“So, an indoor air quality sensor used to be part of the HVAC (heating, ventilation and air conditioning) control system because it was pretty integral to the fresh air ventilation control ...

DANBURY – The volume of fresh air needed to circulate through the gymnasium and other high ... the building’s previous commercial use … (and) as such, several new rooftop units are larger ...

(Graham Thompson/CBC) Some residents of a public housing building ... of fresh air in their apartments and the length of time taking to fix the problem. Residents of the nine-storey, 96-unit ...