Sterra Moon cleans 375 sqft in 7 minutes. If you have a bigger room, it will just take a longer time to clean the air. For multiple rooms, we recommend getting 1 Sterra Moon for each room to effectively keep the air clean especially when you closes the door.

We recommend running the air purifier whenever you are around the space. With real-time air quality tracking, it detects how dirty your air is and adjust it's power accordingly.

In normal circumstances, Sterra Moon air filter can last as long as 12 months. Changing the air filter is easy and there will a red flashing indicator when it's time to do so.

Maintaining the air purifier is easy. There's nothing you need to do beside changing the air filter every 12 months or when it indicates it's time to do so.

Yes, the air purifier has an enclosed fan system and is designed to be safe for children and pets.

Yes, each air purifier is designed to last for many years and comes with a 1 year warranty. You can purchase 2 years additional warranty with SterraCare.

There have been several studies that suggest air purifiers can be helpful for managing sinus symptoms. For example, a study conducted by the American Academy of Allergy, Asthma & Immunology found that using air purifiers can reduce symptoms in individuals with allergic rhinitis, which includes sinus symptoms.

Another study published in the Journal of Asthma and Allergy showed that air purifiers can effectively reduce indoor air pollution and improve respiratory symptoms, including those associated with sinus issues. In conclusion, there are scientific evidence to support the use of air purifiers like the Sterra Moon Air Purifier for managing sinus symptoms.

One of the myths about air purifiers is that an air-conditioned room doesn’t need an air purifier. In reality, air conditioning usually worsens indoor air quality rather than improve it. Air conditioning works by circulating already present air in the room. This is stale and polluted indoor air. This means for air conditioning to work, it has to trap indoor contaminants. Air quality decreases over time with air conditioning.

UV technology uses UV light to fully eradicates airborne pathogens and microorganisms like mold, bacteria, viruses and other tiny harmful microbes in the air. UV is also used for germicidal use in hospitals to improve indoor air quality for residential HVAC systems.

Shipping within USA takes only 1 week.

We offer 30 day 100% money back guarantee if you are not satisfied with your Sterra Moon Air Purifier. No questions asked.