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Category: Chilled Water System

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 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 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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link to What is Economizer in Chiller?

What is Economizer in Chiller?

Large chillers often have an economizer to improve energy efficiency. However, engineers often don't quite understand what is economizer in chiller. So, I did some studies. Chiller economizer...

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link to Centrifugal Chiller vs Screw Chiller (Chiller Selection Guide)

Centrifugal Chiller vs Screw Chiller (Chiller Selection Guide)

Large buildings often need chillers for cooling. But, there are many types of chillers available on the market. Many engineers find it particularly difficult to choose between a centrifugal chiller...

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link to Chiller Efficiency Calculation: kW/Ton, COP, EER & IPLV/NPLV

Chiller Efficiency Calculation: kW/Ton, COP, EER & IPLV/NPLV

Chiller efficiency is one of the most discussed topics among HVAC engineers. However, chiller efficiency is represented in many different units of measurement and certain units may not be stated on...

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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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