The lubricant in refrigeration and air conditioning systems has many important functions. Even though the circulated refrigerant is the working fluid required for cooling, the lubricant or oil is ...

The Makita MAC 5200 is an air compressor you can take with you to the job site, but how portable and easy to use is it? Here's everything we know.

Compressed Air is regarded as the fourth utility next to power, water and fuel (natural gas), and generally the one that all customers should produce and provide themselves. Compressed air is the ...

When dealing with refrigeration or air conditioning compressors that employ an oil pump, many service technicians confuse net oil pressure with oil pump discharge pressure. However, it is of utmost ...