We compared dual-hose vs single-hose portable AC units to see which cools faster, runs quieter and works best for different ...

Here's our full review of the Costway Portable Air Conditioner after testing. We found it cooled small spaces quickly, ran ...

Summer’s just around the corner, and if you’re like most people, the thought of sweltering heat has you already searching for ...

Your air conditioner is an essential part of surviving the summer months, but it does need regular maintenance, such as ...

Almost all homes built in the U.S. have air conditioning of some type. In many cases, it’s part of a heat pump system that ...

How do I know I can trust these reviews about Haier Air Conditioner? How do I know I can trust these reviews about Haier? 4,669,657 reviews on ConsumerAffairs are verified. We require contact ...

Abstract: Single-phase ac/dc or dc/ac systems are inherently subject to the harmonic disturbance that is caused by the well-known double-line frequency ripple power. This issue can be eased through ...

Abstract: This paper presents a new method to harmonics elimination in AC electric railway system by single-phase active filter. In order to create the virtual phase, the Hilbert transform is employed ...

Other elements of an AC system, like the generator, transformer, and power transmission systems, were all developed by a series of engineers from many different countries. One notable example is ...

Occupants of office buildings with air conditioning (AC) systems (e.g. central ventilation with cooling of air) consistently report, on average, more symptoms in their buildings than do occupants of ...