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Avoiding the Silent Killer, Carbon Monoxide

When outdoor temperatures drop, it also gets colder inside our homes. Almost automatically, we turn on the heat and adjust the thermostat to a comfortable indoor temperature. However, many of us never consider whether our furnace exhaust system is up for the task. The furnace connector pipe and chimney make up this exhaust system and they must operate in a safe and efficient manner.

Carbon Monoxide Detector

Carbon Monoxide Detector

Safety is top priority for gas and oil furnace manufacturers so consumers have reason to assume their home heating systems will work properly. However, each time the system runs, there is a risk of carbon monoxide poisoning. The U.S. Consumer Product Safety Commission reports that more than 200 Americans die from carbon monoxide poisoning each year due to the venting of toxic gases that home heating systems generate.

Carbon-monoxide-related injuries are even more common, with approximately 10,000 cases diagnosed annually. Many people mistake low-level carbon monoxide poisoning for winter health issues. However, some people experiencing dizziness, fatigue, headaches, or seasonal depression are really suffering from prolonged carbon monoxide poisoning. Only when their heart, brain, or other tissues or organs suffer permanent damage do they discover their true condition.

Annual inspection and maintenance of the chimney system can prevent this deadly situation. Energy-efficient home construction and heating appliances may seem positive from a homeowner standpoint but they also contribute to carbon monoxide poisoning. With less fresh air entering the home, limited routes for polluted air to leave, and less than optimal system performance, a very risky situation may develop.

A professional chimney inspection reveals contributing conditions like buildup of soot, a deteriorating or damaged liner, a clogged passageway, or obstruction of the flue. It also identifies whether the chimney is the correct size for the heating system. Chimney cleaning removes soot deposits and other debris that may build up and prevent carbon monoxide from venting out of the home.

Burning the Proper Firewood

A blazing fire in the fireplace is made possible by selecting and burning the correct type of firewood. Well-seasoned firewood of the highest quality enables a fireplace or wood stove to burn cleaning and efficiently. Firewood that is wet or “green” may create odor, cause smoking, and contribute to rapid buildup of creosote. Burning improper firewood can even cause a chimney fire.

It's important to only burn seasoned firewood

Image courtesy of David Castillo Dominici / FreeDigitalPhotos.net

Well-seasoned firewood is 20 to 25 percent water, much less than the 45 percent water content of freshly cut wood. When seasoned wood is used, a fire will be easier to start, will burn cleaner, and more heat will be produced. Wood should sit for between six months and one year before burning so wind and sun can remove the water. It should be stored off the ground and protected from constant exposure to snow, rain, and other moisture.

Green wood is not as well-seasoned so the heat generated by combustion during a fire must dry the wood before the logs will burn. This consumes a large amount of energy, resulting in reduced heat distribution. The large amount of water released ends up as creosote, which deposits itself in the chimney and can create a hazardous condition.

Well-seasoned firewood is identified by darkened ends or visible splits or cracks. Each log is relatively lightweight and when two logs are hit together, a clunking sound emits. Firewood that is not well-seasoned has fresh-looking ends and is very heavy. When two green logs are struck together, a dull thud emits.

Investing in a wood shed featuring a roof and loose or open sides will allow air to circulate and dry the wood. If this is not feasible, store the wood in a sunny spot and cover the pile with a tarp during rainy or snowy weather. Wood can last for three to four years, providing plenty of fuel for many comfortable fires.

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