Frequently Asked Questions
Find answers to common questions about our air purification solutions
How often should I replace my Alen® HEPA filter?
For optimal performance, we recommend replacing your filter every 9 to 12 months, depending on usage and air quality conditions.
Do Alen® air purifiers produce ozone?
No. Alen® air purifiers are CARB certified to be ozone-safe, utilizing mechanical HEPA filtration to clean your air safely.
What does the colored ring on my unit signify?
The LED ring is our AirSensory technology. Blue indicates excellent air quality, orange indicates fair, and red indicates poor air quality.
Are the purifiers energy efficient?
Yes, most Alen® models are Energy Star certified, designed to run 24/7 while consuming minimal electricity.
Which filter should I choose for pet odors?
We recommend our Fresh filter, which includes a robust layer of activated carbon specifically designed to absorb heavy odors and VOCs.
Can I leave my air purifier on all night?
Absolutely. Our units feature 'Lights Out' night modes and whisper-quiet fans specifically engineered for bedroom use.