Philips AC3257/20, removes 99.97 percent airborne pollutants with numerical PM2.5 display, ideal for living room

Say goodbye to indoor air pollution

VitaShield technology removes 99.97% of particles as small as 0.003um and 99.97% common airborne allergens effectively over long term.

Say goodbye to indoor air pollution

with Vitashield IPS and Aerasense technology

Room size: up to 31-47 m2

Captures 0.003um particles

Special Allergen mode

CADR: 397 m3/h

Advanced NanoProtect Filter delivers all-around protection

The extra thick NanoProtect HEPA and AC filter is designed for superior purification efficiency and lifetime against airborne particles.

* This Philips AC3257 20 Air Purifier image is for illustration purpose only. Actual image may vary.

Superior purification can be applied to max. 1108 sq. ft room

Vitashield with aerodynamics design and extra thick NanoProtect HEPA Filter boost clean air delivery to 397 m3/h, that can be applied to up to 1108 sq. ft room. It can removes 99.97% of particles as small as 0.003um (more than 800 times smaller than PM2.5), removes 99.97% common airborne allergens, 99.9% bacteria and some viruses such as H1N1. It also provides you the assured protection from harmful gases like odor and TVOC.

* This Philips AC3257 20 Air Purifier image is for illustration purpose only. Actual image may vary.

Real time PM2.5 feedback and 4 color AQI light

The numerical PM2.5 indicator together with 4-step color ring feedback provides real time indoor air quality.

* This Philips AC3257 20 Air Purifier image is for illustration purpose only. Actual image may vary.

Healthy air protect alert for filter life time with accuracy

With advanced AeraSense technology, the filter lifetime is accurately calculated based on indoor pollution level, air flow and operation time. Healthy air protect alert lets you know promptly when it is time to replace the filter. If the filter is not replaced promptly, the appliance stops functioning to avoid running with no effect since filter not effective. So you are assured of healthy air always.

* This Philips AC3257 20 Air Purifier image is for illustration purpose only. Actual image may vary.

Certified or tested by ECARF and Airmid

Certified or tested by ECARF and Airmid

* This Philips AC3257 20 Air Purifier image is for illustration purpose only. Actual image may vary.

Ultra silent under sleep mode with only 33db

Product turns down fan speed and noise level in silent mode for your comfortable night of sleep, lights on products can be turned off as you like.

* This Philips AC3257 20 Air Purifier image is for illustration purpose only. Actual image may vary.

Automatically monitors, reacts and purifies the air

Benchmarked against a professional-grade sensor, Philips AeraSense technology is highly effective in sensing even the slightest change in indoor air conditions. It continuously monitors the air and automatically adjusts the fan speed when it detects a change in particles.

* This Philips AC3257 20 Air Purifier image is for illustration purpose only. Actual image may vary.

Special allergy mode is more effective for allergen removal

The specially designed Allergy Mode is very effective in removing common airborne allergens. When the purifier detects even the slightest change in air quality, it will boost its cleaning performance to remove allergens in the air.

Long lifetime performance

Long lifetime performance

Sensor touch UI with big numerical display

Sensor touch UI with big numerical display

Large handle for easy carry around

Large handle for easy carry around

What does the PM2.5 indicator in my Philips Air Purifier mean?

PM2.5 is a scale for measuring real time air quality. Its values vary from 0 to 500.

The PM2.5 indication is connected to your Philips Purifier’s air quality ring light to inform you in real time about the quality of the ambient air.

The different colors indicate the following:

1. Blue: good.
2. Blue-violet: fair
3. Red-Purple: unhealthy
4. Red: very unhealthy

What filters should I use with my Philips Air Purifier?

When you wonder which filters to use with your Philips Air Purifier, please find here if we can answer your questions

Philips Air Purifier filters

Your Philips Air Purifier comes with multiple filters, and warns you when a filter must be replaced: when one of the filters is almost full and has to be cleaned or replaced, the appropriate filter replacement light starts to flash to prompt you to replace that filter. That is how you know which filter to replace.

Please find here what filter applies to your Philips Air Purifier

Depending on the Air Purifier you have, you might see different types of filter replacement alert lights:

A) Purifiers AC400x, AC401x, AC402x, AC407x, AC408x, ACP073x, ACP077x, ACP007x:

1. Filter replacement light 1
2. Filter replacement light 2
3. Filter replacement light 3/4
4. Filter replacement light 5

See further explanations below.

B) All other purifiers:

Purifiers that do not belong to the list mentioned above, show a filter replacement alert light or an error code (models with a display panel).

See further explanations below.

A) Purifiers AC400x, AC401x, AC402x, AC407x, AC408x, ACP073x, ACP077x, ACP007x:

When filter replacement light 1 flashes (in red)

The pre-filter needs to be cleaned. You can wash it under running tap and dry it completely it before installing it back. Alternatively, you can clean it using a vacuum cleaner.

When the filter replacement light 2 is on or flashing (in red)

When the filter replacement light 2 flashes or is on continuously, you need to replace the multi-care filter (for Air purifier AC4004 only). This filter cannot be washed. After replacement, make sure you reset your appliance

The filter replacement light 3/4 is on (in red)

The filter 3 (activated carbon filter) and filter 4 (HEPA filter) need to be replaced. After replacing them, make sure you reset your purifier. Please note that these filters cannot be washed.

The filter replacement light 5 flashes (in red)

This light indicates that the humidification filter should be replaced.

B) All other purifiers

In this case (and for models without a display screen), your Philips Air Purifier has a filter replacement light. This light will stay on and be red.

If your purifier has a display screen, then it will show one of the following error codes:

Codes A1 to A9:

Replace NanoProtect S3 HEPA filter.

Codes C1 to C9:

Replace the NanoProtect S3 AC filter.

Code: F0

Clean the Pre-filter.

What do the codes on my Philips Air Purifier mean?

Your Philips Air Purifier gives you reassurance by displaying real-time indoor air quality codes. Discover what the codes mean.

Meanings of codes in Philips Air Purifiers

Depending on the Air Purifier model you have, you might find one or more of the following indicators or codes:

1. Code: A
Auto mode
2. Code: C
Gas mode (AC3254 and AC3256 only)
3. Code: L
Child lock on
4. Code: UL
Child lock off
5. Code: F0
Clean the pre-filter
6. Code: A0 to A9
Replace NanoProtect S3 HEPA filter
7. Code C0 to C9:
Replace NanoProtect S3 AC filter
8. Code SL
Sleep Mode
9. Code 1h:
Timer mode
10. Code t:
Turbo Mode.
11. Error Code: Er
The hall sensor is not working properly. Remove and then reattach the front panel. If the error code “Er” still persists, we recommend you to contact us.
12. Error code: E1 to E4
The appliance has malfunctions. In this case, we recommend you to contact us.