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Costs for 0.283 €/kWh · Eurostat 2026 H1

Comparison · Air conditioners

Mestic SPA-3100 vs Prodmax LG-P20GA

Mestic SPA-3100 uses 140 kWh less a year: €40 a year at your price, €396 over ten years.

B Mestic SPA-3100 A Prodmax LG-P20GA
Yearly consumption 140 kWh280 kWh
Cost per year €40€79
Cost over 10 years €396€793
Rank in its group 1 / 1,963229 / 1,963
Group Portable air conditioners, under 3 kWPortable air conditioners, under 3 kW
Energy class cooling / heating B / – A / –
EER 2.4 1.8
Cooling design load 0.9 kW 1.5 kW
Sound power indoor / outdoor 53 / – dB(A) 52 / 52 dB(A)
Refrigerant R290 (GWP 3) R32 (GWP 675)

If Prodmax LG-P20GA is cheaper to buy, the price gap is paid back by lower running costs only when it is smaller than the cost difference over the years you keep it. Work it out with your prices →