Search Results for: high speed fan

High flow ceiling fans & High speed ceiling fans

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How ceiling fans move air? A ceiling fan is a simple electrical appliance with blades mounted on a motor which rotates the blades to push the air and create airflow. The airflow from ceiling fans is measured in Cubic Meter Per Minute (CMM). The airflow has two components, the volume of air moved and the speed at which that volume of air moves. Fan designers vary the two components to make fans suitable for different applications with the same airflow….

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Ceiling Fans: The Overlooked Appliance; Not anymore!

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Congratulations to ceiling fan users and manufacturers, that’s literally everyone in India! A red letter day for Fan Industry in India as mandatory star labelling starts from this day, 01-01-2023. It has taken exactly 10 years since India’s first super energy efficient ceiling fan, Superfan was officially sold to its first customer on 01-01-2013. We have fond memories of Mrs. Abha Shukla, IAS who was instrumental in including Versa Drives in discussions at the Bureau of Energy Efficiency (BEE). Soon…

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Are small ceiling fans effective?

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Typically, ceiling fan size ranges from 24 inches to 60 inches, the size refers to the diameter of the ceiling fan. Fans cool people by generating an airflow around them and the general principle is that the larger fans move a larger volume of air. Certain spaces like a pooja room, a small office cubicle, a cashier desk, a dressing space, a study nook, etc. require a small ceiling fan as   these spaces require confined narrow airflow spread to…

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Where 60-inch ceiling fans can be used? [Take advantage of 60-inch ceiling fan]

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There are fewer choices in 60” ceiling fans in India. This may be due to the lack of knowledge among the consumers and shops, to the need to appropriately size the fan and reap its advantages. Typically, the 48” (1200 mm) ceiling fan irrespective of its fit to the space and suffers a lack in comfort, energy and cost efficiency. In a 60” inch ceiling fan, 60” refers to the diameter of the fan including the motor. The size is…

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Why is my ceiling fan making noise?

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Ceiling fans are the primary thermal comfort appliance in India due to their simplicity, familiarity, cost-effectiveness, and efficiency (BLDC ceiling fans). Beyond these advantages, there are some drawbacks like lack of standardization, decrease in effectiveness in extremely humid conditions, and the noise from its operation.  The standardization of fans is underway now through the efforts of government agencies like BIS and BEE. Ceiling fans cannot offer comfort in humid conditions as the thermal comfort from fans depends on the surrounding…

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What determines ceiling fan airflow? [4 crucial parameters]

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The primary use of ceiling fans is to offer the desired thermal comfort by delivering sufficient airflow. There is a misconception of relating airflow to only the speed of a fan (RPM). Though, it is true that when the speed (RPM) of a fan increases by 10%, the airflow increases by 10%. Explore fan laws.  But the speed of a fan is not the only parameter that influences the airflow, and it is wrong to compare two fans by their…

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How can you use ceiling fans in winter?

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In a closed space like a room with still air, the cooler air stays at the bottom, and the warm air rises to the ceiling. This segmentation of air happens due to the difference in the densities, and this phenomenon is called stratification. This becomes a problem in winters as the much-needed warm air recedes to the ceiling leaving the space close to the floor cooler. When heating elements are used to warm the space, it requires more heat generation…

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CAN WE USE AC AND CEILING FAN TOGETHER?

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Yes! Using AC and ceiling fan together is bound to give advantages to us in power savings and eco-friendliness. Air conditioning (AC) is currently the most effective method of cooling indoor space. However, its growing global use is problematic for a variety of reasons.   Typically, a 1-ton AC consumes more than 800 W per hour. Widespread use of air conditioning puts a strain on the electricity distribution system and raises the risk of power shortages.    Through heat ejection, air conditioning contributes to the Urban…

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THERMAL ADAPTABILITY AND CEILING FANS

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Thermal adaptation is the ability of the human body to adjust to temperatures. The human body works to maintain the core body temperature at 37° celsius. The loss or gain of heat from the environment activates the thermal regulators in the body to warm or cool respectively. The thermal regulation system in our body functions intending to keep ourselves at a comfortable temperature. The core of our body passes on heat to the skin to maintain comfort during cold climates,…

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WHAT IS THE EFFECTIVENESS OF A CEILING FAN?

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The primary objective of a ceiling fan is to offer thermal comfort to the occupant. The effectiveness of a ceiling fan is the measure of its thermal comfort and its other aspects like efficiency, durability, noise limit, wellness, local influence, value, environmental impact.  Thermal comfort  The condition of people’s minds that expresses satisfaction with the thermal environment is called thermal comfort.    For many years, humans have been using fans to regulate thermal comfort. Ceiling fans regulate their occupants’ thermal comfort…

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