Consequences of carbon dioxide in the interior of buildings and homes

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September 22, 2020

CO2 is a gas that can negatively affect people. The effects it has on the environment due to atmospheric pollution are well known. However, it is also interesting to know the consequences of carbon dioxide in the interior of buildings and homes.

  • Why is there carbon dioxide in the interior of buildings and homes?

Usually, the largest amount of carbon dioxide in the interior of a building or home originates from the breathing of the people inside. But when levels are higher than normal, there may be other reasons, for example, outdoor air coming in, too many people in a room, or inadequate ventilation.Within current regulations, there is a document called NTP 742, Technical Prevention Notes, on “General Ventilation of Buildings”, which outlines the quality of indoor air and is measured based on the presence of carbon dioxide allowed in the building or home. Ventilation standards are established taking into account the CO2 produced by its inhabitants.

Air quality is assessed based on the following classification:

  • Less than 350 ppm (parts per million). High indoor air quality.
  • Between 350 and 500 ppm. Good indoor air quality.
  • Between 500 and 800 ppm. Moderate indoor air quality.
  • Between 800 and 1200 ppm. Low indoor air quality.
  • More than 1200 ppm. Poor indoor air quality.

  • What are the consequences of carbon dioxide in the interior of buildings and homes?

It is clear that a large amount of CO2 in a home results in poor or even bad air quality. But furthermore, it can directly affect the health of those who inhabit the home or building. Carbon dioxide in the interior of buildings and homes can cause physical problems at the renal and skeletal levels, as well as stress.

When CO2 levels are very high, between 1,000 and 2,000 ppm, a person may feel drowsy. If these levels are even higher, symptoms can include headaches, nausea, increased heart rate, and concentration problems.

  • What is the appropriate level of carbon dioxide in the interior of homes and how can it be achieved?

Currently, there are a good number of studies that pin down the appropriate amount of carbon dioxide in homes, rooms, and other buildings between 400 ppm and 800 ppm..

It is important for enjoying good health and ensuring that the home is comfortable. There are some tips to keep in mind that will help you reduce the presence of CO2 in your home:

  • Water heaters. It is essential that water heaters operate correctly. You should keep in mind that electric ones emit CO2 and thus it is advisable to check them periodically.
  • Heating. It is necessary to review the efficiency of heating systems to avoid using them at higher performances than needed.
  • Appliances. It is recommended to limit the use of gas appliances as much as possible.
In the market, you can find carbon dioxide meters. They are very easy to use devices that will help you determine if the presence of CO2 in your home is adequate, allowing you to take necessary measures.

Additionally, if you have any questions related to this matter, contact our team of experts who can provide the advice you need.

Siber Ventilation

Manufacturer of High Energy Efficiency Ventilation Systems. Siber provides a set of high energy efficiency solutions in wind and mechanically intelligent ventilation, improving the Health, Hygiene, and Comfort of people, being respectful of the environment.

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