The largest clusters of virus cling to the heaviest droplets, which behave like falling leaves — swirling and dancing for a …
There was a time when, for a variety of reasons—poor insulation, leaky windows, pitiful air sealing—most homes were …
Install manual dampers where each room branch duct joins the central trunk duct. This facilitates customizing air flow to individual rooms. The volume of air entering a room under positive …
We noted in an earlier post that the Federation of European Heating, Ventilation and Air Conditioning Associations (REHVA) in …
[embedyt]//www.youtube.com/embed/035pH8wniMs[/embedyt]
