Codes require the introduction of outdoor air for mechanically-ventilated commercial buildings, to help assure that pollutants and bio-effluents introduced into the indoor air will be diluted and ...

Preconditioning air before it enters a DX rooftop system is not necessarily a new idea. In fact, energy recovery ventilation (ERV) has been on the scene for many years. In recent years, however, all ...

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, ...

Even though a proper ventilation strategy offers substantial savings, its role is less clearly defined than chillers, cooling towers and pumps. International Mechanical Engineering Corporation (IMEC) ...

We have no idea whether [Nick Goodey] is a trained engineer or not. But given the detailed design of this DIY energy recovery ventilator for his home HVAC system, we’re going to go out on a limb and ...