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A++

Bosch B1ZAI1840W/B1ZAO1840W

Air conditioner · model B1ZAI1840W/B1ZAO1840W · 5 model numbers · on the market since 24 April 2017

Estimated running cost, EU average price
€82 a year
290 kWh/year · €821 over 10 years at today’s prices
−€5a 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€35€345
Austria0.326€95€945
Belgium0.358€104€1,037
Bosnia and Herzegovina0.1€29€289
Bulgaria0.134€39€389
Croatia0.182€53€527
Cyprus0.269€78€780
Czechia0.288€84€836
Denmark0.238€69€689
Estonia0.212€61€614
Finland0.269€78€781
France0.249€72€721
Georgia0.073€21€212
Germany0.362€105€1,049
Greece0.24€70€696
Hungary0.114€33€330
Iceland0.202€59€586
Ireland0.387€112€1,123
Italy0.314€91€911
Kosovo0.087€25€252
Latvia0.242€70€700
Liechtenstein0.299€87€867
Lithuania0.216€63€627
Luxembourg0.202€59€587
Malta0.127€37€368
Moldova0.187€54€543
Montenegro0.104€30€301
Netherlands0.244€71€708
North Macedonia0.117€34€339
Norway0.199€58€578
Poland0.3€87€870
Portugal0.237€69€686
Romania0.284€82€822
Serbia0.12€35€347
Slovakia0.199€58€576
Slovenia0.212€61€614
Spain0.251€73€728
Sweden0.306€89€888
Türkiye0.066€19€191

How it compares

Compared with 4,451 air conditioners, 5.1–7 kW on the EU register:

1,406 comparable models use less energy. The typical model in this group uses 309 kWh a year; most use between 218 and 405. See the full ranking.

Energy label values

Energy efficiency classA++ on the APP–E scale
Functioncooling and heating
Cooling capacity5.3 kW
Heating capacity3.9 kW
SEER (cooling)6.4
SCOP (heating, average climate)4
Annual cooling consumption290 kWh
Annual heating consumption (average climate)1,365 kWh
Heating classAP
Indoor noise58 dB(A)
Outdoor noise64 dB(A)
RefrigerantR32
Refrigerant GWP675

Lifespan & repair

Registration history

Model numbers on this page

These 5 model numbers are registered by Bosch with identical energy label values, dimensions and installation type (usually colour or market variants).

B1ZAI1840W/B1ZAO1840WB1ZAI1850W/B1ZAO1850W873168955087341503917731200451

Comparable air conditioners from other brands

  1. A++
    Invest Living MSA-18
    5.3 kW · SEER 6.4 · 290 kWh/yr
    €82/year
  2. A++
    Beko BEVCA 180/BEVCA 181 8868543200/8868533200
    5.1 kW · SEER 6.1 · 290 kWh/yr
    €82/year
  3. A++
    Andersen Electric Apollo 18000
    5.3 kW · SEER 6.4 · 290 kWh/yr
    €82/year
  4. A++
    Equation MSABDU-18HRFN1-QRD0GW(B)
    5.3 kW · SEER 6.4 · 290 kWh/yr
    €82/year
  5. A++
    Mobika EL-CLSAURIR32-052-2
    5.3 kW · SEER 6.4 · 290 kWh/yr
    €82/year
  6. A++
    Vulcano 7731200466
    5.3 kW · SEER 6.4 · 290 kWh/yr
    €82/year

Source: EU energy label register (EPREL), registration 89077, 95183, 155577, 155590, 1336676. Values are as declared by the supplier. YearlyCost is not affiliated with the European Commission or Bosch.