Author name: Umar Farooq

How a humidity sensor extractor fan works, how it differs from a timer fan, and 4 limits that make it run late, run on, or never start.

How to stop damp in an empty house: 7 steps for before you leave, a minimum heat to hold while away, and what to check on return. No kit required.

How to prevent damp in winter: a room-by-room checklist and a 4-week plan, built on council and gov.uk advice, with links to the deep dives.

Bathroom extractor fan not removing steam? Five usual causes, from a sealed door to a blocked duct, the simple checks to try and what needs an electrician.

Do I need an extractor fan in my kitchen? In England, new kitchens need extract to the outside. See what the rules say, window vs hood, and 4 signs.

What are air bricks? The small vents in UK outside walls that ventilate the void under timber floors, what blocks them, and 5 safe checks to avoid damp.

Should you leave a window open overnight in winter? A small gap can cut morning condensation. Here is what it costs in warmth, and 5 rules to do it safely.

Air changes per hour in a house is how often the indoor air is swapped for outdoor air. 3 figures to know and how to judge yours without a blower-door test.

How to ventilate a bedroom at night: leave a window on the latch, open the door a gap and keep trickle vents clear. 5 fixes, with measured CO2 data.

When to turn heating on to stop damp: before the first wet window, not after. 3 signs to watch, a low steady pattern, and why starting early is cheaper.

Condensation in one room only means that room is colder, wetter or stuffier than the rest. A quick test order with a hygrometer, and the fix for each cause.

Do electric heaters reduce humidity? Only the reading, not the water. See how 4 heater types differ, why gas and paraffin do the opposite, and the wall problem.