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One question, one straight answer

50 questions, each on its own page, each answered in a few hundred words rather than buried at the bottom of a listicle. Where the honest answer is "your unit needs a €15 replacement filter, not replacing", it says so.

Choosing

How each family differs, what to buy first, and what the specification on the box actually means.

9

Sizing & coverage

m² and m³/h against room size, capacity claims read correctly, and the reference conditions behind them.

6

Cooling

Single- against dual-hose, venting, drainage, and what BTU/h actually predicts in a real room.

4

Heating

Wattage against running cost, element type, thermostats, and the safety features that should never be assumed.

5

Humidity

Target percentages, hard water and scale, tank sizing, and condensation treated as a material issue, not a health one.

4

Air quality

CADR, filtration stages, sensor types on a monitor, and what a reading does and does not tell you.

5

Ventilation

Airflow, oscillation, placement, and moving air across a room rather than just cooling one spot.

2

Noise & power

dB(A) at each setting, watts against a bill, and what a circuit will take running several appliances at once.

2

Installation

Window kits, wall sleeves, clearances and mounting — what the manual specifies rather than what fits by eye.

3

Cleaning & maintenance

Filters, tanks and coils: what to wash, how often, and the difference between a clean unit and a working one.

3

Parts & wear

Filters, remotes, cartridges and hoses: what wears, what is stocked, and how a compatibility list is read.

3

When it goes wrong

It will not cool, it leaks, it trips a breaker — the causes in the order they are worth checking.

4

Prices quoted in these summaries are dated readings. The live price is shown next to each product.