All returned goods must be pre-authorized by obtaining a Returned Merchandise Authorization (RMA) number. 

Your RMA number must be written clearly on the outside of the box. No service or credit will be issued without an RMA number.

Product must be returned to the factory within 30 days of Date Requested specified on the RMA form. It is not necessary to return manuals or accessories.

All goods must be shipped to Critical Environment Technologies freight prepaid - all incurred shipping charges, duties, and taxes are your responsibility.

Payment for service is due upon approval of the work order. Acceptable payment options are VISA, MC, AMEX* or on approved customer account.

*If you would like to pay by AMEX a 5% transaction fee will be applied to the amount

important information about our RMA process 

To start the RMA process, click on the appropriate link below and download the form. Then fill in the form and save your changes. Email it to  (or to the email address indicated on the form).

RMA Form for IAQ/Portable devices                             RMA Form for Fixed devices

If you have any questions, please contact us.