EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Electric ovens · 71 L

Hotpoint-Ariston HAO3 K78PSU1F X

A++

Uses less electricity than 51% of the 11,173 electric ovens, 70 L and over on the EU register. At your selected price (European Union) that is €21 a year, €207 over ten years.

Per use, fan
0.73 kWh
Typical 0.72 kWh
Running cost
€21 / year
100 uses a year
Per use, conventional
0.52 kWh

Near the middle of its group: 8 % below the typical 79 kWh. Class A++ is the best class any model in this group reaches, and only 9% of them do. Hotpoint-Ariston has 108 models in this group; this one is number 52 among them. Hotpoint-Ariston sells the same label values under other model names: HAO3 K78PSUF X, HAO3 K78PU X, HAO 478PSU1 X and 3 more.

Where it stands

Rank 5,326 of 11,173 electric ovens, 70 L and over by yearly consumption. 5,325 use less.

Median 79 This model · 73 45 275 kWh ← uses less · uses more →

Next to it in the ranking

  1. A Gaggenau GO221130 73 kWh same
  2. A++ Hotpoint-Ariston HAO 278P X 73 kWh same
  3. A++ Hotpoint-Ariston HAO3 K78PSU1F X 73 kWh
  4. A++ Hotpoint-Ariston HAO3 K78PSUF X 73 kWh same
  5. A++ Hotpoint-Ariston HAO3 K78PU X 73 kWh same
See the full ranking

What it will cost you

Period HAO3 K78PSU1F X NB09PV17S Difference
1 year €21 €13 −€8
5 years €103 €65 −€38
10 years €207 €130 −€76
15 years €310 €195 −€115

Is the more efficient model worth its price?

Years of use

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

Fan or conventional heating

Conventional 0.52 kWh
Fan forced 0.73 kWh

Cost by how often you bake

Use kWh / yr € / yr
1× a week 38 €11
2× a week 76 €22
4× a week 152 €43

Same size, lower running cost

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

Model VolumeFan kWh kWh / yr Saves / year in 10 years
A++ Hotpoint-Ariston HAO3 K78PSU1F X (this model)
71 L0.73 73 — —
72 L0.46 46 €8 €76
81 L0.48 48 €7 €71
72 L0.48 48 €7 €71
81 L0.49 49 €7 €68
81 L0.49 49 €7 €68

Label and product sheet

Energy class
A++ (scale A+++–D)
Energy per cycle, conventional
0.52 kWh
Energy per cycle, fan forced
0.73 kWh
Usable volume
71 L
Energy efficiency index
61.0
Cavities
1

Model numbers and history

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

HAO3 K78PSU1F X · HAO3 K78PSU1Z B

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

Questions

How much does the Hotpoint-Ariston HAO3 K78PSU1F X cost to run?

At 100 uses a year with fan it uses about 73 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €21 a year, or €207 over ten years.