The Alberta Building Code requires that a carbon monoxide detector be installed on each level of your home. When a new home heating system is installed one of the items that the inspector will look for is a detector. You can purchase a detector with your furnace installation from Dyand
The Carrier AC powered plug-in carbon monoxide alarms utilizes sophisticated electronic components and unmatched sensor technology to prtect homeowner's from the dangers of CO. These units include battery backup that provides continuous monitoring of CO levels, even during power outages, when AC-only units are not providing protection. These units will detect and store measured data of concentrated CO levels as low as 30 and up to 999 PPM with its peak level memory display. This alarm give you several mounting options, including: direct-plug, a 6' power cord or table top.
Loud audible alarm
Continuous digital display
Peak level button showing the latest peak CO level
Test/Reset button functions
Rechargeable Lithium ion battery that protects during power outages and never needs replacement