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Hong Kong has extremely wet weather. Have you ever experienced this? While you were in the enclosed bathroom, just finishing your shower, but the hot air, steam, and moisture has already made you all sweaty again. While you were cooking your dinner in the kitchen, facing the steaming hot stove, your neck was already dripping in sweat. It is very common to put ventilation fan in bathroom and kitchen, but do you really know how to pick the right one? The significance of ventilation fan has always been underestimated. A well-functioning ventilation fan can circulate air and keep bringing a fresh and cool breeze to your living space.

Criteria on choosing Ventilation Fan

1. Airflow

Fans can be rated by cubic feet per minute (CFM), used to measure the amount of air that being delivered. It indicates how many cubic feet of air your fan can circulate in a minute. By measuring and referring to the room size, you can choose a suitable ventilation fan, so it can ventilate most efficiently, rather than over-ventilate or under-ventilate it.

• For bathrooms/kitchens 4 square meter or less, purchase a 50 CFM fan

• For bathrooms/kitchens 4.2 square meter to 7 square meter, purchase a 70 CFM or 80 CFM fan

• For bathrooms/kitchens 7 square meter to 9.7 square meter, purchase a 110 CFM fan

• For bathrooms/kitchens over 9.7 square meter, purchase a 150 CFM fan

2. Noise level

Noise level of ventilation fan usually units in decibels(dB). It is an important factor to consider if you particularly want a peaceful environment of the bathroom/kitchen. A ventilation fan under 20 dB is considered quiet and acceptable. A fan rated 50dB or above is considered too loud, it is not ideal in an enclosed space.

3. RPM

RPM stands for revolutions per minute, it used to measure the speed of the fan’s spins, it is one of the performance indicators. Generally, it is recommended to choose ventilation fan above 900 RPM. It is not always the best to choose a high-RPM fan. A ventilation fan with too powerful motor may create negative room pressure or overload the electrical circuit. Ventilation fan should be selected depends on the bathroom size.

4. Power consumption

Ventilation fan usually consume 5-35 watt of power. In order to keep your bathroom dry, it is much more affordable than using a dehumidifiers or heater, it has a good value of money.

Tips on choosing ventilation fan:

• Placed at a good location. It should be placed At least 2.3m distance from the floor, and 5 cm distance from the ceiling.

• Choose a shield protection ventilation fan if you have children at home.

• Remember to pick a water resistance vent fan if you are using it in bathroom, for example, a IPX4 waterproof motor.