Noise levels Air Conditioning All air systems have a noise level made up of the following:  Noise of central station

Room Air Conditioners A room air conditioner is generally considered to be a unit suitable for placement in any particular

Commercial refrigeration equipment is everywhere. Cities and suburban areas have numerous restaurants, grocery stores, hotels, and so on, each with

Troubleshooting techniques we have been discussing are very applicable to refrigeration equipment because the constituent parts are connected in a

As it leaves the compressor, the refrigerant, now under increased pressure, is much hotter. If you were now to expand

The physical principles that make refrigeration possible are easy to understand, and most of the time troubleshooting and repair are

There are several possible causes of icing. It happens more in summer when the weather has been hot and humid.

Filters of the viscous impingement type utilize a filtering medium relatively coarse in texture and constructed of fiber, screen, wire

  Dry Media filters consist usually of a permanent frame and a dry replaceable medium of cellulose, asbestos or glass

Electronic air cleaners, often referred to as precipitators, are of two varieties: the ionizing type and the charged media type.