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 ...

Broan is introducing four new Energy Star-qualified heat-recovery ventilators and four new energy-recovery ventilators. Company officials say the ventilators were designed to significantly improve the ...