2023-06-22 11:58:33
Summer is so hot that not everyone can rely on a USB fan to cool off. A netizen recently received an electricity bill from May to June, saying that he had four days off a week, almost turned on the air-conditioner at home during the holidays, and also turned on the dehumidifier, but the electricity bill was only about $270, and he bluntly said it was “good value”. The Consumer Council has compared several types of split-type air conditioners and found that the power consumption of inverter models may be up to 40% lower than that of fixed-frequency models, and the difference in electricity bills may be up to 90%.
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A Hong Kong man posted a message on the Facebook group “Home Improvement Sharing Valley” a few days ago, saying that he finally received an electricity bill recently, and the money was flatter than expected. The victim pointed out that the main electrical appliances in the house were two refrigerators, an inverter split air conditioner and a dehumidifier. Due to the hot and humid weather recently, the dehumidifier is turned on non-stop every night, and it is a habit to turn on the air conditioner, so I don’t hesitate.
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The victim pointed out that during the holidays, the air conditioner is basically turned on 24 hours a day, and he is on holiday 4 days a week, and regardless of whether he is on vacation and returning to work, the air conditioner is always turned on when he sleeps at night. air conditioner,
“$273, I think the electricity bill is quite reasonable.”
The electricity bill with the air conditioner turned on is only $273
As you can see in the photos, the victim used 256 kilowatt-hours of electricity for about a month from May 18 to June 14, and the bill amounted to $273. The victim also added the habit of turning on the air conditioner, referring to setting it at 18 degrees when turning on the machine, and then raising it to 25 degrees two and a half hours later. He also pointed out that the electricity bill of $273 is not considered the most affordable, and he said that if it is combined with inverter refrigerators and washing machines, it is expected to further reduce the electricity bill. Many netizens agreed that the victim’s electricity bill was very low, and even questioned the authenticity of the reading, saying that the monthly electricity bill would cost about $500 without turning on the air conditioner, bluntly saying “it must be possible”.
Some netizens pointed out that the electricity bill is affected by many factors, including the size of the home, the age of the electrical appliance, whether it has frequency conversion function, etc. At the same time, some people think that the electricity bill of the victim is about $270 or the government electricity subsidy has been deducted, and the actual electricity bill should be higher.
According to the Consumer Council’s test, inverter air conditioners can save up to 40% of electricity
Inverter-type air conditioners are more energy-efficient because they run at high speeds after they are started. When the room temperature is adjusted to be close to the preset temperature, they will automatically lower the speeds to operate, so it can save more power. The Consumer Council tested 14 models of “1 HP” split machines earlier, including variable-frequency and fixed-frequency models, and found that the variable-frequency type can save about 40% of the annual electricity consumption compared with the fixed-frequency type, and the difference in electricity bills can be as high as 9% become. Therefore, although the price of variable frequency air conditioners is 15 to 20% more expensive than that of fixed frequency air conditioners, the power consumption is lower. The electricity bill saved after 2 to 3 years of use is enough to make up for the difference.
It is more energy-saving to go out for less than 2 hours without turning off the power
In addition to adopting the inverter model, the air conditioner may also be more energy-saving than when the air conditioner is turned on and off. The Japanese TV program “そもそも総研” (Somosomo Souken) tested the air conditioner for 24 hours, and found that the power consumption will be at a high level when the air conditioner is first turned on, and then gradually decreases with the room temperature. According to the analysis of power consumption by experts, the program calculates that if the original room temperature is around 31 degrees, and the time when the air conditioner is turned off due to going out is within 5 hours and 27 minutes, it is actually more energy-saving to let the air conditioner be turned on.
Regarding the long-time operation of the air conditioner, Xu Xiqiang, the director of the Hong Kong Air Conditioning and Refrigeration Workers Union, said in an interview with “Sky Post” that if the air conditioner is of the inverter type and the shutdown time is 2 hours or less, it may be more energy-saving to not turn it off. However, he emphasized that letting the air conditioner be turned on for a long time may cause strain on the air conditioner components, which may not be beneficial in the long run.
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