A multi-position air handler can be installed in several orientations: upflow, downflow, or horizontal. The MRCOOL Signature Series 2 Ton Air Handler is a prime example of this versatility. This allows one unit to work in attics, basements, or closets. You can browse these flexible options in our Accessories collection. It is the heart of a ducted split system, moving air throughout the entire home. Its adaptable design makes it a favorite for contractors dealing with various house layouts.