Humidifiers and heating systems, a misunderstood and often misused combination Inspecting houses in the cold climate of Connecticut, forced air systems equipped with humidifiers are very common to find. The purpose of the humidifier is said to be that a forced air heating system "dries out the air" and therefore additional indoor moisture is needed. So is this empirically … [Read more...] about Hot Air, Cold Air, Wet Air, Dry Air