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Writer's pictureDry Master

Signs You Need Your Air Ducts Cleaned

1. Dirty Vent Covers

If your supply and return vent covers are covered in dust, it’s a strong sign your air ducts and HVAC system need cleaning. The dirt on your vent covers originates from your air ducts and gets pushed into your living space, impacting the air you breathe. Along with cleaning the vents, it’s a good idea to change your furnace filter, as dirty vents usually mean the filter is no longer effectively trapping debris.


2. Dark Filtration Lines

Air Filtration Lines

Noticing dark dust lines along your walls, ceilings, carpets, or baseboards near the vents? These are called filtration lines and are a common sign that your HVAC system needs attention. If left untreated, they can permanently stain your carpets and walls. A professional air duct cleaning can help prevent further damage and keep your home looking clean.


3. Excessive Dust in Your Home

If it feels like dust is constantly settling on your furniture no matter how often you clean, your air ducts may be to blame. Excessive dust buildup in ductwork can be pushed back into your home, causing dust to accumulate on surfaces quickly.


4. Recent HVAC Upgrades

After replacing parts of your HVAC system, like the furnace or ductwork, it’s wise to schedule a cleaning. Even new components can become contaminated by dirt in older duct sections, affecting their efficiency. A professional cleaning will protect your new investment and keep the system running smoothly.


5. Post-Construction Dust

After a home renovation or remodeling project, debris like drywall dust and sawdust can easily get swept into your ductwork. Air duct cleaning will remove these particles, ensuring they don't circulate through your home after construction.


6. Pet Owners

Dog on a chair

If you have pets that shed, fur and dander can easily build up in your HVAC system. Despite using high-quality air filters, some allergens will continue circulating until removed from your ductwork. Routine air duct cleaning can help improve indoor air quality, especially in homes with pets.


7. Household Smoking

Smoke from cigarettes or other sources contributes to indoor air pollution. Residual smoke particles cling to walls and ceilings and can find their way into your air ducts, making it essential to clean the system to maintain better air quality. A good furnace filter helps but won't capture everything.


8. Increased Allergy Symptoms

If you or your family members experience allergy-like symptoms such as coughing, sneezing, or congestion whenever the HVAC system is running, it may be time for a cleaning. Dust buildup in ducts can trigger these symptoms, especially during seasonal changes. Cleaning the system can reduce allergens in the air and help the HVAC operate more efficiently.


9. Uneven Temperatures or Airflow

If you’re noticing inconsistent temperatures or weak airflow from room to room, dust or debris might be clogging your air ducts. Cleaning your HVAC system will help restore even airflow and improve comfort throughout your home.


10. Higher Energy Bills

A spike in your energy bill could mean your HVAC system is working harder than it should due to restricted airflow from dirty ducts. Dust buildup can also affect your coils or air handling unit. Cleaning the system can boost efficiency and potentially lower energy costs.


11. Moving Into a New Home

Family moving into a new home

Before settling into a new home, consider scheduling an air duct inspection and cleaning. Many homes have never had their ducts cleaned, especially if they are several decades old. Whether it’s an older house or just one in need of a refresh, starting with clean air ducts is a great way to ensure a healthy environment from day one.


Dry Master Cleaning & Restoration


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