FAQs UVAW and UVATO series

General Questions

UVAW is an air sterilizing purifier. It disinfects the air indoors by killing and removing airborne pathogens and eliminating all pollutants.

The purpose of UVAW is to:

  • Disinfect the air from viruses, bacteria, fungi, and other pathogens.
  • Eliminate indoor allergens like dander, dust mites, molds, house dust, etc.
  • Remove the odor and freshen the indoor air.
  • Continuously sterilize the indoor air.

In addition to utilizing six layers of air filtration, UVAW disperses OH radicals and negative ions into the air continuously to achieve complete sterilization.

UVAW uses the following SIX layers of filteration technologies:

  • PRE-COTTON FILTER: Performs the initial air cleansing by removing the largest particles in the air, such as hair and foreign debris.
  • HEPA FILTER: Removes 99.97% of the germs, dust, pollen up to 0.3 microns size.
  • ACTIVATED CARBON FILTER: Absorbs the pollutants, odor, smoke, toxic gases, and other harmful chemicals called Volatile Organic Compounds (VOCs) that are common in any household.
  • UVC STERILIZATION: With its germicidal efficacy, UVC light emanated from UVAW kills the viruses, bacteria, and fungi in the air.
  • PHOTOCATALYTIC OXIDATION: This is a powerful sterilization technique achieved by a 150% increase in OH radical generation on TiO2 membrane activated by UVA-365nm light.
  • CRISP AIR: UVAW releases negative ions into the air to eliminate dust and other contaminants, generating revitalized fresh air.

Environmental Protection Agency (EPA) estimates that the indoor air quality is generally 2-5 times worse than outdoor air quality, and occasionally up to 100 times worse. As people spend 90% of their time indoors, there are significant harmful effects of poor indoor air quality than outdoors.

Air Quality Index is a number that represents the quality of the indoor air. The higher the AQI value, the greater the level of air pollution and increased harmful effects on health. The UVAW is equipped with a built-in high air quality sensor that indicates the air quality in the room. The sensor takes 2 minutes to warm up after the machine starts, during which the air quality indicator is not bright. After 2 minutes of warm-up, the air quality indicator automatically detects the air quality and turns ON the appropriate indicator on the unit.

The poor indoor air quality causes significant health issues such as:

  • Irritation of eyes, nose, and throat
  • Headaches, dizziness, and fatigue
  • Asthma exacerbations
  • Decreased lung function
  • Non-fatal heart attacks
  • Increased risk of cancers

The air quality can be improved by using proper sterilizing air purifiers such as UVAW.

Technical and Operational Questions

Each UVAW can cover up to 22m2 (230 ft2).

UVAW uses two powerful fans that run quietly. The noise index is 35dB at a low fan setting and 53dB at a high fan setting.

UVAW can be installed securely on a wall or placed on a steady surface. Make sure to place the unit at least 12 inches away from other objects to ensure proper airflow.

Yes. Indoor pet dander, dust mites, and molds are the common causes of allergies and asthma exacerbations. By using UVAW, you can get rid of all the indoor risk factors to allergies and asthma-related issues. UVAW also kills bacteria, viruses, and fungi that pose a significant threat to your health.

Depending on the room size and indoor air quality, UVAW can take anywhere from 10 minutes to 1 hour to completely disinfect the space. For example, UVAW can take up to 12 minutes to completely disinfect a 12x12x8ft room.

Other purifiers purify the air by removing air pollutants. In addition to removing air pollutants, UVAW also disinfects the air by killing viruses and bacteria. UVAW also releases potent OH radicals into the air that eradicate all the pathogens and other organic compounds.

Without using air filters or purifiers, having good indoor air quality is difficult in most places. Here are some warning signs of poor indoor air quality:

  • Increased coughing and sneezing from asthma and allergies.
  • Frequent cold and flu-like symptoms
  • Odor and smoke in the room
  • Increase in chemical concentrations like CO, CO­2, formaldehyde and other Volatile Organic Compounds (VOC)
  • Increased coughing and sneezing from asthma and allergies.
  • Frequent cold and flu symptoms
  • Odor and smoke in the room
  • CO, CO­2, formaldehyde and other VOC concentrations

Cubic Feet per Minute. It is the measurement of airflow volume, determined by how many cubic feet of air passes through the air purifier in a minute. The larger the CFM, the more air it pushes into the room.

