Relative Humidity

We do not strictly control Google ad content. If you believe any Google ad is inappropriate, please email us directly here.

• Mold

  Mold Guidance for Tenants and Landlords

  Revealing facts about mold problems, how they start, and how to safely clean them up. This guidance was written for people living in the northwest USA, and isn't for hot and humid climates.
• Mold Remediation

  Five Principles of Mold Cleanup

  There are five general principles of cleaning up - or remediating - mold.
• Relative Humidity

  Does Your Home Have High Relative Humidity?

  Humidity refers to the water-vapor content of air. Because there is always some moisture in the air, it can be difficult to think of humidity as a pollutant. Yet, if your indoor air contains high levels of water vapor, it can cause major problems.
• Chemical Sensitivity

  Case Study: Building a Home for the Chemically Sensitive

  In early 2007 Kevin and Kathy Christopherson set about building a home in Hanover, Wisconsin. This was no ordinary new home construction, though. Since Kathy has an acute chemical sensitivity, special precautions were necessary – precautions that presented some particularly challenging construction issues.
• Ventilation

  What are HRVs/ERVs?

  Heat recovery ventilators (HRV) and energy recovery ventilators (ERV) are air exchange systems that help to enhance indoor air quality and minimize heating costs.