In addition to the food price increases that have continued since September 2021, electricity bills in December will be increased by all major companies. The price increase of the entire electric power and gas company has been for four consecutive months, and the electricity bill of many electric power companies has reached the highest level in the last five years. As we enter the winter when heating operations are in full swing, we are worried about how much the utility bill will increase this year.

Panasonic Corporation (https://www.panasonic.com/jp/home.html) is investigating the actual power saving of air conditioners in winter, as well as "keeping on" and "frequent operation" when going out for 30 minutes while heating the air conditioner. We verified the difference in power consumption of "Erase operation" based on our own experimental results. Let's see how we can save electricity.

A series of rising living expenses hit the wallet at home ...

After September 2021, when asked "Do you feel the burden of price increases?" About the price increases that continue in real life such as coffee, flour, margarine, Japanese and Western confectionery, and electricity bills, about 70% (70.9%) ) Answered "yes" and found that various price increases were hitting the wallet at home.

As the winter season comes, you will be worried about raising the utility bill.

How many people who use air conditioners in winter are trying to save electricity?

In a survey of the actual situation of power saving in winter air conditioners, 52.7% answered "yes" to the question "Are you conscious of power saving in winter air conditioners?", And it was found that the majority are conscious of power saving. Did.

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The things that are actually practiced with power saving in mind are "lower the set temperature" (70.7%), "wear heavy clothes" (46.9%), and "be careful about how often the switch is turned on and off". (32.8%) is the TOP3.

Looking at the results of the questionnaire, I found that each of you was conscious of saving electricity.

Which is the method of using the air conditioner, "keep it on" or "turn it off frequently"?

A more detailed survey of the "frequency of turning the switch on and off", which is practiced by many people as a power saving method for air conditioners in winter, shows that "keeping on" is 56%, but "frequently turns it off". It turned out that the percentage of "sects" was 44%, and the percentage of "sects left on" was slightly higher.

In fact, you're wondering which one can save your electricity bill.

Which is better for heating the air conditioner, "keep it on" or "turn it off diligently"?

Mr. Fuko Fukuda, Panasonic's air meister, explained about the power saving technique of the air conditioner in winter.

* According to Panasonic research. Simulation results with an indoor temperature of 24 ° C, a heating temperature setting of 24 ° C, and an electricity bill of 27 yen / kWh * The actual electricity bill will vary depending on usage conditions such as the heat insulation performance of the house and the installation environment of the air conditioner.

***

We have found that it may be more efficient to "turn off the air conditioner frequently" in winter. I think it depends on the conditions of use, but it may be a good opportunity to review the use of the air conditioner at home.

■ Outline of "2021 Price Increases and Winter Air Conditioner Power Saving Survey" ● Survey area: Nationwide ● Survey period: November 1, 2021 ● Survey method: Internet survey (cooperation: Justsystem) ● Survey target: 20s to 60s Men and women ● Valid answers: 550 (male: 275, female: 275)