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link to How Absorption Chillers Work?

How Absorption Chillers Work?

Absorption chillers used in Qatar's world cup stadiums are powered by solar hot water which many HVAC engineers find it very interesting and inspiring. However, absorption chillers are not very well...

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link to Qatar World Cup Stadium Air Conditioning System

Qatar World Cup Stadium Air Conditioning System

The FIFA world cup 2022 is held in Qatar's air-conditioned stadiums. The air conditioning system in the eight football stadiums is one of the most discussed topics of the world cup ever since Qatar...

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link to Mini Split Dimensions (LxWxH) and Wall Space

Mini Split Dimensions (LxWxH) and Wall Space

Mini split dimension is one of the important aspects to consider when buying one. We need to make sure that we have enough wall space to hang the mini split wall unit. So, I compiled all mini split...

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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 Chiller Capacity Calculation: Formula, Example, TR & kW

Chiller Capacity Calculation: Formula, Example, TR & kW

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...

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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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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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