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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 3.5 kW · cooling and heating

Heiko DU035-A1S/JZ035-A2

A++

Uses less electricity than 0% of the 3,067 split air conditioners, 3 kW on the EU register. At your selected price (European Union) that is €68 a year, €683 over ten years.

Cooling, SEER
6.1
Typical 6.5
Heating, SCOP
3.8
Typical 4.1
Cooling cost
€68 / year
+€404 if you also heat with it (average climate)

Uses more than most comparable models: 100 % of them need less. Kadeer Electrical NF-ST30CR, the most efficient alternative on sale, saves about €67 a year. Class A++ is the most common class in this group (67% of models). Heating efficiency (SCOP 3.8) is below the typical 4.1 of its group. Of 9 Heiko models in this group, it ranks last.

Where it stands

Rank 3,042 of 3,067 split air conditioners, 3 kW by yearly consumption. 3,041 use less.

Median 184 This model · 241 0 450 kWh ← uses less · uses more →

Next to it in the ranking

  1. A Daitsu AKD-12AFDN 240 kWh −€0.28
  2. A Worcester 8733701371 240 kWh −€0.28
  3. A++ Heiko DU035-A1S/JZ035-A2 241 kWh
  4. A++ Haier AD35S2SS1FA(H) / 1U35S2SM1FA-2 241 kWh same
  5. B Chauffage Francais Groupe Sannover Frelia 12000 BTU 245 kWh +€1.13
See the full ranking

What it will cost you

Period DU035-A1S/JZ035-A2 NF-ST30CR Difference
1 year €68 €1 −€67
5 years €341 €4 −€337
10 years €683 €8 −€674
15 years €1,024 €13 −€1,011

Is the more efficient model worth its price?

Years of use

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

Cooling and heating

Cooling season 241 kWh / yr
Heating, average climate 1,427 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.3 417
Average (e.g. Strasbourg) 3.8 1,427
Colder (e.g. Helsinki) — —

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++ Heiko DU035-A1S/JZ035-A2 (this model)
3.5 kW6.1 241 — —
3.0 kW50.0 3 €67 €674
3.0 kW9.3 102 €39 €394
3.0 kW8.8 103 €39 €391
3.0 kW8.8 103 €39 €391
3.0 kW9.0 112 €37 €365

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.1
SCOP warmer / average / colder
5.3 / 3.8 / –
Cooling design load
3.5 kW
Heating design load (average)
3.0 kW
Yearly cooling
241 kWh
Yearly heating (average climate)
1,427 kWh
Sound power indoor / outdoor
53 / 61 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Heiko under one model number.

DU035-A1S/JZ035-A2

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

Questions

How much does the Heiko DU035-A1S/JZ035-A2 cost to run?

At one cooling season as on the label it uses about 241 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €68 a year, or €683 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.1 and SCOP 3.8 in the average climate: higher is better.