Is it advisable to open the door when using an exhaust fan? Energy-saving tips

A range hood is a useful assistant in keeping your kitchen well-ventilated and clean. However, should you open the door when using a range hood, and what are some tips to help save electricity?

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When preparing , we usually open the window for better air circulation and to prevent food odor from spreading to other areas. However, the range hood will take care of this role, and we will still have the habit of opening the window, should we do this or not. Let’s find out in the following article.

1 Should you open the window when using a range hood?

When using a range hood, it is not recommended to open the kitchen door or window as it affects the hood’s performance. For example, the air pushes smoke and food odor out of the house instead of focusing on the hood, resulting in a decrease in its operating efficiency.

Additionally, opening the window will cause surfaces in the kitchen such as walls, stove, utensils, and the range hood to accumulate food odor and grease, making it more difficult to clean.

Should you open the window when using a range hood?Should you open the window when using a range hood?

However, you should not close all doors and only turn on the range hood as smoke and food odor will create a pressure zone that reduces the range hood’s productivity and affects your health.

Therefore, during cooking, you should open about 1/4 of the kitchen door to maintain air circulation, reduce excessive outside air, and help the range hood work more efficiently. Furthermore, after cooking, you should turn off the range hood and open all kitchen doors to reduce poor air quality in the kitchen.

2 Tips for energy-saving usage

Choose the appropriate product

Choose the appropriate productChoose the appropriate product

When selecting a range hood, it is important to consider your kitchen space. If the kitchen space is small and narrow, the range hood should have a capacity of 1,000 m3/h or more. Moreover, curved glass or straight glass range hoods will be the most suitable choice.

Adequate research

Adequate researchAdequate research

To avoid wasting time and money, you should purchase a range hood with the appropriate capacity and functions according to your usage needs. Furthermore, after learning about the product information, you can install and use it correctly, as well as know the best way to maintain and ensure the longevity of the range hood’s performance.

Turn on and off the range hood correctly

Turn on and off the range hood correctlyTurn on and off the range hood correctly

After cooking, you should turn off the range hood after a few minutes to avoid wasting electricity. At the same time, you should cover the light elements of the range hood to prevent damage from excessive heat and avoid using large flames under the range hood.

Maintenance and cleaning

Maintenance and cleaningMaintenance and cleaning

Regular maintenance and cleaning of the range hood will help it operate effectively, sensitively, and save energy. The range hood usually uses activated carbon filters that can be easily replaced, so you should replace the activated carbon filters regularly after 6 months to 1 year of use.

In addition, after 7 – 10 days, you should clean the range hood to limit the build-up of grease and food odor on the device. Remember to disconnect the power before cleaning and maintenance.

Note on power usage

Note on power usageNote on power usage

You should regularly check the power supply to ensure stable power supply and should not frequently unplug the range hood’s plug to avoid reducing its lifespan and consuming household electricity.

The above is our sharing on whether to open the window when using a range hood and some energy-saving tips. We hope you will take note of these to best preserve your range hood.

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Frequently asked questions

It is advisable to keep the door closed when using an exhaust fan. While it may be tempting to open the door for additional ventilation, doing so can actually reduce the efficiency of the exhaust fan. With the door open, the fan has to work harder to pull air out of the room, resulting in increased energy consumption. Furthermore, an open door can disrupt the airflow and prevent the fan from effectively removing odors, moisture, and contaminants from the enclosed space.

An exhaust fan works by creating a pressure differential between the room and the outdoors. When the fan is turned on, it pulls air from the room and forces it outside through a duct. This process creates negative pressure in the room, which then draws in fresh air from openings such as windows or vents. By continuously exchanging stale indoor air with fresh outdoor air, exhaust fans help improve indoor air quality and maintain a comfortable living or working environment.