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Category: HVAC Basics

link to Why Do Air Conditioners Need Outside Air?

Why Do Air Conditioners Need Outside Air?

Many air conditioners need outside air. They need to be vented outside in order to work properly. However, this requirement can be inconvenient as it restricts the placement of air conditioners. So,...

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link to HVAC Abbreviation List | Acronyms | Terminology

HVAC Abbreviation List | Acronyms | Terminology

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...

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link to PH Diagram for Refrigeration Cycle In-Depth Explanation

PH Diagram for Refrigeration Cycle In-Depth Explanation

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....

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link to 3 Types of Metals Used for HVAC Ductwork

3 Types of Metals Used for HVAC Ductwork

Ductwork is one of the core elements of HVAC. Ducts can be made of different metals and different applications require different types of metal. So, what are the types of metals used for...

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link to Wall Mounted Air Conditioning Unit Explained

Wall Mounted Air Conditioning Unit Explained

Wall mounted air conditioning units may be unfamiliar to some people. However, they've heard about the benefits of wall mounted air conditioners. So, I decided to post some answers revolving around...

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link to What is Double Skin in AHU? (vs Single Skin)

What is Double Skin in AHU? (vs Single Skin)

If you are dealing with air handling units, you definitely come across the term double skin. Air handling units can be constructed in either single skin or double skin. So, what is double skin in AHU...

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Hi, my name is Yu Chang Zhen. I've been working as a professional in the HVAC industry for more than 7 years, covering from design and installation to commissioning and maintenance. With my experience, I want to help people solve their HVAC problems. Welcome, I hope you can find your solutions here.

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