EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 24″ · 1920×1080 · LCD

Aopen 24KG3Y M3

E

Uses less electricity than 59% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €8 a year, €75 over ten years.

Power, SDR
18.2 W
Typical 21 W
Running cost
€8 / year
4 h a day

Near the middle of its group: 11 % below the typical 30 kWh. Class E is the most common class in this group (49% of models). On-mode power in SDR is 18.2 W; the typical screen of this size draws 20.5 W. Aopen has 33 models in this group; this one is number 17 among them.

Where it stands

Rank 1,949 of 4,819 monitors, 24–31″ by yearly consumption. 1,948 use less.

Median 30 This model · 27 5 115 kWh ← uses less · uses more →

Next to it in the ranking

  1. E Z Z-Edge UG24PJ-white 27 kWh same
  2. E BenQ BL2786TC 27 kWh same
  3. E Aopen 24KG3Y M3 27 kWh
  4. E ViewSonic VS18815(VA2715-h) 27 kWh same
  5. E ViewSonic VS18815(VA2715-MH) 27 kWh same
See the full ranking

What it will cost you

Period 24KG3Y M3 WF238V Difference
1 year €8 €2 −€6
5 years €38 €8 −€29
10 years €75 €16 −€59
15 years €113 €25 −€88

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 13 €4
4 hours a day 27 €8
8 hours a day 53 €15

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model SizeSDR W kWh / yr Saves / year in 10 years
E Aopen 24KG3Y M3 (this model)
24″18.2 27 — —
24″4.0 6 €6 €59
24″4.5 7 €6 €57
24″4.5 7 €6 €57
24″4.5 7 €6 €57
24″5.0 7 €5 €55

Label and product sheet

Energy class SDR / HDR
E / –
On-mode power SDR
18.2 W
Standby / networked standby
0.5 W
Screen diagonal
24″
Resolution
1920×1080
Panel
LCD
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
2 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Aopen under one model number.

24KG3Y M3

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the Aopen 24KG3Y M3 cost to run?

At 4 hours a day it uses about 27 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €8 a year, or €75 over ten years.