QUEBEC CITY - What is an extraordinary event? It's anything out of the ordinary, in particular something that could be dangerous. This includes fires, floods, chemical spills, or other types of wide-spread, toxic contamination. It could be an accident or a planned terrorist act.
What kinds of roles do residential HVAC systems play in protecting consumers from the problem, or making it worse indoors? That question was pondered at a forum of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) at the group's annual meeting.