Common Dangerous Gases You Can Find in Homes

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Common Dangerous Gases You Can Find in Homes

Homeowners have no shortage of problems to keep an eye out for, from fire hazards to leaky pipes. For example, various gases can accumulate inside your house unexpectedly.

Don’t worry; today, we’ll discuss the most common dangerous gases you can find in homes so that you can adequately prepare. If you want to upgrade your home defense to prevent gases from seeping in unseen, browse the helpful list below.

Carbon Monoxide

Carbon monoxide (CO) detectors are like smoke detectors and fire extinguishers; all three safety tools are essential for any household. Unfortunately, while many folks know the dangers of fire, not everyone is privy to the threat this odorless, colorless gas poses.

Carbon monoxide exposure displays similar symptoms to the flu, including nausea, headaches, and weakness. Furthermore, prolonged exposure to this gas is deadly, which is why having a quality, functioning detection device at home is invaluable. Carbon monoxide accumulation typically occurs as a result of burning fuel in a poorly ventilated area.

For instance, broken furnaces in the basement or gas-powered cars running in a closed garage can cause toxic levels of CO to build up. To prevent encounters with this home hazard, install a quality CO detector and consistently inspect home appliances that require fuel to run.


Radon might sound like a comic book character, but it’s a very real threat in residential homes. Like carbon monoxide, radon is odorless and invisible. Not only is it hard to spot, but it’s a leading cause of cancer in the United States, so it’s no minor issue. Plus, radon is a naturally occurring hazard that forms after uranium breaks down in the soil on your property.

Frequently, radon seeps into basements through cracks in the floor, which is why learning the basics of radon mitigation systems is critical for your safety. By partnering with a professional for a radon assessment as soon as possible, you can prevent deadly health complications.

Technically, you can buy at-home radon test kits, but accuracy will vary. Given the substantial safety hazards this radioactive gas poses, consider leaving inspections and prevention measures to the trained experts.

VOCs in Paint

In some instances, the most common dangerous gases you can find in homes are hazards homeowners bring onto the property willingly. For example, many paints contain volatile organic compounds (VOCs) that are incredibly toxic to human health, with side effects ranging from nausea to organ damage. Additionally, VOCs in paint contain carcinogens, such as benzene, which hinder air quality to a dangerous degree.

Taking simple steps like ensuring proper ventilation when painting can help keep air quality ideal. However, there are further measures you can take to ensure minimal exposure. When buying paint, consider choosing low-VOC options on the market. Likewise, avoid storing open cans of paint in your home so that VOCs don’t leak out and accumulate over time.

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