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Advance Heating and Cooling Blog

Welcome to our blog at Advance Heating and Cooling! We are excited to share our expertise in the world of heating, ventilation, and air conditioning (HVAC) with you.



As a trusted provider of HVAC services, we understand the importance of maintaining comfortable indoor temperatures throughout the year. Our team of skilled professionals provides top-quality installation, repair, and maintenance services to ensure that your HVAC system operates at its best. 


In our blogs, we will cover a wide range of topics related to HVAC systems, including tips for improving energy efficiency, common HVAC issues and how to address them, the latest trends in HVAC technology, and more. We are committed to providing you with helpful information that will assist you in making informed decisions about owning or purchasing an HVAC system


Our technicians live in the world of HVAC. We’ve sold and serviced hundreds of furnaces, air conditioners, and heat pumps and we’ve learned a lot of useful information along the way. This blog is our way to pass that knowledge on to you at no charge. If you have an idea for a topic you would like to see us talk about, send us an email.  


Our main goal is to help you maintain a comfortable indoor environment and save money on your energy bills. We highly believe that an informed customer is a satisfied customer, and we work hard to give you the knowledge you need to make smart decisions about your HVAC systems. 

Thank you for joining us on this journey, and we look forward to sharing our knowledge with you.

Duct Cleaning and Maintenance in HVAC Systems

Duct with vent


Did you know that the average Canadian spends approximately 90% of their time indoors, where the air can be up to five times more polluted than outdoor air? Now, imagine what this means for your health and well-being.


HVAC systems are the lungs of your home, responsible for circulating clean, comfortable air. Neglecting maintenance can lead to a host of problems, including reduced efficiency, higher energy bills, and most importantly, potential health issues.


In this blog post, we will look at the vital role that HVAC ducts play in maintaining indoor air quality and comfort. We'll explore signs that your ducts may need attention, the numerous benefits of regular cleaning and maintenance, and the options for getting the job done right.


We understand how this can seem daunting and overwhelming at best. We are here to support you through this process. Our highly skilled team is one phone call or email away, so don’t be afraid to reach out for any of your HVAC needs.



The Role of Ducts in HVAC Systems

Ducts are the intricate network of pathways through which heated or cooled air travels from the central unit to different rooms in your home. They are a fundamental component of the HVAC system's distribution system, responsible for ensuring that conditioned air reaches every part of your living space.


This is why the condition of these ducts is very important.


Clean and well-maintained ducts are essential for optimal HVAC system performance. Clean ducts allow air to flow freely and efficiently, reducing energy consumption and helping to maintain a consistent temperature throughout the home. Well-maintained ducts can also prolong the life of your HVAC system, saving you money on repairs and replacements in the long run.


Dirty ducts can accumulate dust, debris, allergens, and even mold over time. When the HVAC system is in operation, it can recirculate these contaminants into the indoor air, leading to poor indoor air quality and potential health effects such as allergies, respiratory issues, and discomfort.



Preventative Maintenance

Regular maintenance not only extends the lifespan of your HVAC system but also enhances energy efficiency, resulting in lower utility bills.


We typically provide homeowners with a practical checklist encompassing tasks such as changing air filters, cleaning vents and ducts, inspecting thermostat settings, and examining outdoor units.


We also emphasize the value of annual professional HVAC inspections, which go beyond routine homeowner maintenance. These inspections involve comprehensive system evaluations, including checking for potential issues, cleaning components, and ensuring safety measures. By adhering to a well-rounded maintenance routine and investing in professional inspections, homeowners can enjoy a comfortable, energy-efficient home while preventing costly breakdowns down the road.



Signs Your Ducts Need Cleaning and Maintenance


Little boy sitting on couch with blanket while blowing nose.


Common indicators of dirty or clogged ducts include:

  • Visible Dust and Debris: If you notice an accumulation of dust, debris, or even cobwebs around your air vents or inside them, it's a clear sign that your ducts may be dirty.
  • Mold or Mildew Growth: The presence of mold or mildew in or around the ducts is a serious red flag, as it not only affects air quality but also poses health risks.
  • Unpleasant Odours: Foul or musty odours coming from your vents can indicate the presence of contaminants in your ducts.
  • Inconsistent Airflow: Rooms that are consistently hotter or colder than others can indicate blocked or obstructed ducts.
  • Increased Allergies or Respiratory Issues: An unexplained increase in allergies or respiratory problems among household members could be linked to poor air quality caused by dirty ducts.
  • Higher Energy Bills: If your energy bills have spiked without a change in usage patterns, it might be due to an inefficient HVAC system caused by dirty ducts.


