Before I became an indoor air quality (IAQ) professional, I was a contractor and a home inspector. During my home inspections and IAQ investigations of newly constructed homes, I found many problems that worried me, no matter what professional “hat” I wore. Here are some real-life experiences: The Two-Family That Threatened Occupants’ Health Two furnaces were suspended from the ceiling of the four-car garage located beneath the condominiums. The filter slots were open, so combustion products in engine exhaust—including carbon monoxide—would be entrained into the system. The buyer ...
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