What size dehumidifier do I need?
Sources awaiting check
Dehumidifier size and running-cost calculator
Worked example
For a heated bedroom and a made-up 200 W dehumidifier run for 8 hours a day on a 25p/kWh tariff:
- Suggested type: compressor (the room is heated).
- Energy: 200 W × 8 h = 1.6 kWh a day.
- Cost: £0.40 a day, £2.80 a week, £72.80 over the October to March season (182 days).
Source: Manufacturer documentation, awaiting check
Editor: brief §7 #9. Host page for the hero calculator. Sizing bands only from the cited manufacturer guide (data/sizing.json). Every claim sourced; no health claims (link NHS); no "we tested"; note four-nation differences where they apply.
The short answer
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Extraction rate, not tank size
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Size bands from the manufacturer
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Cold rooms
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FAQs
Editor: 4–6 FAQs from the keyword set.
Related guides
- How much does a dehumidifier cost to run?Work out what a dehumidifier costs to run per day, week and winter: watts × hours × your unit rate. Worked example and free calculator.
- Compressor vs desiccant dehumidifier: which for a cold house?How compressor and desiccant dehumidifiers work, which suits a heated room or a cold garage, loft or conservatory, and what each costs to run.
Sources
- Desiccant dehumidifiers keep working in cold rooms, where compressor models extract less (Manufacturer documentation), awaiting check
- Manufacturer sizing guide: extraction capacity by home size (Manufacturer documentation), awaiting check
- NHS guidance on damp and mould and your health (NHS), awaiting check