On or after July 1, 2010:
- Carbon monoxide alarms are required when a landlord enters into a rental agreement for buildings containing dwellings having a carbon monoxide source.
On or after April 1, 2011
- Carbon monoxide alarms are required in all dwellings containing a carbon monoxide source when ownership is transferred.
- Carbon monoxide alarms are required in all rental dwellings containing a carbon monoxide source.
Carbon Monoxide Sources
- A heater, fireplace, furnace, appliance or cooking source that uses coal, wood, petroleum products, and other fuels that emit carbon monoxide as a byproduct of combustion.
- Petroleum products include, but are not limited to, kerosene, natural gas, or propane.
- An attached garage with a door, ductwork, or ventilation shaft that communicates directly with a living space.
- All carbon monoxide alarms must be installed in accordance with the manufacturers installation instructions.
Carbon monoxide alarm(s) must be installed either within each bedroom or within 15 feet outside of each bedroom door in all dwellings.
- Additional alarms must be installed in any enclosed common areas within a multi-family building if the common area is connected by a door, ductwork, or ventilation shaft to a room containing a carbon monoxide source (A garage for example) and a dwelling unit.
Carbon monoxide alarms should not be installed in:
- Garages and kitchens
- Direct sunlight or areas prone to temperature extremes such as attics and crawl spaces
- Extremely dusty, dirty, humid or greasy areas
- In electrical outlets covered by curtains or other obstructions
- In turbulent air such as near ceiling fans, heat vents, air conditioners, fresh air returns, or open windows.
- Directly above or beside fuel-burning appliances
- Within 15 feet of heating and cooking appliances or in or near very humid area such as bathrooms
Carbon monoxide alarms can be operated solely by a battery or receive their primary power from house wiring. Ten year lithium batteries are not required for carbon monoxide alarms alone or in smoke/carbon alarm combination units
Information obtained from:
- Oregon Office of State Fire Marshal “Carbon Monoxide Questions & Answers June 2010”
- Temporary Rules Filed by the Office of the Oregon State Fire Marshal April 8, 2010
Download our printable flyer - Carbon Monoxide Alarms.