Fujitsu 24,000 BTU 22.5 SEER Mid-Tier Wall Mounted Single Zone System - R410AFujitsu 24,000 BTU 22. 5 SEER Mid Tier Wall Mounted Single Zone Heat Pump System is the perfect combination of efficiency and performance. This model uses High Corrosion Resistant Copper which helps prevent leaks in the units' coils. This system comes with an out of the box 7 year compressor 5 years part warranty, 10 year warranty if its installed by a licensed HVAC tech and registered within 60 days, or a 12 year warranty if it's installed by a