EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Portable air conditioners · 3.5 kW · cooling and heating

Inventor M3GHP290-12

A

Uses less electricity than 95% of the 848 portable air conditioners, 3 kW on the EU register. At your selected price (European Union) that is €99 a year, €991 over ten years.

EER
2.6
Running cost
€99 / year
350 cooling hours
Per hour
€0.28
1.00 kWh

Only 4 of 848 portable air conditioners, 3 kW do better. Class A is the most common class in this group (92% of models). Of 4 Inventor models in this group, it is the most efficient. On the register since 2022 and still on sale.

Where it stands

Rank 5 of 848 portable air conditioners, 3 kW by yearly consumption. 4 use less.

Median 455 This model · 350 250 750 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+ Klarstein 10040189 350 kWh same
  2. A+ Klarstein 10040190 350 kWh same
  3. A Inventor M3GHP290-12 350 kWh
  4. A De'Longhi PAC EX120 SILENT 350 kWh same
  5. A De'Longhi PAC EX124ECO SILENT 350 kWh same
See the full ranking

What it will cost you

Period M3GHP290-12 HAAC-36 Difference
1 year €99 €79 −€20
5 years €496 €396 −€99
10 years €991 €793 −€198
15 years €1,487 €1,189 −€297

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model CoolingSEER kWh / yr Saves / year in 10 years
A Inventor M3GHP290-12 (this model)
3.5 kW— 350 — —
3.5 kW— 280 €20 €198
3.0 kW— 315 €10 €99
3.5 kW— 315 €10 €99
3.2 kW— 315 €10 €99

Label and product sheet

Energy class cooling / heating
A / A+
EER
2.6
Cooling design load
3.5 kW
Sound power indoor / outdoor
64 / – dB(A)
Refrigerant
R290 (GWP 3)

Model numbers and history

2 model numbers are registered by Inventor with identical label values (usually colour or market variants). Searching any of them leads here.

M3GHP290-12 · M3GHP290-12BS

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the Inventor M3GHP290-12 cost to run?

At 350 cooling hours a year it uses about 350 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €99 a year, or €991 over ten years.