Fujitsu 30,000 BTU 18.7 SEER Mid-Tier Extra Low Temp Wall Mounted Single Zone System - R410AFujitsu 30,000 BTU 18. 7 SEER Mid Tier Extra Low Temp Wall Mounted Single Zone System is an affordable heat pump option for sub zero climates. This model was specially engineered for commercial spaces that require cooling year round and large heat loads. This system comes with an out of the box 7 year compressor 5 years part warranty or a 12 year warranty if it's installed by a Fujitsu Elite contractor. General Information Unit Type: Wall Mounted