What is condensation? When air with a lot of moisture comes into contact with a cold surface, the moisture solidifies into water, which is what we call condensation. Some temporary condensation is a normal part of most buildings and isn’t a cause for alarm, but if condensation stays on

Do PIV Units Work? Because they’re so cheap to install and run, many people have doubts about the effectiveness of PIV units. After all, if PIV units can improve air quality and reduce condensation, damp and mould, why do people spend so much on air conditioning? Do PIV units work?