Keep Humidity Levels Within A Healthy Range

Why Should I Worry About Moisture Problems?
Does My House Have a Moisture Problem?
Reduce Moisture Sources Inside The Home
Add Insulation To Cold Surfaces
Reduce Uncontrolled Air Leakage
Install Effective Ventilation Systems
Basic Facts About Moulds
Upgrade Or Replace Windows
Check For Moisture Entry From Other Sources
Keep The Air Circulating
Get Rid Of Mould
Basic Facts About Moisture
Keep Humidity Levels Within A Healthy Range
Use Dehumidifiers Wisely
Moisture Problems, Don't Become a Statistic!

Health Canada recommends that your home's relative humidity be kept between 30 and 55 percent in winter. Lower levels aggravate skin allergies and respiratory infections, and higher levels increase the spread of mould, bacteria and viruses. Dust mites spread when the hsumidity is above 50 percent.

 
Relative humidity and health effects
Decrease in bar width indicates decrease in effect.