What is the model number for a Comfortmaker air conditioner with serial number h891638747?

To find the model number for a Comfortmaker air conditioner, you typically need to refer to the unit itself, as the model number is not included in the serial number. The model number is usually located on the manufacturer's label, which is often found on the outdoor unit or inside the access panel of the indoor unit. You may also check the installation manual or contact Comfortmaker customer service for assistance.