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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.3 kW · cooling and heating

Vaillant VAI5-050WN

A++

Uses less electricity than 57% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €69 a year, €691 over ten years.

Cooling, SEER
7.6
Typical 6.8
Heating, SCOP
4.1
Typical 4.1
Cooling cost
€69 / year
+€435 if you also heat with it (average climate)

Near the middle of its group: 4 % below the typical 254 kWh. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.1) is above the typical 4.1 of its group. Vaillant has 16 models in this group; this one is number 5 among them. On the register since 2019 and still on sale.

Where it stands

Rank 2,112 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 2,111 use less.

Median 254 This model · 244 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Sinclair ASH-18BIS/B 244 kWh same
  2. A++ Saunier Duval SDH20-050NW 244 kWh same
  3. A++ Vaillant VAI5-050WN 244 kWh
  4. A++ Inventor N2VI32-18WiFi/N2VO32-18 244 kWh same
  5. A++ Toyotomi TKN-656R32/TKG-656R32 244 kWh same
See the full ranking

What it will cost you

Period VAI5-050WN LEP35Xi R16 / LOP35Xo R16 Difference
1 year €69 €37 −€32
5 years €346 €185 −€160
10 years €691 €371 −€320
15 years €1,037 €556 −€480

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 244 kWh / yr
Heating, average climate 1,537 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) — 1,238
Average (e.g. Strasbourg) 4.1 1,537
Colder (e.g. Helsinki) 3.4 3,953

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++ Vaillant VAI5-050WN (this model)
5.3 kW7.6 244 — —
5.1 kW9.4 131 €32 €320
5.3 kW7.0 132 €32 €317
5.3 kW7.0 132 €32 €317
5.8 kW2.5 151 €26 €263
5.8 kW2.5 151 €26 €263

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
7.6
SCOP warmer / average / colder
– / 4.1 / 3.4
Cooling design load
5.3 kW
Heating design load (average)
4.5 kW
Yearly cooling
244 kWh
Yearly heating (average climate)
1,537 kWh
Sound power indoor / outdoor
58 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Vaillant under one model number.

VAI5-050WN

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

Questions

How much does the Vaillant VAI5-050WN cost to run?

At one cooling season as on the label it uses about 244 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €69 a year, or €691 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 7.6 and SCOP 4.1 in the average climate: higher is better.