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Forever Guarantee
At Alen, we’re all about helping people Live Better. We do that by creating high quality air purifiers to help you find relief from allergies, asthma, pet concerns, secondhand smoke, troublesome odor or other respiratory issues. Our commitment to you doesn’t stop there. When you buy an Alen HEPA Air Purifier, we promise to keep you breathing pure air forever. This is a promise we stand by.


Free Groud Shipping
Alen offers FREE  ground shipping to destinations within China for all products . Alen Air Purifiers and Filters arrive to most destinations within 3 to 4 business days when ordered by 2:00pm.

60 Days. Love It, Or Return It
Every product purchased through Alen comes with our 60 Days Love It, or Return It promise so you can see for yourself the impact of pure air on improving your health and the air quality in your home.
If for any reason you are not fully satisfied with your purchase within 60 days of receipt of shipment, we’ll refund your money — no questions asked. All you pay is return shipping.


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.

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!







Activate your Lifetime Warranty in two simple steps:


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 alen@alencorp.cn 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..

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

1 Year Warranty 5 Year Warranty Lifetime Warranty

Comes standard with your purifier

Requires product registration

Requires product registration
& filter subscription

  • · Basic coverage  
  • · Expires 12-months from purchase date    
  • · Get alerts on updates and recalls             
  • · Enjoy faster customer service   
  • · Get alerts on updates and recalls  
  • · Enjoy faster customer service  
  • · Save 5% on replacement filters  
  • · Count on worry-free lifetime coverage and filter supply  

What Alen's warranty covers.

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 90              days of purchase. If the purifier was purchased before June 2, 2020, product registration and enrollment in a filter subscription are required            90 days 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.

Obtaining warranty service.

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%.

Warranty Policy Updates

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

How to get started.

1. Complete Product Registration

                a. Stay informed about updates or recalls and enjoy faster customer service 

                b. Extend your factory warranty from one year to five years when you register within 90 days of purchase

2. Enroll in Filter Subscription

                a. Unlock your lifetime warranty

                b. Never run out of replacement filters

                c. Save 5% over retail (+ free shipping)

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.