The Densest City on Earth: Kowloon Walled City in Hong Kong


Kowloon Walled City was a remarkable and unique urban settlement located in Kowloon, Hong Kong. Its history dates back to the Song Dynasty (around the 10th century), when a military outpost was established in the area. However, it gained significant attention and underwent drastic transformations during the 20th century.

Effective Pest Control in Office Buildings: Ensuring a Productive and Hygienic Workplace

Maintaining a pest-free environment is crucial for any office building to ensure a productive and healthy workspace for employees and clients alike. Pests not only pose health risks but can also damage property, disrupt daily operations, and tarnish the company's reputation. In this article, we will explore the importance of pest control in office buildings and provide actionable tips to create an office space free from unwanted intruders.

Is Sick Building Syndrome Common? Unraveling the Facts

In today's fast-paced world, many of us spend a significant portion of our time indoors, whether at home, work, or other indoor environments. As our lives become more centered around indoor spaces, concerns regarding indoor air quality and health have grown. One such concern is the occurrence of Sick Building Syndrome (SBS). In this article, we'll explore the concept of Sick Building Syndrome, its potential causes, symptoms, and preventive measures. So, let's dive in and uncover the truth about whether Sick Building Syndrome is common.

How To Avoid Health Risks Associated With Air Conditioning

Given that the majority of people in the United States spend about 90% of their time indoors, the quality of indoor air can have a significant impact on overall health and well-being. Unfortunately, many people overlook one common contributor to indoor air quality: air conditioning, which is widely used in U.S. homes.

Why Does My Air Conditioning Unit Increase CO2 Levels?

increased levels of CO2 from air conditioning

Chart showing increased levels of CO2 from air conditioning unit.  How does this happen?  Can anyone explain why a newly installed air conditioning unit would increase CO2 levels in my home?

Do HEPA (High-Efficiency Particulate Air) Filters Catch Viruses?

HEPA filter diagram

Yes, HEPA (High-Efficiency Particulate Air) filters are capable of capturing viruses, including some types of airborne viruses. 

What Causes Sick Building Syndrome?


Sick Building Syndrome (SBS) is a term used to describe a range of symptoms experienced by individuals who spend time in a particular building, typically an office or other indoor space. 

While the exact causes of SBS are not fully understood, several factors have been identified as potential contributors:

10 Causes of Sick Building Syndrome (SBS)

Sick Building Syndrome (SBS)

Sick building syndrome (SBS) is a condition where building occupants experience a range of symptoms such as headache, fatigue, irritation of the eyes, nose, or throat, skin rash, and respiratory problems. 

The exact causes of SBS are not well understood, but there are several factors that can contribute to its development, including:

Guide To Identifying Weak Concrete

weak concrete

Understanding The Issues That Could Arise With Concrete