02/02/2026
Carbon Monoxide: The Silent Killer You Can’t See or Smell
Carbon Monoxide (CO) is a colorless, odorless gas that can be deadly—even at low levels over time. Too often, families believe they’re protected because they have a standard CO alarm from a big-box store. Unfortunately, that isn’t always enough.
Why a Low-Level CO Monitor Matters
Most store-bought CO alarms don’t sound until levels reach 70 PPM or higher and stay there for hours. By then, symptoms may already be severe—especially for infants, children, elderly family members, or anyone with heart or respiratory conditions.
A low-level CO monitor, like the NSI 6000, detects carbon monoxide as low as 5 PPM, giving you an early warning before it becomes dangerous. Long-term exposure to levels above 15 PPM can cause illness and even permanent health effects.
Why the NSI 6000 Is Different
• Detects low-level CO that standard alarms miss
• Battery powered for protection during power outages
• Uses professional-grade sensor technology trusted by contractors and fire departments
• Bluetooth enabled to log CO history and events
• Continuous monitoring lets you know it’s working 24/7
How Many Do You Need?
Just like smoke detectors, CO monitors should be installed on every level of your home. Larger or multi-level homes may need more than one.
Best Placement
Eye-level mounting in areas with good airflow is ideal. Common locations include:
• Near bedrooms (especially the primary bedroom)
• Near heating equipment or water heaters
• Basements
• Nurseries
• Rooms with fireplaces or gas appliances
If Your Monitor Alerts
• Below 70 PPM: Call a CO-certified professional unless you have symptoms
• Above 70 PPM: Evacuate immediately and call 911
• If anyone feels dizzy, nauseous, short of breath, or has a severe headache—leave the home and seek emergency help
At Masterworks Mechanical, your family’s safety comes first. We’re trained, CO-certified professionals who can help you choose the right protection and ensure it’s installed correctly.
If you’re unsure whether your home is truly protected, give us a call, 970-824-4840. Your peace of mind is worth it.