdoor environment, and higher environmental temperatures increase the difficulty of heat transfer. Therefore, in high-temperature environments, air conditioning equipment may take longer to reach the desired indoor temperature.
2. Energy Efficiency Ratio: Environmental temperature also has an important impact on the energy efficiency ratio of air conditioning equipment. The energy efficiency ratio is the ratio of energy consumed by the air conditioning equipment during the cooling process to its cooling effect. Generally, as the environmental temperature rises, the energy efficiency ratio of the air conditioning equipment decreases. This means that in high-temperature environments, air conditioning equipment needs to consume more energy to achieve the same cooling effect, resulting in increased energy consumption and operating costs.
3. Power Consumption: The increase in environmental temperature also leads to an increase in the power consumption of air conditioning equipment. In order to maintain a comfortable indoor temperature in high-temperature environments, air conditioning equipment needs to operate and work more frequently. This results in greater energy consumption and increased electricity bills for homes or offices.
4. Equipment Lifespan: High environmental temperatures can also have a negative impact on the lifespan of air conditioning equipment. Prolonged operation in high-temperature environments can lead to increased wear and tear on equipment components, increased risk of failures, and a reduction in equipment lifespan.
Therefore, in order to achieve optimal cooling effects and energy efficiency ratios, as well as extend the lifespan of air conditioning equipment, it is recommended to pay attention to the environmental temperature when using air conditioning and avoid excessively high temperatures. Additionally, regular maintenance and cleaning of air conditioning equipment are essential to ensure its proper functioning and high efficiency.
Environmental Temperature Requirements for Outdoor Units:
1. Minimum Environmental Temperature: Outdoor units usually have a minimum operating temperature limit, which is the lowest environmental temperature at which the equipment can operate properly. Below this temperature, certain components may be damaged or unable to function properly. Generally, the minimum environmental temperature requirement is clearly stated in the equipment specifications.
2. Maximum Environmental Temperature: Outdoor units also have a maximum operating temperature limit, which is the highest environmental temperature at which the equipment can operate normally. When the temperature exceeds this limit, the cooling effect and efficiency of the equipment may decrease, and it may even lead to overheating and damage to the equipment. The maximum environmental temperature requirement should also be specified in the equipment specifications.
3. Temperature Range: Additionally, some equipment may specify a recommended operating temperature range to ensure optimal performance and effectiveness of the equipment. This range can cover the temperature interval between the minimum and maximum environmental temperatures.
When purchasing and installing outdoor units, it is advisable to refer to the technical specifications and recommendations provided by the manufacturer to ensure that the environmental temperature meets the requirements of the outdoor unit. This will ensure the normal operation and high efficiency of the equipment, and prolong its lifespan.
Requirements for Indoor Air Conditioning Temperature:
1. Summer Cooling Mode: During the summer, people generally prefer a cool and comfortable indoor temperature. It is recommended to set the indoor air conditioning temperature around 23-26°C (73-78°F), which is typically considered a comfortable indoor temperature range. Depending on personal preferences and climate conditions, you can make slight adjustments to the temperature to meet your needs.
2. Winter Heating Mode: During the winter, people typically prefer a warmer indoor temperature. It is recommended to set the indoor heating temperature around 20-22°C (68-72°F), which can provide a comfortable indoor warmth. Similarly, you can make minor adjustments based on personal preferences.
It is important to note that individual perceptions of indoor temperature may vary and can be influenced by factors such as humidity and air circulation. Therefore, ensuring that the indoor temperature provides a comfortable environment while adhering to energy-saving principles is important to reduce energy consumption and costs.
Additionally, for public spaces such as offices, commercial establishments, or public buildings, there are usually regulations and guidelines in place to determine the temperature range for indoor air conditioning, ensuring the comfort and well-being of employees and users. These regulations may vary by region and country, so it is recommended to consult local building codes or industry standards.








