At Alen, we believe wellness begins with pure air. When you buy a top-rated Alen air purifier, we proudly support it with the industry’s first and only LIFETIME WARRANTY. It’s our promise to keep you breathing pure air for life.

Our Forever Guarantee
provides lifetime
peace of mind:

Hassle-free service

Unmatched by any other air purifier company in the world

Guaranteed. Forever.

About Alen's Warranty

If anything goes wrong with your Alen air purifier, our in-house experts will help you solve the problem.
If they can’t, we’ll happily ship you a free replacement—fast!

*All Alen warranties are transferrable. Contact our Customer Service team for details at or call 400-091-6686.

How to get started.

Activate your Lifetime Warranty in two simple steps:

  1. Complete Product Registration
    1. Stay informed about updates or recalls and enjoy faster customer service 
    2. Extend your factory warranty from one year to five years when you register within 90 days of purchase
  2. Enroll in Filter Subscription
    1. Unlock your lifetime warranty
    2. Never run out of replacement filters
    3. Save 5% over retail (+ free shipping)

What Alen's warranty covers.

FACTORY WARRANTY (1-Year & 5-Year) 


With valid proof of purchase and an intact ratings label, we warrant your Alen Air Purifier to be free from defects in materials or workmanship for one year from the date of purchase. Extend your one-year warranty to five years with product registration. 


If conditions of this warranty are met, Alen will, at its option, either furnish a replacement part or replace your air purifier provided the product is determined by Alen to be defective as a result of faulty material or workmanship while in normal use. Replacements at Alen’s option may be Certified Refurbished units in like-new condition. Alen’s sole obligation under the factory warranty is to replace defective parts or replace your air purifier free of charge. 



Provided that the unit is registered and enrolled in an active filter subscription with Alen, we warranty your purifier to be free from defects in materials or workmanship for the life of the unit. To activate your lifetime warranty, please register your Alen purifier and enroll in a filter subscription here.

Obtaining warranty service.

To qualify for coverage, the following Warranty Conditions must be met:


  •        · ORIGINAL LABEL: Your purifier’s original back-panel label must be intact.
  •        · REGISTRATION: As of June 2, 2020, Five year warranty and Lifetime warranty coverage requires product registration within 90 days of                   purchase. If the purifier was purchased before June 2, 2020, registration is required 90 days after your first warranty claim.
  •        · FILTER SUBSCRIPTION: As of June 2, 2020, Lifetime warranty requires product registration and enrollment in a filter subscription within 12             months of purchase. If the purifier was purchased before June 2, 2020, product registration and enrollment in a filter subscription are                     required 12 months after your first warranty claim.
  •        · NORMAL USE: Your Alen Air Purifier must be operated in accordance with the instructions provided in the Alen User Manual. Your purifier                 should show no evidence of unconventional use; e.g. tampering, mishandling, neglect, accidental damage, or modification. Unit must have its
  •          original ratings label intact and must have at all times been connected to a proper power supply (see rating/voltage label on unit). 

In the event that your Alen air purifier is damaged by unconventional use, we will replace it for half the current retail price plus applicable sales tax and shipping.


Register your purifier, activate your warranty, and find complete PDF manuals  here.

That’s all there is to it! We’re in this for life - your life.


To start a warranty claim, contact our customer service team at or call 400-091-6686.


If we replace your purifier under warranty, you are required to return the unit using free shipping provided by Alen to help us maintain world-class quality control..

Warranty Policy Updates

As of June 2, 2020, Alen’s 5-year warranty requires product registration and our Forever Guarantee requires an active filter subscription.


Why are these now required?


Product registration ensures that we can quickly service your purifier in the event of a malfunction or recall. Filter subscription helps us honor our Pure Air for Life promise because on-time filter changes are the #1 way to keep Alen Air Purifiers at peak performance and efficiency—subscription also saves you 5%.