They cool water and produce a relatively harmless plume at the exhaust when the ambient air is colder and denser than the mist released by the evaporative process.
Indoor allergens -- particularly spores from molds that grow on irregularly cleaned evaporative coolers and humidifiers -- can be circulated throughout the structure, bringing on .
Greg Hunt in Brisbane Times There are good and bad sites for dams, just as dams,Mr Hunt said. "And the usual thing you are looking for is a deep chasm, which has low evaporative rates. What you have here - and it is obvious when you look from the top of Dave (Sims')...