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HOME Ventilation Guide INDOOR AIR QUALITY AND RESPIRATORY AILMENTS 1. Intermittent local ventilation – For bathroom, kitchen and other moisture-, odor- and contaminant-producing areas. 2. Continuous whole-house ventilation – To remove stale, polluted air and distribute fresh, outdoor air throughout the house. 3. Attic and crawlspace ventilation – To protect attics and crawlspaces. Home ventilation products are designed for easy installation and typically require little maintenance. Consumers should consult with their builder or HVAC contractor to determine the appropriate HVI-Certified products for their particular application. The contractor will ensure that products are properly installed and arrange for regularly scheduled system checkups to verify that the ventilation system is operating effectively. ■ Asthma, allergies and other respiratory ailments are serious problems affecting people of all ages. Considering that people spend about 90 percent of their time indoors (65 percent in their homes), it’s no surprise that many researchers are studying the effects of indoor air on these ailments. The Environmental Protection Agency (EPA) has found the levels of common organic pollutants to be two to five times higher inside homes than outside, whether they were located in rural or highly industrialized areas. When products containing organic chemicals are used, people expose themselves and their families to very high pollutant levels, which can linger long after the activity is over. Elements contained in indoor air can trigger asthma and allergy attacks as well as aggravate other respiratory conditions. The American Lung Association has estimated that in 2004, approximately 20.5 million Americans suffered from asthma. Asthma is the most common chronic disorder in childhood, currently affecting the lives of an estimated 6.2 million children under 18 years. In its educational literature, the American Lung Association stresses that ventilation is an important strategy for helping to alleviate the symptoms of asthma, allergies and other respiratory ailments. Along with incorporating proper ventilation strategies in the home, the association also recommends controlling trigger sources and cleaning the air. 10 H V G www.hvi.org circle 55 on reader service card
www.ul.com TOTAL PEACE OF MIND. DO YOU HAVE IT? EVERYTHING ELSE FALLS SHORT OF THE MARK Because it’s the mark regulators prefer, UL certified equipment is more likely to receive immediate regulatory acceptance. And because consumers associate the mark with safety, you can be confident that any UL certified products you select will satisfy your customers’ expectations. To put your mind at ease, turn to the testing and certification organization with unparalleled market acceptance. Turn to UL. Visit www.ul.com/hvacr to learn how UL can provide you with the peace of mind you need. circle 56 on reader service card Copyright © 2006 Underwriters Laboratories Inc. ® ULAB-637 10/06
Page 1 and 2: THE GUIDE TO HOME VENTILATION & IND
Page 3 and 4: IN RESIDENTIAL VENTILATION Contents
Page 5 and 6: Improve the Indoor Air Quality in Y
Page 7 and 8: circle 53 on reader service card
Page 9 and 10: what’s lurking in your bathroom?
Page 11: Figure 1. Typical conditions found
Page 15 and 16: Please welcome the newest member of
Page 17 and 18: Venmar AVS and HVI: Partnership for
Page 19 and 20: from moisture generated by boiling
Page 25 and 26: HOME Ventilation Guide other. A con
Page 29 and 30: with low energy cost. These efficie
Page 31 and 32: which diminishes its effectiveness
Page 33 and 34: performed and the location of the r
Page 35 and 36: A smaller fan can effectively cool
Page 37 and 38: AD INDEX The following companies pr
Page 39 and 40: Fresh Ideas in Fresh Air Ventilatio

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