Heat water: Marc Jiggins, running director at Pyramid Eco, indicates, 'Positioning a bowl of drinking water in the vicinity of a radiator or heating vent allows it evaporate step by step, incorporating Light humidity towards the air. A: HVAC units control humidity by dehumidifying air. Heat air meets chilly coils, https://humidity-control43197.p2blogs.com/36679636/not-known-facts-about-humidity-control