Unsatisfactory resolution from Architecture Team

I'm updating my complaint because Architecture Team finally contacted me today. They've offered to replace the smart thermostat, but I've requested a refund instead since I've already purchased a replacement elsewhere.

Dear valued customer, Thank you for your complaint regarding the air purifier you purchased on May 21, 2025. At Architecture Team, 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 $163.20 2. A replacement air purifier with an extended warranty 3. A store credit of $163.20 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-1D18C59D. We value your business and hope to restore your confidence in our company. Best regards, Michael Allen Product Support Manager Architecture Team