Guides
Plain English, with sources and the working shown.
How to work out a sensible dehumidifier capacity in litres per day for your room, with our scoring method.
The main differences between compressor and desiccant dehumidifiers, and which suits a heated or cold room.
How to calculate what a dehumidifier costs to run per hour and per litre, using the current energy price cap.
How to match an air purifier to a room using CADR and air changes per hour, and how to read HEPA claims.
Signs that damp needs its cause found and fixed, not just a dehumidifier, and where to get help.