Secondary pumps are very common in the chilled water system. Chillers require primary pumps to move water through their evaporators but why do most chilled water systems have secondary pumps? I'm...
Category: Chilled Water System
Chillers are one of the most important components in HVAC. They are the heart of the HVAC chilled water system. There are many types of chillers in HVAC and thus, what are the most common types of...
A chilled water fan coil unit is one of the two kinds of fan coil units. It comes in different forms and types. So, many junior engineers are trying to understand chilled water fan coil units. Hence,...
As a design engineer, you may come across a situation where you need to choose between a chiller and a VRF system. Among all, water-cooled chillers and air-cooled VRFs are often go head to head. So,...
Air Handling Unit Basics: Components, Specifications & Types
Air handling units (AHUs) are one of the key elements in HVAC. If you are working with medium to large-scale HVAC projects, you'll be dealing a lot with AHUs. Since I've worked on AHUs before, I'll...
If you're just getting started on the chilled water system, you might have heard of chiller approach, evaporator approach or condenser approach. But, what are they? What is the chiller...