Warranty Lookup. * Homeowner last name must be entered and verified to display complete limited warranty coverage. * Homeowner last name must be entered and verified to display complete limited warranty coverage. Warranty Lookup Home Back Serial Number Goodman Mobile Warranty Lookup Model/Part : Want to access the warranty details on your Goodman HVAC system? Enter the product details and find the complete warranty information. International Products Find A Dealer Filter Search Tool Warranty Information Warranty Lookup Product Registration Find a Dealer Need to register your Goodman HVAC product? Follow the instructions here and enter the required details, installation date, model and serial number. The following is a list of states that require limited warranty coverage in effect on your Goodman HVAC system or a component of that system to be transferred if the property containing that unit is conveyed to a new owner: Though not required to get the protection of the initial Term Warranty, Registered Additional Term Warranty coverage (when provided by the terms of the warranty) is only available where the unit is properly registered online within 60 days of the installation date, except that failure by California, Florida, Georgia, and Quebec residents to. Providing outstanding product is just one way of continuing the Goodman brand's over seventy year promise to homeowners. We are here to help you get the most out of your product, offering the tools and resources to show you how.