Indoor air quality (IAQ) is measured with humidity meters and temperature andCO₂ sensors to ensure standards for human comfort indoors. Although human comfort depends on an interaction of multiple variables, optimizing relative humidity, temperature and CO₂ by measuring indoor air quality (IAQ) satisfies the comfort requirements for a wider variety of occupants than optimizing only temperature.
Cooling tower is an important equipment for central air conditioning system to dissipate heat outward. Once there is a problem, even the refrigeration unit and heat pump effect is better, the refrigeration effect of the system is not good. Generally speaking, the cooling tower performance will be reduced. These are the factors that affecting the performance of a cooling tower. The details are as follows:
65% BUILDING ENERGY DIGUNAKAN UNTUK VENTILATING & AIR CONDITIONING. Kenyataan tersebut membuat pengelola gedung dituntut untuk melakukan terobosan terobosan teknis untuk menurunkan biaya Opeasional dari Perangkat Air Conditioning. Hal yang menyebabkan kita ABAI unutk melakukan penghematan energy di VAC adalah:
HVAC Optimization in a full scale typically reduces energy usage and costs by 20 to 40 and a really enery efficiant model will make use of all available energy. Some method like Supercooling can manage the HVAC Systems electricity and able to reduce the energy usage by up to 25%.
This heat rejection is accomplished through the natural process of evaporation that takes place when air and water is brought into direct contact in the cooling tower. The evaporation is most efficient when the maximum water surface area is exposed to the maximum flow of air in the longest possible period of time. Cooling towers are designed in two different configurations, CounterFlow and CrossFlow. The specific configuration indicates the direction of the air flow in relation to the water flow.
For over a century scientists have known that certain frequencies of light have a devastating effect on microbial life. We now know that exposure to ultraviolet light in the range of 254 NM (UV-C band) disrupts the DNA of micro-organisms thus preventing them from reproducing, thereby effectively killing them.
Real-world energy savings obtainable from load vs. lift Variable speed drives (VSDs) can cut a chiller’s annual energy use by up to 30 percent while maintaining operating reliably over a wide range of condition. This is accomplished in two ways:
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