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Open your windows and ventilate!



High levels of carbon dioxide (CO2) in your home can have several effects on your health and well-being. While CO2 is not typically harmful at normal indoor concentrations (which are usually around 400-1,000 parts per million), prolonged exposure to elevated levels can lead to a range of symptoms and health issues:


1. Headaches: One of the most common symptoms of high CO2 levels is headaches. This is often one of the earliest signs of elevated CO2 and can occur even at levels below those considered harmful.

2. Dizziness and Drowsiness: Increased CO2 can cause feelings of dizziness and drowsiness, which can impair concentration and alertness.

3. Shortness of Breath: Breathing in high levels of CO2 can lead to a sensation of shortness of breath or difficulty breathing, especially in individuals with respiratory conditions.

4. Increased Heart Rate: Elevated CO2 levels can cause the heart to beat faster as the body tries to compensate for the decreased oxygen levels in the blood.

5. Impaired Cognitive Function: High CO2 levels can impair cognitive function, leading to difficulty concentrating, memory problems, and reduced decision-making ability.

6. Fatigue and Weakness: Prolonged exposure to elevated CO2 can cause feelings of fatigue and weakness, making everyday tasks more challenging.

7. Nausea: Some individuals may experience nausea or an upset stomach when exposed to high levels of CO2.

8. Increased Risk for Cardiovascular and Respiratory Issues: Long-term exposure to high CO2 levels can increase the risk of developing cardiovascular and respiratory problems, particularly in individuals with pre-existing conditions.


To reduce the risk of high CO2 levels in your home, ensure proper ventilation, especially in areas where CO2 can accumulate, such as kitchens, bathrooms, and bedrooms. Regularly maintain and inspect fuel-burning appliances to prevent the buildup of CO2 and other pollutants. Additionally, consider installing a carbon dioxide detector to monitor indoor CO2 levels and provide an early warning if levels become elevated.


Southern Idaho Home Inspections offers indoor air quality testing. Call us today to schedule your appointment.

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