The International Building Code defines institutional occupancies under Institutional Group I and includes the use of buildings or structures where care or supervision is provided to persons who are ...

Air recirculation in ventilation systems is essentially the mixing of a certain amount of exhaust air into the supply air. This process provides a reduction in energy consumption when heating fresh ...

Heat recovery and ventilation systems are integral to contemporary approaches in reducing building energy consumption and enhancing indoor air quality. These systems operate by capturing waste heat ...

Last week I reviewed some of the general strategies used for ventilating buildings -- or not. This week, I’ll zero in on the types of balanced ventilation in which heat is recovered from the outgoing ...

As the days go from cool to cold and the last leaves fall from the trees, it’s time to admit it. Yes, winter is coming. It’s not even the snow and ice that most of us mind so much, it’s the stale, ...