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10–25 €
TempPro / ThermoPro TP50
Example desktop hygrometer for diagnosis. Without a relative-humidity number every tip is guesswork. Not a lab review.
When: Always, as the first diagnostic step.
Not when: It does not replace a moisture meter or a rising-damp survey.
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180–320 €
COMFEE’ 16L Wi‑Fi
Example compressor dehumidifier. Useful if indoor air sits above ~60–65% and the cause is indoor vapour. Not a lab review.
When: Measured high RH, window condensation, indoor drying, windowless bath.
Not when: Rising damp, leaks, stains that start at the skirting and climb.
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12–35 €
Ariasana Aero 360° Kit
Salt moisture absorber, no electricity. Not a compressor dehumidifier: useful in wardrobes and small bathrooms, not enough if the whole home is damp.
When: Wardrobe, hall, small bathroom — after you know it is not a wet wall.
Not when: Not a substitute for an extractor or dehumidifier if whole-home RH stays high.
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8–18 €
TempPro / ThermoPro TP49
Mini hygrometer, same job as the category: room temperature and humidity. Category example, not a lab test.
When: Small spaces, or when you want to move it from room to room.
Not when: It does not measure moisture in the wall.
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15–30 €
ThermoPro TP49 (2-pack)
Two mini hygrometers to compare rooms (bath vs bedroom). Zone comparison, not a survey.
When: You want to see whether the problem is in one room only.
Not when: It does not replace a one-week log with one reliable instrument.
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140–250 €
COMFEE’ 12L
More compact compressor dehumidifier. Same category logic: damp air, not a wall wet from below.
When: Small-to-medium rooms, measured high RH, after diagnosis.
Not when: It does not cure rising damp or leaks.
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8–15 €
Ariasana Aero 360° unscented tabs 2×450 g
Refills for the salt kit. Without tabs the housing does nothing. Useful in wardrobes, halls and small bathrooms. Not a compressor dehumidifier.
When: You already have (or are about to get) an Aero 360° kit and the space is small.
Not when: Whole-home RH stuck above ~60–65%, a saturated cellar, rising damp. Not a substitute for an extractor or compressor.
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