These signs can affect the performance of your HVAC system in a few different ways. Here are some to keep in mind:

  • Reduced Efficiency: Dirt and debris in ducts can obstruct airflow, forcing the HVAC system to work harder to maintain desired temperatures. This reduces its efficiency and increases energy consumption.
  • Uneven Heating and Cooling: Blocked or clogged ducts can result in inconsistent temperatures throughout your home, leading to discomfort for occupants.
  • Shortened System Lifespan: Strain on the HVAC system caused by dirty ducts can lead to premature wear and tear, potentially requiring costly repairs or replacements sooner than expected.
  • Health Risks: There are serious health implications of poor indoor air quality stemming from dirty ducts, including aggravated allergies, respiratory issues, and potential mold-related illnesses.
  • Increased Maintenance Costs: Neglecting duct maintenance can lead to more frequent maintenance and repairs for the HVAC system, adding to your overall expenses.


Benefits of Duct Cleaning and Maintenance

Advantages of regular duct cleaning and maintenance include:


Improved Indoor Air Quality

One of the primary benefits is the removal of dust, allergens, and contaminants from the ducts, resulting in cleaner and healthier indoor air for occupants.


Enhanced HVAC System Efficiency

Clean ducts facilitate better airflow, reducing strain on the HVAC system and helping it operate at peak efficiency.


Consistent Temperature Control

Clean ducts distribute conditioned air evenly throughout your home, ensuring more consistent and comfortable temperatures in all rooms.


Extended HVAC System Lifespan

By reducing the workload on your HVAC system, regular maintenance can prolong its lifespan, saving you money on premature replacements.


Reduced Risk of Breakdowns

Preventative maintenance can catch and address potential issues before they lead to costly breakdowns, offering peace of mind.


Lower Energy Bills

A more efficient HVAC system, thanks to clean ducts, consumes less energy, resulting in reduced monthly utility bills.


Return on Investment (ROI)

The cost of duct cleaning and maintenance is often outweighed by the long-term savings in energy costs, repair bills, and extended system life.



Reduced energy consumption not only saves money but also reduces your carbon footprint, making it an environmentally responsible choice.


Allergy and Asthma Relief

Cleaner air reduces the presence of allergens and irritants, providing relief to those with allergies or asthma.


Respiratory Health

Improved indoor air quality can lead to better respiratory health, especially for children and the elderly.


Mold Prevention

Regular maintenance can detect and address mold growth, preventing potential health risks associated with mold exposure.



How to Clean and Maintain Ducts

Below are step-by-step instructions for DIY duct cleaning:

  1. Gather Necessary Tools: Have tools and materials needed for duct cleaning ready, such as a vacuum cleaner with a long hose, soft-bristle brush attachments, screwdrivers, and replacement air filters.
  2. Turn Off the HVAC System: You need to turn off the heating or cooling system before starting any cleaning to prevent debris from circulating.
  3. Remove Vent Covers: Carefully remove vent covers and set them aside.
  4. Vacuum Ducts: Use the vacuum cleaner with brush attachments to remove dust and debris from the duct walls.
  5. Clean Vent Covers: Clean and replace vent covers before turning the HVAC system back on.


If you’re needing to change your air filter, follow these steps:

  1. Regular Filter Changes: Regularly check and change HVAC system filters (usually every 1-3 months).
  2. Select the Right Filters: Choose the right type and size of air filters for your specific HVAC system.
  3. Clean Registers and Grilles: Clean and maintain air registers and grilles to ensure optimal airflow.


Frequency of Duct Cleaning

The recommended frequency for duct cleaning can vary depending on several factors, including climate and usage patterns.


Person writing in calendar book.


For example, in a typical suburban home with average usage, duct cleaning may be advisable every 3 to 5 years. In areas with high humidity or heavy pollution, more frequent cleaning might be necessary.



Is It Time to Call a Professional?

It's crucial to recognize that while many HVAC problems can be resolved with DIY troubleshooting, certain issues demand the expertise of a professional technician.


If you notice unusual or potentially dangerous situations such as sparking wires, gas odours, or persistent carbon monoxide detector alarms, immediate professional intervention is imperative for your safety and well-being.


Ultimately, when it comes to your HVAC system, safety should always take precedence, and for intricate or hazardous issues, entrusting a skilled technician ensures not only your comfort but also your peace of mind.


We are here to support you through this process. Our highly skilled team is one phone call or email away, so don’t be afraid to reach out for any of your HVAC needs.




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Vincent Afrouzi
Name: Vincent Afrouzi
Posts: 56
Last Post: June 3, 2024