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...
Category: HVAC Basics
If you're working in the HVAC industry for a while, you probably heard the word VAV. So, what exactly is VAV in HVAC, how does it work and why do we use a VAV? VAV stands for variable air volume....
Radiant cooling is considered an advanced cooling system in many countries. It is said to yield a higher efficiency than a conventional VAV+VSD chilled water system. So, is radiant cooling more...
What is Sensible Cooling Capacity? (Sensible vs Latent Load)
Air conditioners often display both the total cooling capacity and the sensible cooling capacity. Many people wonder what is sensible cooling capacity so am I. Hence, I did a little...
Psychrometric Chart is a useful tool in HVAC. It shows the properties of air and the relationship between temperature and humidity. Hence, it's important for HVAC engineers to understand how to read...
A plenum box is a common and essential component in HVAC. However, not many people realize the true function of a plenum box. So, what exactly is a plenum box and what is the purpose of a plenum...
