Chiller capacity is usually shown in the brochure or specification sheet. However, after the installation, the chiller may operate in different conditions and some people may need to re-calculate the...

There are a lot of abbreviations, acronyms, terminologies, definitions and short forms used in HVAC. Beginners often struggle to understand the terms used in HVAC. So, I compile a list of the common...

In cold climates, houses often use a heat exchanger for ventilation. Homeowners who are currently using a furnace for heating may wonder if they still need a heat exchanger if they use a heat pump....

More and more homeowners are interested in getting a heat pump. A heat pump is said to be more efficient at providing heating as well as cooling. If you don't know anything about heat pumps, you...

PH diagram for the refrigeration cycle is one of the essential elements in air conditioning. It is fundamental to how air conditioners work. However, it is not well understood by many HVAC engineers....

Condominium owners often suffer from poor-performing HVAC systems as their condo HVAC unit can't provide adequate heating and cooling. I thought there is a better HVAC system for condominiums. So, I...