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How Often Should Commercial HVAC Ducts Be Cleaned?

Commercial HVAC duct cleaning frequency guide by Top Air Duct Cleaning in Melbourne, showing recommended inspection and cleaning schedules for offices, hospitals, schools, gyms, retail centres and warehouses.

Most commercial buildings should have their HVAC ducts inspected every year and cleaned every 3 to 5 years. Busy or high-risk buildings, like hospitals, gyms and shopping centres, often need cleaning sooner. The best schedule is not a fixed date. It is a yearly inspection, with cleaning when the results say so. Below, we break […]

Can Dirty Air Ducts Cause Headaches? Signs, Causes and Fixes

Can dirty air ducts cause headaches? Top Air Duct Cleaning Melbourne infographic showing dirty ducts, indoor air quality concerns, common symptoms, and professional duct cleaning solutions.

Yes, dirty air ducts can contribute to headaches. Dust, mould spores and allergens blown through your vents can trigger sinus and allergy-type headaches, but ducts are rarely the only cause. If you have headaches at home and use gas ducted heating, rule out carbon monoxide first. Below, we cover the signs, the causes and the […]

What Really Happens During Professional Air Duct Cleaning in Melbourne?

Professional air duct cleaning in Melbourne by Top Air Duct Cleaning, showing HEPA vacuum extraction, duct cleaning steps, and before-and-after duct results.

The professional air duct cleaning process has six steps: inspection, protecting your home, sealing vents, extraction with a HEPA vacuum, brushing, and a final check. A good team cleans the inside of your ducts, not just the vents you can see. Most Melbourne homes take about 2 to 4 hours. If a cleaner only wipes […]

Why Is Black Dust Coming From Vents?

Why Is Black Dust Coming From Vents?

Why is black dust coming from vents? Learn the likely causes, health and HVAC risks, and when professional duct cleaning can help restore clean airflow.

Why Your Aircon Smells Musty

Why Your Aircon Smells Musty

If your aircon smells musty, mould, dust or trapped moisture may be the cause. Learn what it means, what to do, and when to book cleaning.