When your air conditioner starts to make noise, don't worry: there are some fixes you can try right now to get it running smoothly again. If these tips don't work, it might be time to call in an ...

Actively reducing noise by ionizing air Date: May 31, 2023 Source: Ecole Polytechnique Fédérale de Lausanne Summary: Scientists show that a thin layer of plasma, created by ionizing air, could ...

EPFL researchers have developed a 100% effective, ultra-thin active noise cancelling system that uses an ionized air plasma propulsion system instead of speakers. A 17-mm-thick (0.6-in) layer can ...

Consumer Reports uses a sound meter to test air conditioner noise levels on both high and low settings, which provides an objective volume measurement. But that’s only part of our extensive test ...

Costway Portable Air Conditioner Features Strong Cooling For Small Spaces This Costway model doesn’t cool down a huge space, but during our testing it noticeably cooled the area right around it ...