General FAQs
- What Should I do to Get the Most Out of My Alen Air Purifier?
- Choosing Your Air Purifier
- How Do I Create/Edit an Alen Account?
- Will Purifiers Help Me Sleep?
- How Do I Update My Address?
- How Do I Submit a Donation Request?
- What is HEPA?
- Are HEPA Filters MERV Rated?
- How Loud Are Alen Air Purifiers?
- How Much Area Does My Purifier Cover?
- What is CADR?
- What is Alen's Return Policy?
- What Speed Setting Should I Use On My Purifier?
- How do Alen Air Purifiers Work?
- Do Purifiers Help with Radon?
- How Often Should I Use My Purifier?
- What is an Ionizer?
- Do Purifiers Help with Viruses?
- Where Should I Place My Purifier?
- Why Does One of My Purifiers Read Differently Than the Other?
- Can I Use a Humidifier With the Air purifier?
- Can I Open My Windows While Using the Air Purifier?
- Discounts & Promotions
- Virus FAQs
- General FAQs About Air Purifiers and Filters