EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Portable air conditioners · 3.5 kW · cooling and heating

ONE Clima ONEULTRA12/Y24

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
3.5
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 best class any model in this group reaches, and only 0% of them do. Of 2 ONE Clima models in this group, it is the most efficient.

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++ Daewoo PNY12M2WR50 350 kWh same
  2. A Midea Mobile Eco 35 HP 350 kWh same
  3. A+++ ONE Clima ONEULTRA12/Y24 350 kWh
  4. A Dimplex DPAC901 350 kWh same
  5. A++ Be COOL BC12INKL2401FW 350 kWh same
See the full ranking

What it will cost you

Period ONEULTRA12/Y24 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+++ ONE Clima ONEULTRA12/Y24 (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
3.5
Cooling design load
3.5 kW
Sound power indoor / outdoor
53 / 63 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by ONE Clima under one model number.

ONEULTRA12/Y24

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

Questions

How much does the ONE Clima ONEULTRA12/Y24 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.