HVAC equipment and HVAC brands have different coding systems for serial and model numbers, known as nomenclature. Use the HVAC nomencalture guides below to properly identify and understand your HVAC specs, find repair parts, and OEM equipment.

Air Conditioners

Wall Window Portable

Air Handlers


Condensers

Payne Split System Air Conditioners Payne Split System Heat Pumps

Packaged Units


PTACs & DFS