MSZ-LN50VG vs MSZ-AY50VGK: 5 kW for a large space
| MSZ-LN50VG | MSZ-AY50VGK | |
| Outdoor unit | MUZ-LN50VGHZ | MUZ-AY50VGH-SC |
| Heating capacity | 6 kW (1.8–8.7) | 5.5 kW |
| Cooling capacity | 5 kW (1.4–5.8) | 5 kW |
| SCOP | 4.6 | 4.6 |
| SEER | 7.6 | 7.5 |
| Energy class, heating | A++ | A++ |
| Energy class, cooling | A++ | A++ |
| Indoor unit noise | 25 / 47 dB(A) | 28 / 48 dB(A) |
| Outdoor unit noise | 54 / 51 dB(A) | 52 / 52 dB(A) |
| Heats down to (manufacturer data) | -35 °C | -25 °C |
| Refrigerant | R32 | R32 |
| Max. pipe length | 30 m | 20 m |
| Indoor unit weight | 15.5 kg | 10.5 kg |
The 5 kW class is intended for large living rooms, open-plan spaces or small commercial premises. Both have a nominal cooling capacity of 5 kW; nominal heating is 6 kW (LN) and 5.5 kW (AY). Indoor sound: LN 25–47 dB(A), AY 28–48 dB(A) – the LN is quieter across the range.
In a large space, air distribution matters as much as capacity: one wall unit does not always reach a far corner. Sometimes two smaller units or a Multi Split system are more rational. We assess this from the plan and window orientation.
| Parameter | MSZ-LN50VG | MSZ-AY50VGK |
|---|---|---|
| Nominal cooling capacity | 5 kW | 5 kW |
| Nominal heating capacity | 6 kW | 5.5 kW |
| Maximum heating capacity | 8.7 kW | On request |
| SCOP | 4.6 | 4.6 |
| SEER | 7.6 | 7.5 |
| Energy class (heating / cooling) | A++ / A++ | A++ / A++ |
| Indoor unit sound level | 25–47 dB(A) | 28–48 dB(A) |
| Outdoor unit sound level | 54 / 51 dB(A) | 52 / 52 dB(A) |
| Heating down to (manufacturer data) | −35 °C | −25 °C |
| Pipe length (per unit, up to) | 30 m | 20 m |
| Refrigerant | R32 | R32 |
Seasonal ratings, outdoor sound level and refrigerant refer to the outdoor unit of the set: MSZ-LN50VG + MUZ-LN50VGHZ, MSZ-AY50VGK + MUZ-AY50VGH-SC.
Data taken from our catalogue (manufacturer technical data). The specific model for your room is selected and confirmed by an EKO2ŠILUMA specialist after assessing heating and cooling demand and installation conditions.


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