[Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [AC Manufacturer or Retailer] [Address] [City, State, ZIP Code] Subject: Request for Warranty Service for AC Unit Dear [Manufacturer or Retailer's name], I am writing to you regarding the warranty of my recently purchased [AC Unit Model]. I am experiencing issues with the unit and would like to request warranty service as per the terms and conditions outlined in the warranty agreement. I purchased the [AC Unit Model] from [Store Name/Website] on [Date of Purchase]. The AC unit was installed by a licensed HVAC professional on [Installation Date]. It is disheartening to inform you that the unit is not performing according to the expected standards as outlined in the product documentation and user manual. The specific issue I am facing is [describe the problem you are experiencing with the AC unit in detail]. This issue significantly hampers the efficiency of the AC unit and prevents it from cooling our living space effectively. We have tried troubleshooting steps mentioned in the user manual, but unfortunately, they haven't resolved the problem. In accordance with the warranty terms and conditions, I kindly request that you arrange for a warranty service appointment at your earliest convenience. As per the warranty agreement, please note that I am not responsible for any costs associated with this service. Enclosed with this letter, please find a copy of the original sales receipt as proof of purchase, and a photocopy of the warranty card that came with the AC unit. I believe that all the necessary documents are included to facilitate the warranty claim process. As a loyal customer, I have chosen your brand because of its reputation for quality and reliable products. I trust that you will honor the warranty agreement and rectify the issue promptly. Please contact me at your earliest convenience to schedule the warranty service appointment. You can reach me by phone at [Your Phone Number] or via email at [Your Email Address]. I will make myself available during convenient time slots to accommodate the technician's visit. I look forward to your prompt response and the resolution of this matter. Furthermore, I trust that your company will provide exceptional customer service and stand behind the warranty provided with the product. Furthermore, I have been satisfied with your products in the past and hope to continue being a satisfied customer. Thank you for your attention to this matter. Sincerely, [Your Name]