Compartmentalized Radon Mitigation And IAQ Enhancement Fresh Air Retrofit In High And Low Rise Multihousing By Wayne Dean, JD

Wayne Dean, JD
SmartVentilation, Inc.
Fort Myers, Florida USA
iaq@smartventilation.com

Abstract

Until recently, ventilation in multihousing has generally been by exhaust fan operation. The source of replacement (fresh) air was of little apparent concern. As a result, replacement (ventilation) air (often radon-rich) was sourced from building cavities of unknown location and contaminant levels, and through unknown and unconsidered pathways. A retrofit fresh air delivery alternative consists of a port ored from indoors through an exterior wall using a special boring rig, an easily removable ventilation/filtration module, and a controller sensing indoor temperature and relative humidity to control operation or speed control of the ventilation/filtration module, to maintain temperature and humidity comfort regardless of outdoor conditions. Multihousing dwellings are generally compartmentalized so fresh air delivery in such manner can provide a reliable source/quantity of suitable filtered fresh air to mitigate/maintain low radon, CO2 and particulate levels as well as increased oxygen within the unit’s breathing zone.

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