Blog

Ideal home humidity level winter: 30-40%, lower in a hard frost. See 4 targets by outdoor temperature and how your windows tell you when to drop.

How long does it take for mold to grow? Visible mould takes days to weeks. The 24-48 hours is a drying deadline, not a timer. Here is what was measured.

How to lower humidity in house: find the source, vent the steam, cover bare soil, then use a machine for what is left. 6 fixes, in the order they work.

Condensation on outside of windows is dew on a cold outer pane. 5 conditions that cause it, a wipe test, and why a dehumidifier cannot touch it.

Condensation inside double glazing means the sealed unit has failed. Confirm it with a wipe test, see the 3 fixes, and learn why a dehumidifier can’t help.

How to stop condensation on windows: cut the damp air, vent it out and warm the glass. 7 fixes in cost order, plus when a dehumidifier is worth buying.

Does a dehumidifier help with dust? Not directly: it removes moisture, not particles. 3 jobs it can and can’t do, plus the humidity level to aim for.

Condensation on walls is damp room air meeting a cold surface. 3 cheap checks to tell it from a leak or rising damp, and what to fix first.

How to dry clothes indoors without mould: spin hard, dry in one shut room with an exit for the vapour, and keep the airer away from radiators. 7 steps.

How often to empty a dehumidifier depends on tank size and what it collects. Do the 2-day sum, spot the signs early, and stop carrying the tank every day.

What should indoor humidity be? 30-50% relative humidity, kept under 60%. The 4 bands that matter, the winter exception, and how to check your reading.

What does black mold look like? Dark speckles that merge into a smudge, slick when wet, powdery when dry. 5 signs, 5 look-alikes and a safe first step.