The UVAW has three fan settings, Sleep, Low and Fast

Sleep – 20m3

Low – 40m3

Fast – 62m3

The numbers show how much air the UVAW will push out.

We recommend checking and change the filter periodically, depending on the application area. In general, the air filter replacement warning comes at 1500 hours of unit operation.

The replacement filters can be purchased from EP Lighting inc.

Filters and lamps are the only serviceable parts in the UVAW unit. PureEco provides two replacement lamps for customer convenience.

1 year. The EP provides an additional set of UVA and UVC lamp for the customer convenience.

The filter beeps when it is time to replace the filters. The UVAW disinfecting efficiency significantly reduces when the filter is not replaced. The air output from the unit will also decrease significantly.

Yes, UVAW uses the high efficiency particulate air (HEPA) filter.

Yes, UVAW uses “activated carbon filter” that absorbs the pollutants, odor, smoke, toxic gases and other VOCs

It consumes 20w electricity at the highest fan setting. Assuming an 8-hour operating time, it consumes 160w a day. With 13.19 cents a kwh, the average cost to run a UVAW in the USA per year is: 365*8*20*0.13/1000 = $7.59

The display panel indicates the unit running. There is also a mild noise of the fans in the unit.

It is recommended to run the unit when people are present indoors. To increase the longevity of the unit, it is recommended to turn off the unit when leaving the room.

The display buttons are indicated as follows:

  • The On/Off button turns on and off the UVAW unit.
  • The indoor air quality index is indicated by “good, moderate and poor” indicator lights. The user can not control these indicators, and they are automatically switch with the quality of air.
  • The “Function” button controls the UVC Lamp.
  • The “Negative ion” indicator is always ON/OFF with the UVAW.
  • The “Speed” button controls the fan speeds. Sleep, Low and Fast are the three different fan speeds. Sleep: 20m3; Low – 40m3; Fast – 62m3 per hour
  • The “Timer” buttons let the user set 1 hour and 3 hour run timers.
  • The “Remote IR receiver” button detects the signals from the remote, and it should not be blocked.

The default setting is the “automatic speed control” mode after the machine is turned on. In this mode, the wind speed is automatically adjusted according to the air quality level. The “manual mode” kicks in when the user tries to adjust the fan speed on the control panel or remote. In this mode, the wind speed is not automatically adjusted based on the air quality. If it is necessary to restore the automatic speed regulation, you need to restart the machine.

Yes, the remote have options to turn on/off the unit, timer and speed control, and UV lamp functionality. The remote takes 2 AAA batteries.

The automatic speed control automatically increases the speed of the fan/sterilization when poor air quality is detected. However, users have an option to manually change the fan speed on the remote and on the control panel.

EPL recommends the unit to run at automatic speed setting.

It is recommended to turn on the UVC lamp when the room is exposed to multiple people or whenever you want the air and room sterilized.

“Function” button on the control panel or the “UV lamp” button on the remote will control the UVC lamp.

UVA lamp is automatically turned on with the UVC lamp. It is recommended that both the UVC and UVA lamps are turned on at the same time to kill viruses and bacteria.

Yes, while the device is on, the negative ion module continuously emits 20 minutes and then stops for 5 minutes to repeat this action.

Yes, please make sure to follow all safety and operating instructions when moving from room to room.

Yes, the TiO2 layer, UVC and UVA instantly kills the pathogens in the air, assuming the pathogens spend enough time exposing to the filter.  

Yes. With several potent technologies, including UVA, UVC, TiO2, OH radicals, UVAW can kill the SARS-CoV-2 virus.

The unit is designed to disinfect the air as it passes through the unit and it does not disinfect surfaces in a room.