---
title: "How to Judge the Quality of Evaporative Air Coolers? – Rundongfang"
url: https://tiercooling.com/posts/how-to-judge-the-quality-of-evaporative-air-coolers-rundongfang/
date: 2021-12-29
modified: 2026-09-28
lang: en
author: "info@tiercooling.com"
description: "There are all kinds of methods online for distinguishing good mobile evaporative air coolers from bad ones. Is the quality of Aolan evaporative air coolers good? What method can help..."
categories:
  - "News"
image: https://tiercooling.com/wp-content/uploads/2026/09/RDF-26ABT-0005-2.jpg
word_count: 334
---

# How to Judge the Quality of Evaporative Air Coolers? – Rundongfang

There are all kinds of methods online for distinguishing good mobile evaporative air coolers from bad ones. [Is the quality of Aolan evaporative air coolers good?](http://www.rundongfang.com) What method can help us quickly and efficiently identify the quality of an evaporative air cooler?

　　1. The Housing

　　Why does the housing of some well-known evaporative air coolers look dull in color, while others have such a bright, vivid shell? For the color of an eco-friendly cooler housing, I can tell you for certain: if anti-aging engineering plastics are used throughout the process, the appearance will look more natural, and the housing will be sturdy, durable, low-carbon and environmentally friendly. A properly manufactured evaporative air cooler will not only look attractive, but can also last 7-10 years.

![](http://oss.rundongfang.com/3-12.jpg)

　　As for coolers with dull-colored housings, they are much more likely made from recycled plastic that has been reprocessed multiple times. Due to repeated reprocessing and re-injection molding, the durability of these materials is greatly compromised, and they easily age and become brittle and crack over time. Although such mobile evaporative air coolers have a low purchase price, real-world use by many customers has proven that their failure rate rises sharply over time.

　　2. Project Cases and Cooling Solutions

　Evaporative air coolers must be designed in a tailored way according to the actual conditions at the customer’s site. The appropriate model, in terms of size and air speed, must be selected based on the expected goals, ensuring that the air change rate of the entire workshop meets workers’ working requirements. For example, in summer, a workshop without any heat-generating equipment can achieve a good working environment with an air change rate of 30-40 times per hour, while a workshop with heat-generating equipment needs an air change rate of 40-50 times.

![](http://oss.rundongfang.com/9-1.jpg)

　　The higher the required air change rate, the larger the air volume of the selected evaporative air cooler needs to be. Therefore, model selection and design must be based on actual requirements and cannot be applied uniformly across the board.