Armstrong Air
Warranty Registration

Thank you for purchasing an Armstrong Air home comfort product from Allied Air Enterprises and taking a few moments to register it online.

Your registration not only helps us keep you up to date on product information and offers, but it also extends your warranty on qualifying equipment. Review full terms & conditions.

Warranty registration is for new equipment installations only. Equipment must be registered within 60 days of installation, or if you purchased a new home the equipment must be registered within 60 days of closing for equipment that was installed (or your home purchase was) more than 60 days ago and not registered online for extended coverage, your warranty defaults to a 5-Year Limited Warranty on parts and 20-Year Limited Warranty on heat exchangers.


  • The serial number and model number for each piece of equipment you purchased.
  • An email address. We will use this to send you confirmation of your registration.
  • If this equipment is in a newly constructed home; The date you closed on the purchase of this home.
  • If this product was installed in an existing home; The date of installation.
  • The name and address of the dealer/contractor who installed your equipment.
  • If this product qualifies for an extended warranty with registration, we will also ask for the serial, model and brand of other components in your system.
Already own an Armstrong Air product? Register it today. »

Lennox Industries Inc., including Allied Air Enterprises LLC, has agreed to settle a class action lawsuit about its evaporator coils, purchased between October 29, 2007, and July 9, 2015. You can obtain information about the settlement at