Sentences with phrase «poor air ventilation»

Not exact matches

So - called sick building syndrome is thought to be caused by poor ventilation and a build - up of microorganisms, usually in the heating and air - conditioning ducts.

This type of cooking paired with poor ventilation leads to high levels of indoor air pollution which can contribute to lung cancer.

Endocrine disruptors are common in many traditional building supplies and environments, including polyvinyl flooring and wall coverings, wall - to - wall carpeting (a carcinogen magnet), high VOC paints, stains and sealants, and poor indoor air quality as a result of insufficient ventilation.

Outdoor air pollution penetrating the building, such as vehicle exhaust fumes entering buildings next to busy roads, can be a cause, as can poor lighting and glare from computer screens and poor ventilation.

Another consequence of poor ventilation in school buildings is high rates of carbon dioxide, which is not a health threat but does indicate poor ventilation and therefore high rates of indoor air pollution.

The only problem is that there's no A / C, and ventilation is poor because (1) the house has enormous windows facing east that don't open, (b) the air vents below the windows are tiny, (c) the living room has no ceiling fans, and there are no floor fans.

At 1 % concentration of carbon dioxide CO2 (10,000 parts per million or ppm) and under continuous exposure at that level, such as in an auditorium filled with occupants and poor fresh air ventilation, some occupants are likely to feel drowsy.»

Poor indoor air quality can result from inadequate or inappropriate ventilation.

Yet, there is this absurd insistence on natural ventilation when it comes to houses — despite research demonstrating poorer outcomes for indoor air quality, comfort and energy efficiency.

Take care Make ventilation holes to prevent suffocation; also note that quinzees can collapse from poor snow condition, increase in air temperature, failure to let the mound harden enough, or from people clambering on top.

This is a common hazard during summer months, but it can even occur in winter if indoor work environments have poor ventilation and air circulation.