Homeowner Damp & Heat Tools

Dew Point Calculator

Check the risk of condensation forming by calculating dew point temperature based on air humidity and temperature.

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Ventilation Calculator

Estimate airflow needs for background or extract ventilation to control moisture in your home.

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EWI Benefit Tool

See how external insulation improves surface temperature and lowers condensation and heat loss risk.

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Mould Risk Calculator

Determine the likelihood of mould growth using surface temperature and humidity values.

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Heat Loss Estimator

Roughly estimate how much heat your home is losing through walls, windows, floors and roofs based on material U-values and dimensions.

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U-Value Checker

Calculate the thermal transmittance (U-value) of a construction element using its material layers and thicknesses.

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