Check the Efficiency Grade Label on a Washing Machine Before You Buy

What do you match before comparing grades?

Decide the wash capacity and wash type you need first. A 21kg drum machine and a 19kg standard machine differ both in capacity and in how they are used. From the grade number alone, it is hard to say one candidate uses less electricity in every home. If you start by asking whether it covers the capacity you need and whether the door swing fits your installation spot, the candidates shrink.

The Korea Energy Agency's drum washing machine list shows wash capacity (kg), energy consumption per wash cycle (Wh), and efficiency grade. The standard washing machine list can also be looked up separately. The F21WDLPR's drum list values I checked on October 8, 2026 are 21kg, 253.5Wh, and grade 1, and the T19MX7's standard list values are 19kg, 95.2Wh, and grade 2. They are registered values for different types and capacities, so these two figures alone can't tell you which handles the same laundry with less electricity.

How do capacity and type differ?

This table was matched on October 8, 2026 using the official LG Electronics pages and the Korea Energy Agency list. Check the current selling price at the purchase link. The grades shown by the manufacturer matched the agency's registered values above for both candidates. A model with extra letters after T19MX7 is a separate candidate, so look up the model that matches through the last letters.

Does a washing machine with higher power consumption in W use that much electricity every time?

No. Power consumption is in W, while the energy per wash cycle in the agency list is in Wh, so the units differ to begin with. You must not read the F21WDLPR's 2,100W as a single wash costing 2.1kWh, because the wash time and operating state are missing. The agency's 253.5Wh is 0.2535kWh, but it is a registered test value, so it isn't the actual use for every course either.

So in the candidate table I wrote the power consumption in W as it is, and kept the per-cycle energy separate as a separate list value. Separating the intensity while it draws power from the amount used in one cycle reduces the mix-up of comparing numbers in different units. The time basis also differs from the monthly kWh in how to read a refrigerator's monthly power consumption.

Which one fits your installation spot?

The F21WDLPR's manufacturer specs say the depth with the door open is 1,360mm. If you only measure the 770mm body depth and don't leave the passage in front clear, there may not be enough room to open the door, so check both the body and the open depth. This value is a product spec, so it doesn't stand in for the whole of the carrying route, plumbing, and spare installation space.

The T19MX7 is a top-opening standard machine, 632mm wide and 670mm deep. It is useful when looking for a candidate with a narrow body, but don't decide it fits under a shelf from the 1,040mm height alone. The room to open the lid is something to check separately in the model's installation guide. If the capacity you need and the door-open space don't fit, then even if you like the grade, it isn't a candidate for that spot.