EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Portable air conditioners · 3.5 kW · cooling and heating

Warmtec KM35W

A

Uses less electricity than 0% of the 848 portable air conditioners, 3 kW on the EU register. At your selected price (European Union) that is €198 a year, €1,982 over ten years.

EER
2.6
Running cost
€198 / year
350 cooling hours
Per hour
€1
2.00 kWh

Uses more than most comparable models: 100 % of them need less. Hello Air HAAC-36, the most efficient alternative on sale, saves about €119 a year. Class A is the most common class in this group (92% of models). Warmtec has 3 models in this group; this one is number 2 among them. Warmtec sells the same label values under other model names: Froya KP35W.

Where it stands

Rank 823 of 848 portable air conditioners, 3 kW by yearly consumption. 822 use less.

Median 455 This model · 700 250 750 kWh ← uses less · uses more →

Next to it in the ranking

  1. A Haverland TAC-1224WC 700 kWh same
  2. A Warmtec Froya KP35W 700 kWh same
  3. A Warmtec KM35W 700 kWh
  4. A Daewoo PDM812M0WR50 700 kWh same
  5. A Tecro PAC-T37l WIFI FREEZE 700 kWh same
See the full ranking

What it will cost you

Period KM35W HAAC-36 Difference
1 year €198 €79 −€119
5 years €991 €396 −€595
10 years €1,982 €793 −€1,189
15 years €2,974 €1,189 −€1,784

Is the more efficient model worth its price?

Years of use

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

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 Warmtec KM35W (this model)
3.5 kW— 700 — —
3.5 kW— 280 €119 €1,189
3.0 kW— 315 €109 €1,090
3.5 kW— 315 €109 €1,090
3.2 kW— 315 €109 €1,090
3.5 kW— 350 €99 €991

Label and product sheet

Energy class cooling / heating
A / A+
EER
2.6
Cooling design load
3.5 kW
Sound power indoor / outdoor
65 / – dB(A)
Refrigerant
R290 (GWP 3)

Model numbers and history

Registered by Warmtec under one model number.

KM35W

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

Questions

How much does the Warmtec KM35W cost to run?

At 350 cooling hours a year it uses about 700 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €198 a year, or €1,982 over ten years.