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#에너지소비효율등급 3 posts

Choosing Refrigerator Capacity: Effective Volume vs. Grade 1

The litre figure on a Korean refrigerator is effective internal volume, and the efficiency grade is scored relative to that volume. In public filings, a 299L Grade 1 unit drew 4.9 kWh less per month than a 253L Grade 2 unit.

Home AppliancesAug 28, 20266 min

Reading a Washing Machine Energy Label: Annual Cost Math

The power and water figures on a washing machine label are per cycle. At five washes a week you multiply by 260. A 100Wh difference per cycle costs 5,580 won a year; 20 litres costs 6,396 won.

Home AppliancesAug 26, 20267 min

Air Conditioner Sizing: The 400W-per-Pyeong Rule

Air conditioners are chosen by cooling capacity in kW, not floor area. The Korean standard is 400W per pyeong, with a 1.3x correction for living rooms.

Home AppliancesJul 29, 20267 min