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電費差5倍!開冷氣「2秘訣」超省電 老師傅證實:可爽吹24小時

ETtoday
2024/05/10 | 2分鐘閱讀

記者朱祖儀/綜合報導

天氣越來越熱,已有不少人開冷氣消暑,但要怎麼使用才省錢?一名住在台灣的日本人松野高志,先前到冷氣工廠當一日學徒,向老師傅請教冷氣相關知識。對方透露,買冷氣最好選擇一級能效的變頻冷氣,且使用時不要開開關關,否則重新啟動很耗電,只要選對且用對了,和五級能效的冷氣電費就會差到5倍。

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松野高志在節目《台灣好吃驚》到冷氣工廠當一日學徒,向工作經驗達26年的冷氣師傅King哥請教冷氣知識。他好奇問,現在的冷氣有除濕、除臭、清淨等多項功能,好奇越多功能越好嗎?King哥認為其實不然,因為如果消費者不會使用這些功能,不慎操作錯誤導致機板當機,反而需要頻頻維修。

image

King哥也介紹,現在最流行的款式是變頻冷氣,因為其壓縮機會隨即設定的溫度去調整,不會忽冷忽熱,且建議一定要選擇一級能效的變頻冷氣,用電量比較少,舊式的冷氣通常是五級能效,就會比較耗電。

至於兩者電費會差多少?King哥解釋,台灣都是2個月算一次電費,如果是一噸的冷氣在房間裡面吹24小時,2個月都不間斷,大約是1000多元;反觀以前五級能效的冷氣,以相同條件吹2個月、24小時都不關,費用就可能飆到5、6千元。

King哥也提醒,如果要長時間吹冷氣,開開關關反而耗電,因為壓縮機啟動需要的電流很高,一來一往耗電量就會飆升,所以建議使用變頻冷氣時可以將溫度設定在26度,然後就不要關了,「這樣才能恆溫,反而才省電」。

事實上,先前台電粉專「台電電力粉絲團」也曾說明,每開一次冷氣,壓縮機運轉耗電量就是1.3度,所以如果開關間隔時間不長,建議中途可以改為送風模式或調高溫度,切勿開開關關反而耗能。另外也可以選擇變頻冷氣,將溫度設在26至28度再搭配電扇使用,可以更加省電。

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