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Qian

Qian QMF-TNF21-01

  • Monitors
  • 21″
  • Full HD
  • LCD / LED

Running cost

€13.02 per year

€130 over 10 years

EU average, 6 h a day

Uses 47% more energy than the average for 21-inch monitors on Wattabill (113 models).

Running cost at a glance

  • €13.02 per year
  • €130 over 10 years
  • 46 kWh per year
  • 9.7 kg CO₂e per year from electricity use
This model
Average for 21-inch monitors (113)

Your country and usage

6 h a day
  • Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

We assume prices stay the same over the years.

Same size and resolution, cheaper to run

Models on the market with the same screen size and resolution as the Qian QMF-TNF21-01 that use at least 5% less energy.

Compare them side by side

Specifications

BrandQian
ModelQMF-TNF21-01
Energy classB
Screen size21″ (54.6 cm)
Power in on mode (SDR)21 W
Standby0.5 W
Networked standby0.5 W
Off mode0.5 W
Resolution1920 × 1080
Aspect ratio16:9
PanelLED LCD
Refresh rate75 Hz
Power supplyExternal
Guaranteed support3 years
Software updates3 years
Spare parts available5 years
On the market sinceSeptember 1, 2026
EPREL registration number2836734

Source: EPREL, European Commission. Data updated October 13, 2026.