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What Are The Best Ventilation Techniques?

Posted by GBM Research

Feb 10, 2016 10:02:50 AM

As high-performance homes push increasing levels of insulation and air tightness, it becomes more critical to ensure dilution of indoor pollutants with whole-house and spot ventilation.

Building America’s Take:

ASHRAE 62.2 may not encourage good ventilation systems and, and can promote inefficient ventilation systems that result in poor indoor air quality.

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Bathroom Venting: Is Down Better than Up?

Posted by Green Builder Staff

Nov 4, 2015 4:25:31 PM

When installing a bathroom fan, is it possible that venting down might not only be easier, but also a better choice?

DIY book author Henri de Marne has an interesting perspective on the optimal way to install bathroom fans. His perspective may be helpful for remodelers especially, who are looking for a way to ventilate a difficult bathroom, because sometimes going down is significantly easier than going up. Read More

Study: Three Reasons People Don't (and Should) Use Range Hoods

Posted by Matt Power, Editor-In-Chief

Oct 13, 2015 8:57:00 PM

The research found that noise is a major factor, but so is homeowner ignorance about the importance of ventilating a modern home.

As part of a study of kitchen usage, the Center for Real Life Kitchen Design at Virginia Tech asked many questions about when and how people use kitchen range hoods. The big three: noise, ignorance, and belief that it's "not necessary." Here's an excerpt:

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UK Study: Tighter Homes will Double Asthma Cases by 2050

Posted by Green Builder Staff

Sep 21, 2015 5:11:36 AM

The good news is that mechanical ventilation can solve the problem, if it's mandatory for new homes.

The study, penned by Professor Hazim Awbi at the University of Reading confirms what many of us in the healthy indoor air camp of the building industry have suspected for years. Modern, energy efficient homes without mechanical ventilation are a petri dish of toxins, including formaldehyde, VOCs and the more common "natural" concentrations of danders, dust and other particulates.

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What a Well Ventilated Home Means

Posted by Panasonic, Guest Columnist

Jun 10, 2015 6:00:00 AM

The best ventilation system can dilute or eliminate pollutant sources and filter air to remove unwanted particulates from a home. 

Mechanical ventilation provides a critical component in the health of the home. If the HVAC system is analogous to a human heart, cooling or heating the home the same way blood can cool and heat the body, then ventilation is similar to the lungs of your home. Without air systematically supporting the body with oxygen and exhausting the carbon monoxide the human body would not function in a healthy manner. The same is true for ventilation in the home; health is the main driver in any home ventilation plan.

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