Improving Indoor Air Quality (IAQ): Expert Insights and Aid from HKT

The importance of IAQ

Indoor Air Quality (IAQ) refers to the suitability of some elements in the air for people’s life and work in a specific environment, such as hospitals, hotels, office, and school. The normal operation of the ventilation system is closely related to it. Good IAQ is beneficial to human comfort and health security.


Indoor air quality testing can address concerns about indoor air quality not only on a health but also on a psychological level. By detecting undesirable elements in the air and taking measures to eliminate them, people can make their living environment clean and the air they breathe fresh. The testing can be achieved through HKT indoor air quality sensor, which can be used to measure the quality of the air inside and around a building, providing accurate real-time data to help you maintain indoor air quality at a high level.


What affects indoor air quality conditions?

Indoor air quality conditions are influenced by a combination of factors that can impact the composition and cleanliness of the air within indoor spaces. These factors can vary depending on the location, building type, activities, and ventilation systems in use. CO2 levels, humidity and temperature are three primary examples that affect indoor air quality conditions.

How does CO2 level affect indoor air quality conditions?

As an important part of indoor air quality, CO2 level can serve as an indicator of indoor ventilation effectiveness. Although CO2 itself is not toxic, higher CO2 concentration may suggest inadequate fresh air exchange and ventilation, and cause people adverse physical effects such as lack of oxygen. Indoor air with higher CO2 concentrations may feel stuffy or stagnant. Long-term exposure to high levels of CO2 can lead to feelings of discomfort, drowsiness, reduced cognitive function, and decrease in study and work efficiency. In severe cases, it can lead to brain damage, fainting, and even death (CO2 level as high as 8,000 ppm).

How does humidity affect indoor air quality conditions?

Humidity is another key factor influencing indoor air quality conditions. Indoor air humidity should be in the appropriate range, not too high or too low. Maintaining a relative humidity range of around 30-60% is recommended. High humidity promotes mold growth and dust mite production, which releases allergens and mycotoxins that can negatively impact IAQ and occupants’ health. Excessive humidity can also make asthma symptoms worse. While low humidity levels can dry out skin, eyes, and mucosa and exacerbate respiratory issues.

How does temperature affect indoor air quality conditions?

Indoor air temperature can interact with indoor air humidity and affect indoor air quality conditions together. For instance, temperature affects the ability of air to hold moisture, balancing humidity and temperature helps maintaining optimal humidity levels. Besides, microorganisms such as mold are easy to multiply in high temperature environments in addition to moist environments, increasing the risk of respiratory problems such as allergies and asthma.

Why IAQ is important for hospitals, hotels, office, and school?

For hospitals, hotels, office, and school, IAQ is essential as these places are densely populated and IAQ directly affects the study, work, rest, and recuperation of people in different roles in these places. Each of these settings has unique characteristics and concerns related to IAQ.

Quality air without the possibility of infection is essential for the recovery and prevention of complications of sensitive patients with compromised immune systems in healthcare environments;  reduces allergens in hotels, ensuring a comfortable stay for all guests; positively affects job performance and job satisfaction among office workers, creating a more pleasant work environment; affects cognitive function, concentration, and learning outcomes in students, reducing asthma and allergy triggers for children with respiratory conditions.

HKT LoRaWAN Indoor Air Quality Sensor

Sometimes People’s senses are late to catch on in feeling the air quality, under the circumstances, HKT LoRaWAN Indoor Air Quality Sensor is there to aid.

The HKT LoRaWAN Indoor Air Quality Sensor is designed to sense pollutants in the air and provide real-time data to remind you whether you should open the window to ventilate. It is a temperature and humidity sensor and also has a wide range of other key measurement contents such as light, CO2 concentration, HCHO/O3 level, TVOC, barometric pressure, PM2.5, PM10 and motion are all included. With this All-in-One solution, you don’t need to look for other measurement equipment solutions.

During the installation process, 3M glue, or screw are the only fixing gadget needed. Incorporated with the LoRaWAN technology, delicate display screen and other innovative settings, HKT LoRaWAN Indoor Air Quality Sensor is set to transform indoor air quality monitoring experience.


Top LoRaWAN sensor devices solutions by HKT

HKT’s IAQ sensors and other lora sensors present the highest level of Smart IoT industry based on the LoRaWAN technology. Founded in 2010, with a professional experience of 10+ years, and a park area of over 40,000 square meters, HKT is committed to the R&D, manufacturing, and sales of high quality products with the lowest price, providing modern solutions such as Smart Park, Smart City, Smart Buildings, Smart Agriculture, Smart Utilities, and so on. With HKT, you can experience desirable services including:

  • ODM
  • Configuration guidance
  • After-sales services
  • Technical support
  • Distributor turning
  • Partnership offering
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