Part 4 of 4 – Carbon Monoxide Detectors

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How can I prevent CO poisoning?

  • Purchase and install carbon monoxide detectors with labels showing that they meet the requirements of the new UL standard 2034 or Comprehensive Safety Analysis 6.19 safety standards.
  • Make sure appliances are installed and operated according to the manufacturer’s instructions and local building codes. Have the heating system professionally inspected by an InterNACHI inspector and serviced annually to ensure proper operation. The inspector should also check chimneys and flues for blockages, corrosion, partial and complete disconnections, and loose connections.
  • Never service fuel-burning appliances without the proper knowledge, skill and tools. Always refer to the owner’s manual when performing minor adjustments and when servicing fuel-burning equipment.
  • Never operate a portable generator or any other gasoline engine-powered tool either in or near an enclosed space, such as a garage, house or other building. Even with open doors and windows, these spaces can trap CO and allow it to quickly build to lethal levels.
  • Never use portable fuel-burning camping equipment inside a home, garage, vehicle or tent unless it is specifically designed for use in an enclosed space and provides instructions for safe use in an enclosed area.
  • Never burn charcoal inside a home, garage, vehicle or tent.
  • Never leave a car running in an attached garage, even with the garage door open.
  • Never use gas appliances, such as ranges, ovens or clothes dryers to heat your home.
  • Never operate un-vented fuel-burning appliances in any room where people are sleeping.
  • During home renovations, ensure that appliance vents and chimneys are not blocked by tarps or debris. Make sure appliances are in proper working order when renovations are complete.
  • Do not place generators in the garage or close to the home. People lose power in their homes and get so excited about using their gas-powered generator that they don’t pay attention to where it is placed. The owner’s manual should explain how far the generator should be from the home.
  • Clean the chimney. Open the hatch at the bottom of the chimney to remove the ashes.  Hire a chimney sweep annually.
  • Check vents. Regularly inspect your home’s external vents to ensure they are not obscured by debris, dirt or snow.
In summary, carbon monoxide is a dangerous poison that can be created by various household appliances. CO detectors must be placed strategically throughout the home or business in order to alert occupants of high levels of the gas.
Scott Price, CPI, #1532
Certified Home Inspector
Home Run Inspections
405-905-9175
homeruninspections@icloud.com
Serving the Oklahoma City metro and surrounding areas including Edmond, Guthrie, Cashion, Yukon, Moore, Norman, Chickasha, Midwest City/Del City, Bethany, El Reno, Shawnee, Harrah, and more.

Schedule Inspections Online at:
www.Home-RunInspections.com
Like us on Facebook: www.facebook.com/homeruninspections
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#homesafety #codetectors #internachi

Part 3 of 4 – Carbon Monoxide Detectors

COdetectorplacement
CO Detector Placement

CO detectors can monitor exposure levels, but do not place them:

  • directly above or beside fuel-burning appliances, as appliances may emit a small amount of carbon monoxide upon start-up;
  • within 15 feet of heating and cooking appliances, or in or near very humid areas, such as bathrooms;
  • within 5 feet of kitchen stoves and ovens, or near areas locations where household chemicals and bleach are stored (store such chemicals away from bathrooms and kitchens, whenever possible);
  • in garages, kitchens, furnace rooms, or in any extremely dusty, dirty, humid, or greasy areas;
  • in direct sunlight, or in areas subjected to temperature extremes. These include unconditioned crawlspaces, unfinished attics, un-insulated or poorly insulated ceilings, and porches;
  • in turbulent air near ceiling fans, heat vents, air conditioners, fresh-air returns, or open windows. Blowing air may prevent carbon monoxide from reaching the CO sensors.

Do place CO detectors:

  • within 10 feet of each bedroom door and near all sleeping areas, where it can wake sleepers. The Consumer Product Safety Commission (CPSC) and Underwriters Laboratories (UL) recommend that every home have at least one carbon monoxide detector for each floor of the home, and within hearing range of each sleeping area;
  • on every floor of your home, including the basement (source:  International Association of Fire Chiefs/IAFC);
  • near or over any attached garage. Carbon monoxide detectors are affected by excessive humidity and by close proximity to gas stoves (source:  City of New York);
  • near, but not directly above, combustion appliances, such as furnaces, water heaters, and fireplaces, and in the garage (source:  UL); and
  • on the ceiling in the same room as permanently installed fuel-burning appliances, and centrally located on every habitable level, and in every HVAC zone of the building (source:  National Fire Protection Association 720). This rule applies to commercial buildings.

Scott Price, CPI, #1532
Certified Home Inspector
Home Run Inspections
405-905-9175
homeruninspections@icloud.com

We cover all of the bases!

Serving the Oklahoma City metro and surrounding areas including Edmond, Guthrie, Cashion, Yukon, Moore, Norman, Chickasha, Midwest City/Del City, Bethany, El Reno, Shawnee, Harrah, and more.

Schedule Inspections Online at:

www.Home-RunInspections.com
Like us on Facebook: www.facebook.com/homeruninspections
Follow us on Twitter: www.Twitter.com/HomeRunInspect2

http://www.home-runinspections.com/

Part 2 of 4 – Carbon Monoxide Detectors

Potential Sources of Carbon Monoxide

Any fuel-burning appliances which are malfunctioning or improperly installed can be a source of CO, such as:
  • furnaces;
  • stoves and ovens;
  • water heaters; Cars should never be left running in a garage
  • dryers;
  • room and space heaters;
  • fireplaces and wood stoves;
  • charcoal grills;
  • automobiles;
  • clogged chimneys or flues;
  • space heaters;
  • power tools that run on fuel;
  • gas and charcoal grills;
  • certain types of swimming pool heaters; and
  • boat engines.

 

PPM % CO
in air
Health Effects in Healthy Adults Source/Comments
0 0% no effects; this is the normal level in a properly operating heating appliance
35 0.0035% maximum allowable workplace exposure limit for an eight-hour work shift The National Institute for Occupational Safety and Health (NIOSH)
50 0.005% maximum allowable workplace exposure limit for an eight-hour work shift               OSHA
100 0.01% slight headache, fatigue, shortness of breath,
errors in judgment
125 0.0125% workplace alarm must sound (OSHA)
200 0.02% headache, fatigue,
nausea, dizziness
400 0.04% severe headache, fatigue, nausea, dizziness, confusion; can be life-threatening after three hours of exposure evacuate area immediately
800 0.08% convulsions, loss of consciousness;
death within three hours
evacuate area immediately
12,000 1.2% nearly instant death

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