Air Conditioner Serial Number Search
Air Conditioner Serial Number Search
York Air Conditioner Serial Number Search
How to Determine the Size of Your Central Air Conditioner. The good news is that most HVAC manufacturers make it easy to determine the nominal capacity of your air conditioner. It's in the model number. Go outside and find the outdoor unit, that metal noisemaker hidden away on the side or the back of the house. And serial number (S/N. The photos and diagrams will help you locate the model and serial numbers of your equipment, if they are not found on your original warranty or sales invoice. Split Systems Two Model and Serial Tags identify Split System Equipment. Description: Eight (8) character serial number begins with one (1) letter followed by one (1) numerical digit and then another letter digit and ends with five (5) numerical digits. Month of manufacture is 1st digit of the serial number. (See chart below). Year of manufacture 2nd digit of the serial number.