Refund refused by Residence of Modern

I want to acknowledge that Residence of Modern has attempted to resolve this issue. However, the solution they're offering (a $134.11 store credit) isn't adequate considering I paid $134.11 for a smart thermostat that never worked properly.

Dear valued customer, Thank you for your complaint regarding the mattress you purchased on May 12, 2025. At Residence of Modern, 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 $435.90 2. A replacement mattress with an extended warranty 3. A store credit of $435.90 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-1D939AF9. We value your business and hope to restore your confidence in our company. Best regards, Sarah Moore Customer Experience Manager Residence of Modern