Sweaty Windows: Common Causes of Home Condensation Problems

Sweaty windows can be a viewing and cleaning nuisance, but wet windows actually indicate more significant issues with high indoor humidity and the potential for mold development. Keep reading to learn how to mitigate home condensation problems before mold and moisture damage get the upper hand in your Long Island home.

Sweaty Windows: Common Causes of Home Condensation ProblemsHome Condensation Problems

Window condensation occurs when humid and warmer indoor air contacts a cooler surface. Water vapor condenses and takes form as water, fog or frost. Home condensation is common for windows, but condensation may also appear on pipes, walls and HVAC components.

The problem with condensation is water seepage into home structure and the resulting water and mold damage. Mold may also cause or exacerbate health issues. Lung irritations, infections and toxicities can occur. The very young, elderly and occupants with pre-existing health ailments are at greater risk.

Mitigate Indoor Humidity

Mitigating high indoor humidity is the best preventive measure to protect health and home from the harmful side effects of mold. Use these tips to reduce humidity levels in your home:

  • Kitchen: Cover pots and pans when cooking. Vent exhaust fans outside the home.
  • Bath: Run the exhaust fan until windows and mirrors are clear of fog and condensation. Vent exhaust fans outside the home. Wipe shower walls dry after bathing.
  • Windows: Pull back window coverings to allow moisture to be drawn away.
  • Airflow: Run ceiling fans to circulate air and draw moisture away.
  • Cleaning: Wash and dry full loads of clothes. Vent the dryer outside the home. Clean walls, sills and baseboards of dust, which can be food for mold.
  • Sealing and insulation: Seal air leaks in the home envelope with caulk, weatherstripping and spray-in foam. Insulate all water pipes with fiberglass sleeves. Boost attic and wall insulation to R-60 and R-21 respectively.
  • Ventilation: Consider mechanical ventilation to ensure fresh indoor air and to help manage humidity.
  • Dehumidification: Use portable or whole-home dehumidification for keep indoor humidity between 30 and 50 percent.

Learn more about home condensation problems and solutions from the pros at Cool Power LLC.

Our goal is to help educate our customers in Hauppauge, New York and the Long Island area about energy and home comfort issues (specific to HVAC systems). For more information about condensation and other HVAC topics, download our free Home Comfort Resource guide.

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