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Understanding CADR: What It Means And How It Affects Your Air Purifier

Views: 100     Author: Site Editor     Publish Time: 2023-09-14      Origin: Site


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When choosing an air cleaner, one of the most essential features is its CADR rating. But What exactly does CADR mean on an air purifier?

What is CADR? CADR Definition:

CADR, means the Clean Air Delivery Rate, is a measure of an air purifier's ability to clean the air in a room. The Association of Home Appliance Manufacturers (AHAM) uses a standard measurement to evaluate and compare the effectiveness of The AHAM Clean Air Delivery Rate (CADR) measures the volume of filtered air delivered by an air purifier. It is a reliable metric for comparing the efficiency of different air purifiers. 

What is a Good CADR Rating?

The CADR rating is determined by testing a given appliance under specific laboratory conditions, measuring the amount of clean air being delivered over time. A higher CADR indicates improved performance and greater ability to filter airborne particles, smoke, pollen, dust, and other contaminants. Consumers can use this rating as a guide when selecting an air purifier that meets their individual needs. 

How does it work?

CADR is calculated by testing an air purifier's ability to remove three common pollutants: smoke, pollen, and dust. An air purifier's CADR Rating determines its ability to swiftly eliminate bothersome airborne particles such as dust, pollen, and smoke. The higher the CADR rating, the quicker and more effective the air purifier is. For example, an air purifier with a CADR rating of 300 for smoke can eliminate 300 cubic feet of smoke per minute from the air.Such as Airdog X3 with the CADR 200 m³/h,Airdog X5 with the CADR 350 m³/h. If you want to eliminate quickier,you can choose X5.

It should be noted that CADR ratings are solely relevant to the three pollutants specified earlier. To eliminate additional pollutants like pet dander, mold, or volatile organic compounds (VOCs), it is necessary to examine the air purifier's specifications or conduct research to determine its effectiveness against them.

How to calculate cadr for air purifier:

Different sizes and types of air cleaners will have different CADR: When choosing an air cleaner, it’s recommended to choose one with a CADR rating that’s at least two-thirds the size of the room you intend to place it in. For example, if you have a large living room that’s around 400 square feet, you should look for an air purifier with a CADR rating of at least 267.

In addition to CADR, you should also consider other factors such as the type of filter used, the noise level, and the maintenance required. 

What variables in a home can affect an air purifier's CADR rating?

Various variables in a home can impact the CADR (Clean Air Delivery Rate) rating of an air purifier. One such factor is the presence of drafts or dampness within the living environment. To ensure optimal performance, it is advised to keep windows and doors tightly shut while the air purifier is in operation. If there are noticeable gaps beneath doors or between windows, using foam tubing specifically designed to prevent drafts from infiltrating through these cracks is recommended.

What should be considered when choosing an air purifier for removing large pollutants?

When selecting an air purifier to effectively eliminate large pollutants such as dust mites and allergens associated with cockroaches, it is essential to consider the device's CADR (Clean Air Delivery Rate) ratings. Opt for an air purifier that is suitable for the size of your room and has appropriate CADR ratings, ensuring efficient removal of these large pollutants.

CADR is an important factor to consider when choosing an air purifier. When searching for an air purifier, prioritize models with elevated CADR ratings for smoke, pollen, and dust. Additionally, take into account the room's dimensions, filter classification, and upkeep demands to guarantee that you select the optimal air purifier for your specific requirements.

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