Cooling towers are one of the major components of HVAC. They are used to reject heat in chilled water systems. Many people don't actually realize the principle behind cooling towers. So, how cooling...

When it comes to improving chiller efficiency, the term chiller lift keeps repeating. Chiller lift does affect chiller efficiency. So, what exactly is chiller lift? How does it affect chiller...

VFDs are very common in HVAC, especially new HVAC systems. They are devices that can improve the energy efficiency of various HVAC systems. So, how VFDs work in HVAC? First of all, what is a VFD?...

A properly designed HVAC system should not produce unpleasant noise. Usually, problems such as rattling and whistling noise are not a big deal. People are seriously frustrated with a really loud air...

People are staying at home more frequently than ever before. As we spend more time indoors, air quality becomes a concern. I also work from home most of the time. So, I did some research on home air...

The energy efficiency of air conditioners and chillers is commonly represented in either COP, SEER or EER. Sometimes, people like to use kW/Ton and windows air conditioners use CEER to indicate...