How Does a Chimney Work?

In this modern day and age, we hire a professional to come and ensure the items we have no knowledge about are in full working condition. Take a chimney for example. It’d be safe to assume the vast majority of the population don’t know the first thing about their chimney, which is why they call on us, the professionals, to make sure everything is safe. The team here at Pearson Sweep want to educate our readers a little and in this blog, we’re going to go over how exactly a chimney works…

Scientifically, hot air will rise in a room because is less dense than the cold air. A chimney’s basic design takes advantage of how this air behaves however, instead of aiming to remove this hot air, it will work in order to eliminate the hot gases from the heating unit and release them outside your home instead.

As these gases rise through the chimney, different pressures are created which are linguistically known as ‘draft’- which simply means the movement of the gases as the heating unit gathers fresher air into the appliance. In fact, the hotter the gases inside the chimney shaft compared to the temperature outside the home, the stronger the draft you will have. ‘Flow’ is the term given to the volume of fresh air that is brought into the heating unit and a chimney which has a strong draft also has a strong flow.

Now you’re up to date on how a chimney works, it’s time to call in the professionals to ensure everything is working smoothly on the inside. After all, nobody cleans a chimney better than a chimney sweep and we consider ourselves to be the best chimney sweep in Manchester!

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