How Often Should You Test Your CO Detectors?
The recommended CO detector testing schedule, including monthly function tests, battery replacement, and full unit replacement timing.
Testing
Free or Low-Cost CO Detector Programs Worth Knowing About
Find free CO detector distribution programs offered through fire departments and utility companies, given this hazard’s safety priority status.
Common CO Detector Mistakes That Reduce Effectiveness
Avoid these common CO detector mistakes — wrong placement, neglected battery maintenance, and using expired units.
When to Choose Professional Carbon Monoxide Testing Over a DIY Kit
Learn when professional carbon monoxide detection and home safety testing is needed instead of a DIY kit. Practical guidance for homeowners.
DIY Carbon Monoxide Test Kits: What Actually Works
There is no mail-in lab test for carbon monoxide. Here is what the four things sold as DIY CO test kits actually measure, and which one answers your question.