Carbon Monoxide Safety in the Garage

Carbon monoxide (CO) is a colorless, odorless gas produced by fuel‑burning engines and appliances. Because garages often house vehicles, tools, and equipment that generate CO, proper safety practices are essential to protect your home and family.

Why Carbon Monoxide Is Dangerous

  • CO is invisible and odorless, making it difficult to detect
  • Exposure can cause headaches, dizziness, nausea, or confusion
  • High concentrations can be life‑threatening
  • CO can seep from the garage into living spaces

Common Sources of CO in Garages

  • Idling vehicles
  • Gas‑powered tools or generators
  • Propane heaters or grills
  • Faulty water heaters or furnaces located in the garage

Safe Practices to Prevent CO Buildup

  • Never run a vehicle inside the garage, even with the door open
  • Do not use gas‑powered tools indoors without proper ventilation
  • Keep the garage door fully open when operating fuel‑burning equipment
  • Avoid using grills, heaters, or generators inside the garage

Protecting Your Home from CO

  • Install CO detectors near the garage entry door
  • Ensure the door to the home has proper weatherstripping
  • Seal gaps or cracks in walls shared with the garage
  • Keep the garage well‑ventilated during and after equipment use

Garage Door & Opener Considerations

  • Ensure the door opens fully before starting a vehicle
  • Use smart controls or timers to avoid accidental door closure
  • Test the opener’s battery backup to ensure operation during outages
  • Keep sensors and tracks clear to prevent unexpected door failures

Signs of CO Exposure

  • Headache or dizziness
  • Nausea or vomiting
  • Shortness of breath
  • Confusion or fatigue

If you suspect CO exposure, leave the area immediately and seek fresh air.

When to Call a Professional

  • CO detectors alarm or show elevated levels
  • Garage appliances show signs of malfunction
  • Ventilation systems appear blocked or damaged
  • You notice exhaust odors near the garage entry door

Carbon monoxide safety is essential for any home with an attached garage. With proper ventilation, safe equipment use, and reliable CO detection, you can protect your family from this invisible hazard.