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A++

Ariston PENTA 121 NEVIS NET_UA1-I 9+9+9+18

Air conditioner · model PENTA 121 NEVIS NET_UA1-I 9+9+9+18 · on the market since 1 January 2026

Estimated running cost, EU average price
€282 a year
997 kWh/year · €2,824 over 10 years at today’s prices
+€142a year vs the average comparable model

Annual cooling consumption as declared on the EU energy label (standard cooling season). Prices: Eurostat household electricity prices incl. taxes, 2026 (Jan–Jun), consumption band 2,500–4,999 kWh.

Running cost in every country (39)
Country€/kWhPer year10 years
Albania0.119€119€1,186
Austria0.326€325€3,250
Belgium0.358€356€3,564
Bosnia and Herzegovina0.1€99€992
Bulgaria0.134€134€1,337
Croatia0.182€181€1,811
Cyprus0.269€268€2,680
Czechia0.288€288€2,875
Denmark0.238€237€2,368
Estonia0.212€211€2,112
Finland0.269€269€2,686
France0.249€248€2,478
Georgia0.073€73€729
Germany0.362€361€3,607
Greece0.24€239€2,394
Hungary0.114€114€1,136
Iceland0.202€201€2,013
Ireland0.387€386€3,859
Italy0.314€313€3,133
Kosovo0.087€87€866
Latvia0.242€241€2,408
Liechtenstein0.299€298€2,979
Lithuania0.216€216€2,156
Luxembourg0.202€202€2,017
Malta0.127€126€1,264
Moldova0.187€187€1,866
Montenegro0.104€104€1,036
Netherlands0.244€243€2,433
North Macedonia0.117€116€1,164
Norway0.199€199€1,987
Poland0.3€299€2,990
Portugal0.237€236€2,360
Romania0.284€283€2,827
Serbia0.12€119€1,193
Slovakia0.199€198€1,979
Slovenia0.212€211€2,112
Spain0.251€250€2,501
Sweden0.306€305€3,053
Türkiye0.066€66€655

How it compares

Compared with 5,637 air conditioners, over 7 kW on the EU register:

5,417 comparable models use less energy. The typical model in this group uses 495 kWh a year; most use between 359 and 810. See the full ranking.

Same size, lower running cost

Models in the same group (air conditioners, over 7 kW) that are still on the market and use at least 10% less energy, with the yearly saving at the EU average price.

  1. A++
    ARGO GREENSTYLE DUAL 9+12
    41 kW · SEER 6.1 · 233 kWh/yr
    −€216/year
  2. A++
    Midea ALYA-18IU - MOX500-18OU
    53 kW · SEER 7 · 265 kWh/yr
    −€207/year
  3. A++
    electriQ IQOOL-4MS12K12K12K12K
    12.2 kW · SEER 6.1 · 294 kWh/yr
    −€199/year
  4. A+
    −€192/year
  5. A++
    GREE GWH24AFEXF-K6DNA4I
    71 kW · SEER 7 · 355 kWh/yr
    −€182/year

Compare side by side: PENTA 121 NEVIS NET_UA1-I 9+9+9+18 vs GREENSTYLE DUAL 9+12 · PENTA 121 NEVIS NET_UA1-I 9+9+9+18 vs ALYA-18IU - MOX500-18OU · PENTA 121 NEVIS NET_UA1-I 9+9+9+18 vs IQOOL-4MS12K12K12K12K

See the full ranking → · Buying guide: air conditioners

Energy label values

Energy efficiency classA++ on the A+++–D scale
Functioncooling and heating
Cooling capacity12.1 kW
Heating capacity9.4 kW
SEER (cooling)7.3
SCOP (heating, average climate)3.9
Annual cooling consumption997 kWh
Annual heating consumption (average climate)3,368 kWh
Heating classA
Indoor noise58 dB(A)
Outdoor noise69 dB(A)
RefrigerantR32
Refrigerant GWP675

Lifespan & repair

Registration history

Other Ariston models: air conditioners, over 7 kW

  1. A++
    Ariston DUC R32 070 UA1-I/MUC R32 070 MMA1-O
    7.1 kW · SEER 6.8 · 370 kWh/yr
    €105/year
  2. A++
    Ariston PENTA 121 NEVIS NET_UA1-I 9+9+9
    8 kW · SEER 7.4 · 375 kWh/yr
    €106/year
  3. A++
    Ariston PENTA 121 NEVIS NET_UA1-I 9+18
    8 kW · SEER 7.3 · 382 kWh/yr
    €108/year
  4. A++
    Ariston (3x) KIOS 25 UD6-I TRIAL 80 XD0C-O
    7.8 kW · SEER 7.1 · 385 kWh/yr
    €109/year
  5. A++
    Ariston QUAD 110 NEVIS NET_UA1-I 9+9+9
    7.9 kW · SEER 7 · 398 kWh/yr
    €113/year
All Ariston air conditioners →

Comparable air conditioners from other brands

  1. A++
    ELCO PENTA 121 RIGEON PRO_IDU 9+9+9+18
    12.1 kW · SEER 7.3 · 997 kWh/yr
    €282/year
  2. A
    Hitachi RAM-90NP5E - RAK-25RXE - RAK-25RXE
    10 kW · SEER 10 · 1,000 kWh/yr
    €283/year
  3. A
    Hitachi DATA
    10 kW · SEER 10 · 1,000 kWh/yr
    €283/year
  4. A+
    Fisher FSKIF-601AE0/FSOIF-602AE0-3F
    16 kW · SEER 5.6 · 1,000 kWh/yr
    €283/year
  5. A+
    Inventor V4MCI-60/U4MRT-60
    16 kW · SEER 5.6 · 1,000 kWh/yr
    €283/year
  6. A++
    ELCO PENTA 121 RIGEON PRO_IDU 9+9+12+24
    12.2 kW · SEER 7.4 · 994 kWh/yr
    €282/year

Source: EU energy label register (EPREL), registration 2577758. Values are as declared by the supplier. YearlyCost is not affiliated with the European Commission or Ariston.