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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 3.5 kW · cooling and heating

Johnson DENALI35K

A+++

Uses less electricity than 75% of the 3,067 split air conditioners, 3 kW on the EU register. At your selected price (European Union) that is €41 a year, €411 over ten years.

Cooling, SEER
8.5
Typical 6.5
Heating, SCOP
4.6
Typical 4.1
Cooling cost
€41 / year
+€224 if you also heat with it (average climate)

In the most efficient quarter of its group: 21 % below the typical 184 kWh. Class A+++ is the best class any model in this group reaches. Heating efficiency (SCOP 4.6) is above the typical 4.1 of its group. Of 2 Johnson models in this group, it is the most efficient.

Where it stands

Rank 590 of 3,067 split air conditioners, 3 kW by yearly consumption. 589 use less.

Median 184 This model · 145 0 450 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+++ Andersen Electric MAT PRO 12 145 kWh same
  2. A+++ Corbero CAST12 145 kWh same
  3. A+++ Johnson DENALI35K 145 kWh
  4. A+++ Sinclair SOM-12BIG 145 kWh same
  5. A+++ Polar SIEH0035SDE / SO1H0035SDE 145 kWh same
See the full ranking

What it will cost you

Period DENALI35K NF-ST30CR Difference
1 year €41 €1 −€40
5 years €205 €4 −€201
10 years €411 €8 −€402
15 years €616 €13 −€603

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 145 kWh / yr
Heating, average climate 791 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 6.0 729
Average (e.g. Strasbourg) 4.6 791
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+++ Johnson DENALI35K (this model)
3.5 kW8.5 145 — —
3.0 kW50.0 3 €40 €402
3.0 kW9.3 102 €12 €122
3.0 kW8.8 103 €12 €119
3.0 kW8.8 103 €12 €119
3.0 kW9.0 112 €9 €93

Label and product sheet

Energy class cooling / heating
A+++ / A++
SEER
8.5
SCOP warmer / average / colder
6.0 / 4.6 / –
Cooling design load
3.5 kW
Heating design load (average)
2.6 kW
Yearly cooling
145 kWh
Yearly heating (average climate)
791 kWh
Sound power indoor / outdoor
56 / 62 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Johnson under one model number.

DENALI35K

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

Questions

How much does the Johnson DENALI35K cost to run?

At one cooling season as on the label it uses about 145 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €41 a year, or €411 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 8.5 and SCOP 4.6 in the average climate: higher is better.