Wynd Sierra Air Purifier

Wynd Sierra is very quiet with double H13 HEPA filters, suitable for area up to 1,000 square feet.  Wynd Sierra can effectively filter out at least 99.99% of airborne pollutants, including bacteria, COVID-19 virus, formaldehyde.  

Equipped with an air quality sensing, self-cleaning mode, and smart app connectivity, the Wynd Sierra can be programmed to work according to the user’s needs, making it ideal for large open spaces including offices, gyms, schools and public spaces.

*Wynd Sierra Air Purifier meets the FEHD and Education Bureau requirement of air purifiers for catering and school use and meet the 6 Air Change Per Hour requirement. 

Eliminate 99.97% COVID-19

Confirmed by US based MRI Global lab testing results, our filters can eliminate 99.97% SARS-Cov-2 Coronavirus.  

Wynd Sierra uses multiple filtration layers. The first layer is a washable pre-filter that removes larger particles such as dust and pollen. The second layer is composed of honeycomb activated carbon, which can remove harmful gases such as VOC, and formaldehyde. The third layer is a medical-grade H13 HEPA filter, which can efficiently filter at least 99.99% of particles of different sizes, including bacteria and viruses.

Special Price: HK $3,980

High Fan Speed but Quiet

Using a Japanese brushless DC motor, the Wynd Sierra has a Clean Air Delivery Rate (CADR) – particles of 720 m3/h, allow you to clean 800 square feet of space within 15 minutes.  You can enjoy quiet surrounding even in high fan speed mode, with a noise level at 50.6db, at least 30% more quiet compare to air purifier with similar fan speed.  

Furthermore, the Wynd Sierra is highly effective is removing gas pollutants, including formaldehyde and VOC.  The Clean Air Delivery Rate (CADR) – formaldehyde is 328 m3/h.

High Fan Speed
but Quiet

Using a Japanese brushless DC motor, the Wynd Sierra has a Clean Air Delivery Rate (CADR) – particles of 720 m3/h, allow you to clean 800 square feet of space within 15 minutes.  You can enjoy quiet surrounding even in high fan speed mode, with a noise level at 50.6db, at least 30% more quiet compare to air purifier with similar fan speed.  
Furthermore, the Wynd Sierra is highly effective is removing gas pollutants, including formaldehyde and VOC.  The Clean Air Delivery Rate (CADR) – formaldehyde is 328 m3/h.

Easy and Safe

Wynd Sierra LED display panel provides various information and convenient controls, including adjustment of fan speed mode, timer, and security lock.  Wynd Sierra also comes with 4 castors, easier for you to move the air purifier to different places.

Wynd Sierra has protective functions, including child safety lock, automatically power off when the cover is opened, and automatically power off when the Wynd Sierra is tilted. These can help to prevent accidents caused by children pressing and pushing the air purifier, allowing to use in the school classroom with confidence.

Easy and Safe

Wynd Sierra LED display panel provides various information and convenient controls, including adjustment of fan speed mode, timer, and security lock.  Wynd Sierra also comes with 4 castors, easier for you to move the air purifier to different places.
Wynd Sierra has protective functions, including child safety lock, automatically power off when the cover is opened, and automatically power off when the Wynd Sierra is tilted. These can help to prevent accidents caused by children pressing and pushing the air purifier, allowing to use in the school classroom with confidence.

Key Features

High Fan Speed, Low Noise

Clean Air Delivery Rate (CADR) of 720m3/h with noise level at 50.6db

COVID-19

Confirmed by MRI Global lab test result, Wynd Sierra can eliminate 99.97% of COVID-19

Air Monitoring

Air Quality Sensor to detect particulate matters of size down to PM1.0

Smart Control

Remote control and monitor Wynd Sierra when connected to App. Can set your own operating schedule.

Specification

830

Special Price: HK $3,980

RECOMMENDED AREA

800 - 1000 square feet

CLEAN AIR DELIVERY RATE - PARTICLES

720 cubic meters per hour

CLEAN AIR DELIVERY RATE - FORMALDEHYDE

328 cubic meters per hour

FILTER USAGE

12 months

FAN MODE

Manual, Auto, Maximum, Night

WEIGHT (KG)

14 kg

SIZE (CM)

H67 x W40 x D40

NOISE LEVEL

28.5 - 50.6 db

POWER CONSUMPTION

Max 85W

CONNECTIVITY

WIFI, App support iOS and Android

Our Clients

Frequently Asked Questions

We recommended Wynd Sierra for 800 to 1,000 square feet area, depending on the air change preferences you might have.

The Wynd Sierra and its H13 HEPA filters with activated carbon are designed to remove hazardous pollutants such as viruses, bacteria, allergens, dust, pet dander, formaldehyde, smoke, chemicals, and VOCs.

Confirmed by US based MRI Global lab testing results, our filters can eliminate 99.97% SARS-Cov-2 coronavirus, COVID-19, within 5 minutes. 

The filter typically lasts for 12 months depending on usage. Through Smart app, we can track the filter life for you.  The price for Wynd Sierra filter set is $980.

Noise levels vary by fan speed and settings. Night mode setting is as quiet as a soft whisper (~28.5 decibels). The maximum fan speed setting stays below 50.6 dB, which is at least 30% quiet compare to similar air purifiers with same fan speed.

To change the fan speed simply press the fan icon on the LED panel, or go into the Smart app, and adjust the fan speed your exact preference.  You can also select different fan modes, including auto, night, or maximum fan speed.

For public area, during the COVID-19, we recommend to turn on medium fan speed all the time.  

Yes, the Wynd Sierra has a built in air quality sensor.  Based on the air quality it measure, it will adjust the fan speed, so you can save energy.

We provide 1 year warranty on the Wynd Sierra, including parts and labours.

Free Indoor Air Quality Test

We offer different types of air purification products and solutions, including Wynd Halo air quality monitor and Wynd air purifier rental services.

We also provide free indoor air quality assessment and 7-day air quality monitoring, and assist public clients, including school, restaurant and gym, to comply with their air change compliance under government regulations.

Please feel in the form below or email us directly at info@modus.com.hk if you are interested.

About Wynd

Wynd Technologies, Inc. is based in Silicon Valley, California and was founded by MIT graduate Ray Wu.   Their first product, the Wynd Plus portable air purifier was a big success, and awarded by Time Magazine as “One of the Best Invention of the Year”.  

Today, companies that are using Wynd’s products and technology include Marriott Hotels, SpaceX, Apple, MIT.  Modus is the exclusive distributor for Wynd Brand and its product in Hong Kong.

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