The Pioneer Quantum Hyperformance 18000 BTU WYT-25 is a high performance ductless mini split system engineered to deliver efficient year round comfort. With a 23.5 SEER2 cooling efficiency and 12.5 EER2 rating this Energy Star certified system provides powerful cooling while keeping energy costs low. In heating mode it produces up to 18000 BTU with a 10.0 HSPF2 rating supported by advanced inverter technology that ensures steady indoor temperatures even in extreme climates with operation down to 22°F in heating and up to 131°F in cooling. The sleek wall mounted indoor unit is designed to blend seamlessly into larger bedrooms offices or living areas while providing whisper quiet operation starting at just 34 dB(A). The outdoor condenser is compact durable and built for reliable performance year after year. WiFi connectivity comes standard giving you full control through the Pioneer Airlink app or the included remote. Multiple modes such as cooling heating drying fan only ECO Sleep Turbo Memory Self Clean and IFEEL adjust performance for maximum comfort and convenience. Precharged with eco friendly R454b refrigerant this complete kit comes ready for installation with essential components included. Combining energy saving performance modern smart features and quiet dependable comfort the Quantum Hyperformance 18000 BTU series is the ideal solution for medium to large living spaces.