How to Reduce Condensation in Garages

Written by jaimie zinski
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How to Reduce Condensation in Garages
Reduce condensation in a garage to prevent mould growth. (red garage door image by green 308 from Fotolia.com)

Condensation occurs when warmer, moist air comes in contact with a surface, such as a window or a concrete floor, that has a lower temperature. The moisture builds up, such as when dew forms on the grass in the early hours of the day. If left unattended, a condensation issue can be an ideal setting for mould formation. Preventing condensation in a garage is possible to ensure that its contents do not become susceptible to water damage or mould propagation.

Skill level:
Easy

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Things you need

  • Dehumidifier
  • Space heater
  • Roof vents
  • Insulation

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Instructions

  1. 1

    Place a dehumidifier in the garage to draw in the moist air lingering in the structure. The liquid collects in a basin that can be removed and emptied. The correct size of the dehumidifier depends on the square footage of the garage.

  2. 2

    Place a space heater in the garage. Turn the heater on during the times of the year when condensation is an issue, such as rainy periods or springtime.

  3. 3

    Keep a window in the garage open during periods of heavy condensation. This helps promote air flow throughout the garage, which will lessen the amount of condensation.

  4. 4

    Install passive vents in the garage roof. These vents allow airflow in the space when it is not being used, lessening condensation.

  5. 5

    Install insulation. This will keep the walls of the garage warmer, which will cut down on the formation of condensation.

Tips and warnings

  • Don't leave a space heater running unattended.

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