Yes, but the effectiveness depends on the technology used. Most systems improve air quality by filtering air as it passes through the unit, capturing dust, pollen and larger particles. More advanced systems go further by actively neutralising pollutants. For example, some technologies use ionisation or hydroxyl radicals to inhibit bacteria, viruses and odours in the air and on surfaces.

However, it’s important to understand that not all systems perform the same. Basic filters improve air quality to a degree, while advanced purification systems provide broader protection against finer particles and airborne contaminants.

Standard filtration works by physically trapping particles such as dust and allergens as air passes through a filter. This is effective for general air quality improvement but has limitations with very fine particles and microorganisms.

Advanced air purification technologies actively interact with pollutants in the air. For example, systems using ionisation or hydroxyl radicals can help break down or inhibit bacteria, viruses, mould and odour causing substances, rather than just trapping them.

This is why two air conditioners with “air purification” can perform very differently depending on the technology used.

Panasonic nanoe™ X is an air purification technology built into some air conditioners that uses hydroxyl radicals contained in water to neutralise pollutants. These particles can help inhibit bacteria, viruses, mould, allergens and odours, both in the air and on surfaces.

Unlike basic filters, this type of technology actively disperses through the room and can reach fabrics and surfaces, not just the air passing through the unit.

It’s worth considering if indoor air quality is a priority, especially for allergy sufferers or homes exposed to dust, smoke or pollutants. Just keep in mind that results can vary depending on room size, airflow and usage.

In many cases, they can reduce the need for a separate air purifier, especially when using advanced purification technologies. Systems with strong filtration and active purification can improve overall air quality while cooling or heating your home.

However, standalone air purifiers may still be beneficial in specific situations, such as small enclosed rooms, high pollution environments or where medical-grade filtration is required. Air conditioning systems are designed for whole-room comfort first, with air purification as an added benefit.

Some advanced systems can continue purifying air even when cooling or heating is not active, depending on the technology and model. For example, certain systems can operate in fan or dedicated purification modes, allowing continuous air treatment.

That said, performance is typically strongest when the system is actively circulating air. The more air moving through or around the unit, the more effective the purification process will be.