Tested Most Reliable by Lawrence Berkeley National Laboratory (LBNL).*
(click to download summary paper of these results);
LBNL Report LBNL-40556 (click to download entire report)*
Quantum Group Inc. manufactures all its carbon monoxide sensors in San Diego, CA.
BIOLOGIX Residential Carbon Monoxide Alarm Model B2011
Regular price: $55.00
Yes, you never know what your neighbor is doing as you share walls and ventilation systems. If you have a wood-burning fireplace, carbon monoxide could be present.