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 ...

Swamp coolers provide one of the simplest and most cost-effective ways to stay comfortable in the heat. Also known as evaporative air conditioners, these machines take in warm outside air and ...

Earlier this year I replaced my swamp cooler controller. What I had was one of those sucky cheap controllers that has a rotary dial, you manually turn it to start the pump to wet the pads, then ...

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 ...