Q: I have a swamp cooler that no longer works. It blows air, but the air is not cool. The unit used to make a trickling noise but no longer does. What can be done to bring the cool air back? A: Swamp ...

Getting your Trinity Audio player ready... When GerRee Anderson and her husband bought their Wheat Ridge home a couple of years ago, its aging metal evaporative cooler was working, but earlier this ...

I recently visited Moab, Utah, and found that many people there use “swamp coolers” rather than conventional air-conditioning systems. Moab is in a near-desert environment and has frequent ...

Jul. 10—Since graduating from the Massachusetts Institute of Technology in 1976, Nancy Nangeroni's engineering work has encompassed a variety of projects from loudspeaker designs to lines of answering ...

When GerRee Anderson and her husband bought their Wheat Ridge home a couple of years ago, its aging metal evaporative cooler was working, but earlier this month it started to falter. Then the ...