▲ The cleaning capabilities of the 20 wireless vacuum cleaners vary greatly, and Xiaomi Dyson is the worst performer. (iStock image)
The Consumer Council tested 20 models of cordless upright vacuum cleaners with different designs and found that the samples of “Xiaomi” Mijia Lite and “Dyson” Omni-glide had poor cleaning ability, and the battery life and suction power maintenance performance of the samples were also quite different It is recommended that users understand the specifications and performance of different models before purchasing, and then choose a vacuum cleaner that suits their needs.
Disparity in suction capacity
The test mainly evaluates the suction efficiency of each sample. The overall performance of the samples on the floor, carpet and hand-held use is mixed, and the scores range from 1 point to 4.5 points. “Miele” Triflex HX2 (#1), “Dyson ” (#2 and #4) and “LG” (#3) scored higher overall with a score of 4.5 points, but “Xiaomi” Mijia Lite (#20) did not perform well in cleaning floors and carpets, so An overall rating of only 1 point.
In terms of suction head efficiency, the test is divided into two evaluations: the effective dust collection width and the dust suction ability at the edge of the wall. As a result, “Miele” (#1 and #6) and “Dyson” V15 Detect Absolute (#4) performed better, scoring 4.5 points. “Bosch” Flexxo Gen2 (#15) and “Dyson” Omni-glide (#19) performed poorly on the suction ability and effective suction width at the edge of the wall, and only scored 1.5 points and 2 points.
When cleaning the floor, 7 models scored 4 points or above, but “Electrolux” (#17) and “Xiaomi” Mijia Lite (#20) did not perform well, scoring 2 points each and 1 point rating.
In terms of the performance of absorbent carpets, 10 samples scored 4 points or above, which is satisfactory, but the performance of “Dyson” V8 Slim Fluffy, Omni-glide (#14 and #19) and “Xiaomi” Mijia Lite (#20) The performance is relatively poor, with only a score of 2 points or below.
When used in the hand, it was found that the overall ability of the samples to absorb paper shreds was better than that of corn flakes. 12 samples received an excellent score of 4.5 points or above, but “Anker” (#18) and “Dyson” Omnirglide (#19) And “Xiaomi” Mijia Lite (#20) did not perform well in absorbing corn flakes, and had only a low score of 2 points, which limited the overall cleaning ability score.
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The use time can vary by 4 times
The test compares the usage time of the samples after they are fully charged (that is, battery life) and the maintenance of suction power during use. The measured usage time of each sample ranged from about 6 minutes to 29.5 minutes, and “Philips” (#5 and #10) performed better, with a measured usage time of more than 28 minutes, scoring 4 points, and “Dyson” (#2, #4, #14 and #19), “LG” (#3), “Tefal” (#8 and #9) and “Anker” (#18) all measured less than 10 minutes may not meet the actual needs, so only 1.5 points.
The overall level of tranquility is not ideal
Testing and measuring the quietness of vacuum cleaners，It was found that the overall performance of the sample was not ideal. The sound pressure level measured at a distance of 1.6 meters from the fuselage ranged from about 65 decibels to 76 decibels, which was about the same as the sound waves from ordinary conversations to busy city traffic. The scores ranged from 1.5 points to 3 points , with “Dyson”, “LG”, “Dreame” and “Anker” scoring the lowest.
The “Dyson” manufacturer stated that the test report of the Consumer Council did not clearly indicate what settings or tools consumers should use when cleaning their homes, and believed that testing the soft nap roller nozzles of V8 Slim and Omni-glide on carpets does not represent vacuuming It is recommended to use high torque suction head or smart electric suction head for better performance. It also believes that the test results that only show the strongest or maximum suction mode may mislead consumers, and believes that it will be more fair and more informative to help consumers evaluate the cleaning status of using the corresponding mode on different floors.
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