即將踏入夏天，好多人都會選擇換一換早已殘舊的冷氣機。除了價錢實惠和涼爽之外，電費亦是不少家庭換冷氣機時的關注事項。市面上冷氣機、冷暖空調機款式眾多，到底要如何選擇一部適合需求，又可以慳多少少電的款式亦是一門學問。以下就有4個小貼士，大家選購時可作參考。
1. 匹數
匹數可以房間面積決定，基本上50-70呎的房間只需要用3/4匹，80-100呎是1匹、110-150呎是1匹半、160-200呎是2匹。
2. 頻式
市面上冷氣機多數分為變頻式及傳統定頻式。變頻式冷氣機可自動調節温度，不需要長期高速運轉、或經常一開一閂用過多電。
3. 能源標籤
能源標籤中，一級是最高能源效益，五級最低。而同樣標示為最高一級能源標籤的冷氣機，慳電程度未必相同。大家可於購買時比較耗電量、製冷量、送風量。
4. 時間調節
大家未必需要長時間開冷氣，如選擇有時間掣的型號就可以節省不必要用電。
資料來源：中電
圖片來源：Pexels、能源標籤網
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