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How Often Should Ducts Be Cleaned

Duct cleaning is vital in home maintenance, but how often should ducts be cleaned for maximum efficiency? The answer depends on various factors, including the type of ducts you have, how often you use them, and the environment in which you place them. In this blog post, we will discuss the importance of duct cleaning and how to determine how often it should be done for your home.

How Often Should You Clean The Ducts?

The material will build in your ducts even with the most incredible filters. Some particles will get past the filter or enter the system in other ways. Don’t think that because your system has a filter, your ducts don’t need cleaning.

Your ducts will gather debris that will clog them up or degrade your house’s air quality when you switch on your HVAC system, especially for those who live in a location with construction, heavy pollution, or is unusually dusty or windy.

It would be best to clean an average duct system every three to five years. You may prolong the period between specialized cleanings if you maintain your unit very well and replace your filters twice a year.

If your AC unit hasn’t been cleaned in more than three years and has been active on your property, it’s time to clean it. Even a single season might cause your equipment to become less productive than it was initially installed due to dust and dirt build-up.

When is The Best Time to Clean Your Ducts?

The best time to clean your ducts is in the spring before you use your air conditioner regularly. This way, you can remove any missed debris during the cleaning before it has a chance to circulate through your home.

Cleaning your ducts in the fall is also an excellent idea because it will remove any pollen or spores that could cause allergies in the coming months.

If you have never had your ducts cleaned, or it has been more than five years, now is the time to do it. Regular cleaning will help improve the quality of your indoor air and extend the life of your HVAC system.

Signs Your Air Ducts Need Cleaning

If you’re unsure how often to have your ducts cleaned, there are a few signs indicating it’s time for a professional cleaning.

Clogged air filters

If you have to regularly replace filters in your HVAC system, this might indicate a more serious issue. Your filters should, without a doubt, be adjusted periodically. They should not get blocked after a few days of replacement. If they do, it indicates that the air ducts need to be checked.

Similarly, replacing your air filter every few months is suggested. During the summer and other seasons, the filters collect dust, dirt, pet hair, pollen, and other airborne pollutants.

A musty smell in your home

Mould may be forming within your air ducts if you sense a musty odour in your house. Since the vents are so large and broad, mould may occasionally develop undetected.

Furthermore, they often flow through your walls or even underground. Placing a flashlight up to the vents is the easiest method to check whether this is the case. You should consider cleaning your air ducts if you detect any discolouration or big build-ups.

Clogged vents and ducts

The existence of a little puff of dust when the HVAC system starts up is probably a clear symptom of unclean air ducts. When the heating and cooling system is turned on and the air begins flowing through the ducts, the air ducts typically do not emit visible dust or debris. As a result, visible dust indicates dusty air registers.

Poor or unstable airflow in the house

If certain rooms in the house are not receiving enough airflow or if the airflow is inconsistent, it may be a sign of clogged air ducts. Before you start changing your ventilation system, check for any blockages in your ductwork.

Vermin, rodents, or insect infestation

Another indication that your ducts need cleaning is if you have a pest problem in your house. Why is it vital to clean the air ducts after a bug infestation? It is done to keep allergies and other disease-causing bacteria from spreading. Dander from vermin, bug droppings, germs, and viruses may harm your health.

Your family has health problems.

If someone in your family is suffering from strange or unexplained health problems, it may be time to have your ducts cleaned. The person may be allergic to something in the house, such as mould spores or dust mites.

A professional air duct cleaning company will use high-powered vacuums and brushes to clean your ducts. They will also use specialized cleaners to remove any mould, mildew, or bacteria that may be present.


If you see any of the above signs, it’s time to get your ducts cleaned by a professional. Cleaning your air ducts is essential to maintaining a healthy home and improving indoor air quality. It is important to clean your ducts every three to five years to keep them free of dust, dirt, and other allergens.

How often you have your ducts cleaned depends on several factors, such as how often you use your HVAC system, whether you have pets or smokers, and whether anyone in the house has allergies or respiratory problems.

If you need help with duct cleaning, Furnace Repair Winnipeg offers a wide range of services to keep your home comfortable and your air quality high. Give us a call today to schedule a free consultation!

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