Which Tools Are Best for Cleaning Your HVAC Unit?

February 02, 2021

Cleaning your HVAC system improves its performance, prolongs the life of its components, and eliminates the health hazards trapped inside it. If you're planning to DIY, it will be essential for you to have the right tools. Here are some of the best tools for cleaning your system.

Vacuum Cleaner

If you want optimum HVAC cleaning results, purchase a heavy-duty vacuum cleaner. However, you can still get good results with a conventional model. You'll need the device to clean your vents and air ducts. You can also use it to vacuum the visible buildup on your AC coils and exterior fins.


You'll need a screwdriver to unfasten your grilles and duct covers during cleaning. You might also need it to open up parts of your HVAC unit, such as the blower door and fan cage.


A dust brush with a long handle and stiff bristles is excellent for cleaning air ducts. It helps you loosen the stubborn debris that a vacuum device can't remove. You can use a soft brush to remove dust from the HVAC coils.

Coil Cleaner

A coil-cleaning solution collects dirt and other contaminants when sprayed on the HVAC coils. You'll need to spray the cleaner on as evenly as possible and allow it to sit for a couple of minutes. It is recommended that you wear protective gear like gloves and eyewear to prevent direct contact between your skin and the coil cleaner.

Fin Comb

As you remove dust, dirt, and other contaminants from your AC unit, you may notice coil fins that have been bent or warped. It's crucial to straighten the fins to avoid reducing your unit's efficiency. A fin comb straightens out the fins and removes hard-to-reach debris. You'll need to ensure the fin combs you purchase have the right number of fins per inch to match your coils' fin spacing.

New Filter

After finishing your cleaning, you'll need to replace your furnace filter. Make sure you get a compatible filter.

Cleaning your HVAC system requires time, dexterity, and precise movements. If you don't have the patience or motor skills necessary to perform the task, you can always contact a professional, like those at Aggressive Mechanical Contractors, for help with HVAC cleaning and maintenance in Monmouth or Ocean counties.