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Diagnosing a Smelly Chimney

In the summer, our staff at Hudson Chimney gets a lot of questions from our customers asking why their chimneys are so smelly. Several things can be behind unpleasant chimney odors, and these bad smells entering your home through the chimney and fireplace are intensified by the heat and humidity of summertime. Our certified chimney sweeps are very experienced with stinky chimneys and fireplaces, and they understand how to get rid of any bad odors from your hearth. To help you understand how chimneys can be smelly enough to affect the living spaces of your home, we would like to tell you more about the reasons behind stinky chimneys.

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NEGATIVE AIR PRESSURE

How do unpleasant odors enter your home through the fireplace and chimney? The answer to this question is negative air pressure in your house. If you seal up your home too tightly during the weatherizing process to prepare for the summer by keeping the cold air conditioned air indoors, this can force smoky air to enter your home from the fireplace instead of exiting out the chimney because the air has no way of escaping. Our chimney technicians at Hudson Chimney know how to deal negative air pressure problems. We have found that installing a top-sealing damper will promote proper air circulation and eliminate issues with negative air pressure.

CREOSOTE

Creosote is a natural compound that forms as a result of the combustion and condensation processes that occur when burning wood, according to the Chimney Safety Institute of America (CSIA). Made up of amorphous carbon, creosote clings to the inner walls of your chimney and will form large deposits if you allow them to accumulate by not scheduling a professional chimney sweeping every year to have them removed. These deposits are not just dangerous because they are extremely flammable, but they also smell badly. Creosote gives off a sour, acrid odor which is worsened by heat and humidity in the summer. Our CSIA-certified chimney sweeps at Hudson Chimney can easily take care of this problem by performing a thorough chimney cleaning and removing the source of this unpleasant smell.

OTHER CAUSES OF BAD ODORS

If you notice musty odors, your chimney may be suffering from chimney leaks. To prevent water from rain and melted snow from penetrating your chimney to create bad smells, our chimney technicians at Hudson Chimney can protect your chimney from water leaks by installing a chimney cap on the top of your chimney. This chimney cap will also prevent birds and animals from getting into your chimney to nest, which also causes unpleasant odors. Debris from their nesting materials and their droppings can smell badly, and in a worst case scenario, a bird or animal could possibly get trapped within your chimney and even die. This situation will result in very unpleasant odors within your chimney that could affect the living spaces in your home.

Do you have a smelly chimney? If so, contact Hudson Chimney so we can diagnose the odor problems and make your living situation better.