Qian QMF-TNF21-01
- Power, SDR
- 21.0 W
- Typical 8 W
- Running cost
- €9 / year
- 4 h a day
Only 25% of comparable models have a better class than B. On-mode power in SDR is 21.0 W; the typical screen of this size draws 7.9 W. It is the only Qian model in this group. Registered in Sept 2026, one of the newer models in its group.
What it will cost you
| Period | QMF-TNF21-01 | 320G01,220T01,215T01,238T01,270G01 | Difference |
|---|---|---|---|
| 1 year | €9 | €2 | −€7 |
| 5 years | €43 | €8 | −€35 |
| 10 years | €87 | €17 | −€70 |
| 15 years | €130 | €25 | −€105 |
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 | 15 | €4 |
| 4 hours a day | 31 | €9 |
| 8 hours a day | 61 | €17 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| Qian QMF-TNF21-01 (this model) | 31 | — |
| 6 | €7 | |
| 7 | €7 | |
| 7 | €7 | |
| 7 | €7 | |
| 7 | €7 |
Label and product sheet
- Energy class SDR / HDR
- B / –
- On-mode power SDR
- 21.0 W
- Standby / networked standby
- 0.5 W / 0.5 W
- Screen diagonal
- 21″
- Resolution
- 1920×1080
- Panel
- LED LCD
- Refresh rate
- 75 Hz
- Software updates (minimum)
- 3 years
- Guarantee (supplier)
- 3 years
- Spare parts (minimum)
- 5 years
Model numbers and history
Registered by Qian under one model number.
QMF-TNF21-01
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the Qian QMF-TNF21-01 cost to run?
At 4 hours a day it uses about 31 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €9 a year, or €87 over ten years.