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Trade Articles
Home Ventilating Institute (HVI) Indoor Air Quality (IAQ) Position Paper Mechanical ventilation plays a critical role in maintaining acceptable indoor air quality in homes. In this article, the Home Ventilating Institute, the authority on residential ventilation systems, offers guidelines on how to select the right ventilation system for your home, how much air it should move and why, types of ventilation systems, and where to get more information on ventilation standards.
Mold, Moisture, and Houses – Ventilation is an Effective Weapon This guideline document provides an overview of residential mold prevention for the average consumer – the resident of today’s North American housing. It provides a basic scientific explanation of mold fundamentals, findings related to problems blamed on mold, and an introduction to psychrometrics - the science of air containing moisture. That scientific base is then applied as a general guideline for making the practical decisions associated with residential design, construction, ventilation and operation for effective mold control.
QuickGuide to Indoor Air Quality Air - though invisible, it is the most basic, life-sustaining feature of your home. Preventive measures, ventilation, and daily habits play a role in protecting your home’s precious supply.
Indoor Air Quality and Mold Prevention of the Building Envelope Microbiological organisms, such as fungi and bacteria, are important components of our ecosystem. These microorganisms break down dead material into its constituent components and as such are important participants in earth's continuing life cycle. However, if these microorganisms proliferate in buildings, they can adversely impact indoor air quality (IAQ), create hazardous health conditions for the occupants and contribute to the deterioration of building components.
Mold and Health Issues Over the past decade, there has been extreme media attention to issues about mold and allegedly adverse effects. Unfortunately, misinformation about mold and health effects abounds and often the public is led to believe that exposure to mold is a dangerous event. This paper presents common points of misinformation about mold and health. Scientific documentation to refute the misinformation is presented.
Natural Versus Mechanical Ventilation The reality is that the natural infiltration of air is not a reliable source of adequate amounts of air to maintain good air quality. This article explores the reasons for this and then outlines the benefits of controlled mechanical ventilation. Article written by Gord Cooke; reprinted from HPAC Jan/Feb 2005 with permission.
Low Sone Fans Homes built in recent years are often larger and more airtight than in the past in order to keep conditioned air from escaping. These larger homes often have larger bathrooms with whirlpool baths, steam showers and other amenities to provide added comforts. As a result, many homeowners and builders have recognized the need for quiet ventilating fans. Homeowners want to enjoy a quiet, relaxing whirlpool bath without being disturbed by a loud ventilating fan. They choose a quiet model in order to fully enjoy their home investment.
Ventilation Controls for Life-Styles, presented by the HVI Sales & Marketing Committee In recent years, as new homes have become more airtight, the awareness of the need for residential mechanical ventilation has been growing more than ever. Proper ventilation is essential to removing excessive moisture, which promotes mold and mildew build-up and can deteriorate the building's structure. Ventilation is also important to help reduce the build up of volatile organic compounds (VOCs) that affect indoor air quality (IAQ) and may cause health problems for occupants.
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