AIRMESTRA TOOLS

Practical Tools for a Healthier Home

Simple calculators and helpers to make dehumidifier sizing, running costs and humidity decisions easier. Start with our Running Cost Calculator, Home Problem Solver or Condensation & Mould Risk Checker.

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Dehumidifier Size Calculator

Enter your room size, moisture problem, laundry use and typical temperature. The calculator gives you a quick starting recommendation for 10L, 12L or 20L capacity and whether compressor or desiccant is likely to suit the space.

Damp, Condensation & Mould Risk Checker

Check humidity, temperature, condensation, mould, ventilation and visible damp signs to understand your risk, then use Advanced mode for dew point and cold-surface calculations. Open the Risk Checker →

NEW TOOL: Try the Home Problem Solver for room-specific starting options, then compare verified dehumidifiers and air purifiers, estimate running costs or use our rules-based finder. Open Compare & Find →

Tip: FEATURED FREE UK TOOL
Estimate hourly and monthly electricity costs —Dehumidifier Running Cost Calculator →
Explore our new Humidity Meters & Hygrometers UK category. Return here from theTools item in the main menu.