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Having an unidentified odour in your home or office is never a pleasant experience. It decreases the sale value of your home, makes it difficult to concentrate at work, and generally disrupts your comfort. Besides, a mysterious odour could be a dangerous sign that something is wrong, whether it’s with your plumbing, ventilation, or another cause. There are many possibilities, which is why it takes an expert to identify and correct the problem. Here are some of the most common causes of strange household smells and how Pitton Plumbing can fix them.


Pipe leaks are one of the most common causes of odours. Whether your pipes have experienced freeze-thaw cycles, foundation shifts, damage during construction, or just general aging and breakdown, they can develop leaks. These leaks can cause mould to grow above your ceiling, which may create an unpleasant odour. This is not only inconvenient, but also unhealthy, as mould aggravates allergies and causes respiratory illness. In addition, damaged or improperly-installed vent pipes (pipes that remove sewer gases), a broken sewer line (underground pipes that connect to the main sewer), or a drain blockage could also be the cause of the unpleasant smell. Sewer gas leaks can be particularly harmful, as sewer gas contains dangerous—even deadly—gases, such as ammonia, methane, and carbon dioxide. Pitton Plumbing experts can solve these issues by identifying and repairing the damaged equipment. If the odour is coming from the main sewer, we use video equipment to detect the issue and sewage pumping to resolve the issue. If it is coming from the pipes themselves, we may use a smoke test to uncover the cause of the leak.


If moist areas like bathrooms and basements aren’t getting enough air movement, they could develop mould. In order to avoid this, you can install a ventilation system that helps regulate your humidity. And if you are already experiencing mould growth, Pitton Plumbing experts use non-invasive techniques to discover and remove the source of the mould.

Other Causes

Animals burrowing in your attic can cause smells not only through droppings and urine (which can leak through the ceiling) but also through damaging the structure of the home, which leads to mould. We can fix any plumbing or ventilation problems household pests may cause. If your home or office recently underwent construction, the chemicals released during this process may linger for a while, but should eventually leave. Be aware that the smell may also come from natural gas energy sources. If you suspect this problem, call your gas supply company to check the leak.

Pitton Plumbing to the Rescue!

No matter the source of the unpleasant smell in your home or business, Pitton Plumbing will uncover it and remove it! We don’t want your home or office to be a place of suffering, so call us at 1-800-499-4184 to book a service and say goodbye to unwelcome odours.


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