Warranty claim denied by Advanced Structures & Sons

I'm adding this comment to provide additional information. The smart thermostat from Advanced Structures & Sons not only failed to work as advertised but also damaged my other equipment when I tried to use it as directed in the manual.

Dear valued customer, Thank you for your complaint regarding the vacuum cleaner you purchased on May 4, 2025. At Advanced Structures & Sons, customer satisfaction is our top priority, and we take all feedback seriously. We have thoroughly investigated your case and have identified the source of the issue you experienced. We would like to offer you the following resolution options: 1. A full refund of $224.68 2. A replacement vacuum cleaner with an extended warranty 3. A store credit of $224.68 plus 20% for your inconvenience Please let us know which option would best satisfy your concerns by responding to this message or calling our dedicated customer resolution line at 1-800-555-1234, reference number REF-878CBC9E. We value your business and hope to restore your confidence in our company. Best regards, Susan Wilson Customer Service Manager Advanced Structures & Sons