EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 3.5 kW · cooling and heating

Naitec SM35HXXK

A++

Uses less electricity than 16% of the 3,067 split air conditioners, 3 kW on the EU register. At your selected price (European Union) that is €56 a year, €561 over ten years.

Cooling, SEER
6.2
Typical 6.5
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€56 / year
+€266 if you also heat with it (average climate)

Uses more than most comparable models: 84 % of them need less. Kadeer Electrical NF-ST30CR, the most efficient alternative on sale, saves about €55 a year. Class A++ is the most common class in this group (67% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. Naitec has 5 models in this group; this one is number 4 among them.

Where it stands

Rank 2,429 of 3,067 split air conditioners, 3 kW by yearly consumption. 2,428 use less.

Median 184 This model · 198 0 450 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Toyotomi OTN-12QINV/OTG-12QINV 198 kWh same
  2. A++ Skyluxe SKY-S035ECOR32 198 kWh same
  3. A++ Naitec SM35HXXK 198 kWh
  4. A++ Arielli ASW-H12B4/JNR3DI--EU (WI-FI) 198 kWh same
  5. A++ ARGO X-PRO 35 198 kWh same
See the full ranking

What it will cost you

Period SM35HXXK NF-ST30CR Difference
1 year €56 €1 −€55
5 years €280 €4 −€276
10 years €561 €8 −€552
15 years €841 €13 −€828

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 198 kWh / yr
Heating, average climate 938 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.2 914
Average (e.g. Strasbourg) 4.0 938
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++ Naitec SM35HXXK (this model)
3.5 kW6.2 198 — —
3.0 kW50.0 3 €55 €552
3.0 kW9.3 102 €27 €272
3.0 kW8.8 103 €27 €269
3.0 kW8.8 103 €27 €269
3.0 kW9.0 112 €24 €244

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.2
SCOP warmer / average / colder
5.2 / 4.0 / –
Cooling design load
3.5 kW
Heating design load (average)
2.7 kW
Yearly cooling
198 kWh
Yearly heating (average climate)
938 kWh
Sound power indoor / outdoor
53 / 62 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

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

SM35HXXK · SM35HXXK-B

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

Questions

How much does the Naitec SM35HXXK cost to run?

At one cooling season as on the label it uses about 198 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €56 a year, or €561 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.2 and SCOP 4.0 in the average climate: higher is better.