https://www.idiytools.com/support/how-long-is-your-product-warranty-period-and-what-is-it-17.html
How long is your product warranty period and what is it?
your product warrantyhow longperiod
https://www.goodmanmfg.com/product-registration
Warranty Registration | Register Your Goodman HVAC Product
Need to register your Goodman HVAC product? Follow the instructions here and enter the required details, installation date, model and serial number.
warranty registrationregister yourgoodman hvacproduct