5 Reasons Your Chimney Might Be Emitting Odours

Chimneys are essential for safely venting smoke and harmful gases from your home. However, sometimes they can also be sources of unpleasant odours. At Twin Chimney Service, we understand how disruptive these smells can be to your comfort and indoor air quality. Here are five common reasons why your chimney might smell and how our expert team can address these issues.

1. Creosote Buildup

Reason for Odour: Creosote is a tar-like substance that accumulates in your chimney from burning wood. It has a strong, smoky odour that becomes more noticeable in hot, humid weather or during the rainy season.


Solution: Regular chimney cleaning is crucial to remove creosote deposits and prevent the smell from seeping into your home. Twin Chimney Service offers comprehensive chimney cleaning services that ensure your chimney is free from creosote and other combustible deposits.

2. Water Penetration

Reason for Odour: Moisture can enter an improperly sealed chimney and mix with soot and creosote, leading to musty odours. Persistent moisture can also lead to mould growth, which exacerbates the smell.

Solution: We provide expert chimney waterproofing services to protect your chimney from water intrusion. Proper sealing and timely repairs of cracks or leaks are vital in controlling moisture and associated odours.

3. Animal Nests

Reason for Odour: Birds, squirrels, or other small animals often find chimneys a convenient place to nest, bringing in various debris and waste that can emit odours.

Solution: Installing a chimney cap can prevent animals from entering the chimney. Twin Chimney Service can assist with the installation of chimney caps and remove any existing nests, following local wildlife protection guidelines.

4. Negative Air Pressure

Reason for Odour: Negative air pressure in your home can draw air down the chimney, bringing with it soot and odours that should otherwise escape outside.

Solution: Adjusting the air pressure within your home by ensuring adequate ventilation can help. Our team can evaluate your home’s ventilation and suggest modifications to alleviate this issue.

5. Ash and Debris

Reason for Odour: Accumulation of ash and other burning debris in the fireplace can sometimes cause a pungent smell, especially if not cleaned regularly.

Solution: Ensuring your fireplace and the base of the chimney are clean will help minimise odours. Regular maintenance and inspections by Twin Chimney Se

Contact Twin Chimney Service for Expert Care

If chimney odours are affecting your home’s comfort, don’t hesitate to contact us. Our experienced team at Twin Chimney Service is equipped to diagnose and resolve any chimney-related issue, ensuring your chimney functions beautifully and odour-free.