Understand the Causes of Asthma One in nine Americans suffers from asthma. Asthma causes the airways of the lungs to swell and narrow, leading to wheezing, shortness of breath, chest tightness, and coughing. The lungs of asthma sufferers are sensitive to dust...

Before buying a whole building-dehumidifier, make sure that the existing HVAC equipment is optimized to remove both sensible and latent heat. As with any HVAC upgrade, improve the building enclosure with cost-effective retrofits. If this HVAC-and-enclosure...

Air conditioners and dehumidifiers remove water vapor from indoor air by refrigerating the air to below its dew point to condense water vapor. The air conditioner (AC) should be the primary moisture remover whenever possible. However, when the AC doesn’t activate...

What are VOCs? Volatile organic compounds (VOCs) are chemicals that vaporize and enter the lungs through normal breathing. VOCs are ingredients in paints, cleaning products, and adhesives. Building materials such as carpet, linoleum, composite wood products, and...

 Purpose of ZNE A ZNE home is one where the value of the energy produced by on-site renewable energy resources is equal to the value of grid energy consumed annually. Net-zero is measured by the Time Dependent Valuation (TDV) Metric. TDV is the cost-effectiveness and...

Balanced Ventilation Systems Balanced ventilation systems exhaust stale air and provide fresh air through a ducted distribution system. Of all the ventilation schemes, they do the best job of controlling pollutants in the home. Balanced systems move equal amounts of...